Water is a...? Mcqs

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Water is a...?

(A) Compound
(B) Mixture

(C) Solution
(D) Element

βœ… Correct Answer: Compound

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

_______ bacterial disease affects Eye...?

(A) Trachoma
(B) Rickets

(C) Osteoporosis
(D) Gum disease

βœ… Correct Answer: Trachoma

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__________ is the atmospheric layer wherein the weather occurs....?

(A) Troposphere
(B) Stratosphere

(C) Mesosphere
(D) Thermosphere

βœ… Correct Answer: Troposphere

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The primary function of the feathers in birds is to _________...?

(A) Provide insulation for preserving body heat
(B) Provide striking surface to the wings for flying

(C) Make the body surface waterproof
(D) impart coloration for species as well as sex recognition

βœ… Correct Answer: Provide striking surface to the wings for flying

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Dielectric constant of water is...?

(A) 60
(B) 70

(C) 80
(D) None of these

βœ… Correct Answer: 80

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Where do most of Asteroids lie...?

(A) In asteroid belt between the orbits of Mars and Jupiter
(B) In asteroid belt between the orbits of Mars and Venus

(C) In asteroid belt between the orbits of Jupiter and Venus
(D) Everywhere in the sky

βœ… Correct Answer: In asteroid belt between the orbits of Mars and Jupiter

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NASA scientists have recently detected water vapor on which Jupiter’s moon...?

(A) Callisto
(B) Europa

(C) lo
(D) None

βœ… Correct Answer: Europa

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The permanent hardness of water is due to presence ______...?

(A) MgSO4
(B) Mg(HCO3)β‚‚

(C) CA(HCO3)2
(D) All of these

βœ… Correct Answer: MgSO4

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What are considered the building blocks of matter...?

(A) Molecules
(B) Protons

(C) Elements
(D) Atoms

βœ… Correct Answer: Atoms

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Oil rises in a wick of oil lamp on account of a property of matter is called...?

(A) Angle of projection
(B) Determines

(C) Capillary action
(D) Refraction of light

βœ… Correct Answer: Capillary action

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The matter of our sun is in ________ state...?

(A) Liquid
(B) Gas

(C) Solid
(D) Plasma

βœ… Correct Answer: Plasma

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Plastic is made of materials including _____...?

(A) Recycled Plastic
(B) Rocks & Sand

(C) Coal, Oil, Natural Gas
(D) None of the these

βœ… Correct Answer: Coal, Oil, Natural Gas

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The cow’s milk contains how much amount of water in terms of percentage...?

(A) 60%
(B) 65%

(C) 72%
(D) 80%

βœ… Correct Answer: 80%

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The amount of space a material object occupies is called its...?

(A) Volume
(B) Matter

(C) Mass
(D) Force

βœ… Correct Answer: Volume

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Water vapour beyond the dew point result in_________...?

(A) Precipitation
(B) Hailstorm

(C) Condensation
(D) Formation of ice

βœ… Correct Answer: Condensation

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Percentage of water in an apple is__________...?

(A) 84%
(B) 90%

(C) 66%
(D) None of these

βœ… Correct Answer: 84%

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Which planet of our solar system is name after a female...?

(A) Uranus
(B) Saturn

(C) Venus
(D) Mercury

βœ… Correct Answer: Venus

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Sea water (Salt water) freezes at ...?

(A) Same temperature as fresh water.
(B) Slightly higher temperatures than fresh water.

(C) Slightly higher temperature than fresh water.
(D) Sea water does not freeze

βœ… Correct Answer: Slightly higher temperature than fresh water.

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Removal of extra liquid water is _____...?

(A) Exudation
(B) Guttation

(C) Respiration
(D) Transpiration

βœ… Correct Answer: Guttation

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Which of the following organisms releases molecular oxygen into water...?

(A) E.coli
(B) Phytoplankton

(C) Amoeba
(D) Salmonella

βœ… Correct Answer: Phytoplankton

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Which metal is extracted from sea water...?

(A) Potassium
(B) Magnesium

(C) Aluminum
(D) None of these

βœ… Correct Answer: Magnesium

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pH value of water is _________...?

(A) 5
(B) 5-6

(C) 8.7-10.5
(D) 6.5-8.5

βœ… Correct Answer: 6.5-8.5

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Almost identical eclipses occur after 18 years and 11 days. This cycle is known as__________...?

(A) Partial Eclipse cycle
(B) Total Eclipse Cycle

(C) Saros Cycle
(D) None of the above

βœ… Correct Answer: Saros Cycle

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Which method can be used to get drinking water from sea water...?

(A) Filtration
(B) Sublimation

(C) Crystallization
(D) Distillation

βœ… Correct Answer: Distillation

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Water present in watermelon...?

(A) 92%
(B) 93%

(C) 94%
(D) 95%

βœ… Correct Answer: 92%

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A telescope is an instrument that gathers _______ from distant sources....?

(A) Sound
(B) Light

(C) Heat
(D) Water

βœ… Correct Answer: Heat

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Ten identical steel balls, each with a mass of 27 g, are immersed in a measuring cylinder initially containing a certain volume of water. The water level rises by 50 cm³ after immersing the balls. What is the density of the steel...?

(A) 0.90 gm/cm^3
(B) 8.1 gm/cm^3

(C) 9.0 gm/cm^3
(D) 13.5 gm/cm^3

βœ… Correct Answer: 9.0 gm/cm^3

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In the bacterial cell, the DNA is found floating in the ____...?

(A) Mitochondria
(B) Nucleus

(C) Cell Wall
(D) Cytoplasm

βœ… Correct Answer: Cytoplasm

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In Fahrenheit scale the freezing point of water is ______ and boiling point of water is _______ ...?

(A) 32°F, 212°F
(B) 212°F, 32°F

(C) 35°F, 210°F
(D) 210°F, 35°F

βœ… Correct Answer: 32°F, 212°F

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The Analytical Chemistry deals with instruments and methods to ______ identify and quantify the matter....?

(A) Mix
(B) Separate

(C) Differentiate
(D) Manipulate

βœ… Correct Answer: Separate

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The boiling point of water on a centigrade scale is...?

(A) 80°C
(B) 90°C

(C) 100°C
(D) 10°C

βœ… Correct Answer: 100°C

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A burning candle is an example of ______ state of matter....?

(A) Gas
(B) Liquid

(C) Solid
(D) All three

βœ… Correct Answer: All three

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Solid wastes that are not easily decomposed by decomposers are called...?

(A) Biodegradable
(B) Non-biodegradable

(C) Both A and B
(D) None

βœ… Correct Answer: Non-biodegradable

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Which one of the following is non-biodegradable material...?

(A) Plastic
(B) Manure

(C) Wood
(D) Cotton

βœ… Correct Answer: Plastic

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Living organisms which derive their food from dead and decaying organic materials called...?

(A) Saprotrophs
(B) Parasites

(C) Predators
(D) Producers

βœ… Correct Answer: Saprotrophs

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Water covers __________ of the Earth’s surface...?

(A) 61%
(B) 67%

(C) 71%
(D) 76%

βœ… Correct Answer: 71%

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Scalding with steam is more severe than scalding by boiling water because_______...?

(A) Steam can penetrate the skin
(B) Steam is at a higher temperature

(C) Steam contains more energy than boiling water
(D) Steam is at a higher pressure

βœ… Correct Answer: Steam contains more energy than boiling water

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Heating element of an electric heater is made up of___________...?

(A) Tungsten
(B) Graphite

(C) Chromium
(D) Nichrome

βœ… Correct Answer: Nichrome

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Which is used to remove dissolved physical and chemical impurities from water is called ____...?

(A) Distillation
(B) Chlorination

(C) Filtration
(D) Sedimentation

βœ… Correct Answer: Distillation

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Freezing point of water at Fahrenheit Scale is...?

(A) 0 °F
(B) 212 °F

(C) 32 °F
(D) -32 °F

βœ… Correct Answer: 32 °F

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Insects group of animals is characterized by...?

(A) Jointed legs & wings
(B) Segmented body & blood feeding

(C) Egg-laying & nectar feeding
(D) All of these

βœ… Correct Answer: All of these

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Speed of sound in water at 20 °C is___________...?

(A) 1450 m/s
(B) 1474 m/s

(C) 1498 m/s
(D) 1500+ m/s

βœ… Correct Answer: 1474 m/s

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Water percentage in plasma is _____...?

(A) 80%
(B) 90%

(C) 60%
(D) 70%

βœ… Correct Answer: 90%

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Detergents dissolved in water help in cleaning clothes by_________...?

(A) Increasing the temperature of water
(B) Reacting chemically with dirt

(C) Reducing the surface tension of water
(D) Dissolving dirt

βœ… Correct Answer: Reducing the surface tension of water

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The major ingredient of leather is__________________...?

(A) Collagen
(B) Polymer

(C) Nucleic acid
(D) None of these

βœ… Correct Answer: Collagen

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Materials for rain-proof coats and tents owe their water proof properties to________...?

(A) Surface tension
(B) Viscosity

(C) Specific gravity
(D) Elasticity

βœ… Correct Answer: Surface tension

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Running water is required for breeding of ______...?

(A) Grass crap
(B) Silver fish

(C) Common crap
(D) Tilapia

βœ… Correct Answer: Grass crap

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Which of the following is a ferromagnetic material ...?

(A) Tungsten
(B) Aluminium

(C) Copper
(D) Nickel

βœ… Correct Answer: Nickel

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How much percentage (%) of the Earth's Surface is covered with water...?

(A) 70%
(B) 60%

(C) 90%
(D) 75%

βœ… Correct Answer: 70%

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About ______ of the body weight of a mammal is water....?

(A) 70%
(B) 75%

(C) 80%
(D) 90%

βœ… Correct Answer: 70%

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Freezing point of water is__________...?

(A) 0°C
(B) -2°C

(C) -4°C
(D) None of above

βœ… Correct Answer: 0°C

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Which water will freeze first...?

(A) Hot
(B) Cold

(C) Both
(D) None

βœ… Correct Answer: Hot

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What happens when water solidifies as ice on cooling from 4°C to 0°C...?

(A) Its volume increases and density decreases
(B) Its volume increases and density increases

(C) Its volume decreases and density decreases
(D) Its volume decreases and density increases

βœ… Correct Answer: Its volume increases and density decreases

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The beautiful color patterns exhibited by a peacock in its tail feathers are due to ...?

(A) Selective absorption of light
(B) Selective re ection of light

(C) Sinterference of light
(D) Natural colour pattern of feathers

βœ… Correct Answer: Selective absorption of light

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Rainbow is seen after rain because of hanging molecules of water which act as __________...?

(A) Lens
(B) Prism

(C) Mirror
(D) Slabs

βœ… Correct Answer: Prism

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Matter exists in______ states....?

(A) One
(B) Three

(C) Five
(D) None of these

βœ… Correct Answer: Three

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In a typical H-R diagram, stars are graphed by these two characteristics:...?

(A) Temperature and luminosity
(B) Luminosity and distance

(C) Distance and temperature
(D) Size and distance

βœ… Correct Answer: Temperature and luminosity

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Which is not a cause of water pollution...?

(A) Gases from household materials
(B) Sewage water from homes

(C) Untreated water from industries
(D) Water runoff from agriculture

βœ… Correct Answer: Gases from household materials

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The taste of water is ______...?

(A) Sour
(B) Bitter

(C) Sweet
(D) Tasteless

βœ… Correct Answer: Tasteless

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Which dissolves in water to form salt and water mixture...?

(A) Gas
(B) Liquid

(C) Solid
(D) None

βœ… Correct Answer: Solid

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Which of the following phenomena occur when a small amount of acid is added to water...?

(A) Precipitation and Neutralization
(B) Evaporation and Condensation

(C) Sublimation and Deposition
(D) Dilution and Ionisation

βœ… Correct Answer: Dilution and Ionisation

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The process of splitting water molecules in the presence of light energy is called_________...?

(A) Electrolysis
(B) Photolysis

(C) Radiolysis
(D) Thermolysis

βœ… Correct Answer: Photolysis

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The fourth state of matter is...?

(A) Water
(B) Salts

(C) Vapours
(D) Plasma

βœ… Correct Answer: Plasma

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What is the percentage of water present in our brain...?

(A) 85%
(B) 95%

(C) 97%
(D) 73%

βœ… Correct Answer: 73%

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which one of the following forms weak electrolyte solution with water...?

(A) CH₃COOH
(B) Hβ‚‚SOβ‚„

(C) NaCl
(D) None of these

βœ… Correct Answer: CH₃COOH

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The process of converting wet waste to manure is___________...?

(A) Metabolism
(B) Conservation

(C) Incineration
(D) Composting

βœ… Correct Answer: Composting

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which one of the following tablets are used for water purification...?

(A) Aspirin
(B) Antibiotic

(C) Vitamin C
(D) Halazone

βœ… Correct Answer: Halazone

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Air, water, sun, land, rocks and light etc is/are an examples of...?

(A) Non-Living Components
(B) Abiotic Factors

(C) Biotic Factors
(D) Both A and B

βœ… Correct Answer: Both A and B

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Average salinity or ratio of salt as per kilogram of water of ocean is__________...?

(A) 35 grams
(B) 55 grams

(C) 32 grams
(D) 42 grams

βœ… Correct Answer: 35 grams

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The nucleus contains a hereditary material called ____...?

(A) Mitochondria
(B) Chromosomes

(C) Ribosomes
(D) Lysosomes

βœ… Correct Answer: Chromosomes

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which of the following are lightest form of matter...?

(A) Solid
(B) Liquid

(C) Gases
(D) Plasma

βœ… Correct Answer: Plasma

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

In bacteria mesosomes take the place of which one of the following...?

(A) Ribosome
(B) Mitochondria

(C) Golgi bodies
(D) None of these

βœ… Correct Answer: Mitochondria

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

In blood, the percentage of water is___________...?

(A) 75%
(B) 85%

(C) 90%
(D) 95%

βœ… Correct Answer: 90%

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

What regulates the flow of water through the xylem...?

(A) Passive transport by the endodermis
(B) The number of companion cells in the phloem

(C) The evaporation of water from the leaves
(D) Active transport by sieve-tube membrane

βœ… Correct Answer: The evaporation of water from the leaves

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Mammals is defined by which of the following characteristics...?

(A) Born alive
(B) Warm-blooded

(C) Milk feeding
(D) Fur/hair/skin & Spine

βœ… Correct Answer: All of these

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Plant cell loses water and cytoplasm shrinks in a process called...?

(A) Osmosis
(B) Deplasmolysis

(C) Cytolysis
(D) Plasmolysis

βœ… Correct Answer: Plasmolysis

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Who invented the first battery...?

(A) Alessandro volta
(B) Tim Berner

(C) Rob Stothard
(D) Georges Leclanche

βœ… Correct Answer: Alessandro volta

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Why the needle of iron swims on water surface when it is kept gently ...?

(A) It will remain under the water, when it will displace more water than its weight
(B) the density of needle is less than that of water

(C) due to surface tension
(D) due to its shape

βœ… Correct Answer: due to surface tension

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

What process takes place between particles of ink and particles of water when a drop of ink is added to water...?

(A) Osmosis
(B) Diffusion

(C) Sedimentation
(D) Decomposition

βœ… Correct Answer: Diffusion

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The following are the methods to purify water except...?

(A) Filtration
(B) Distillation

(C) Crystallization
(D) Chlorination

βœ… Correct Answer: Crystallization

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Milk contains water...?

(A) 70%
(B) 75%

(C) 87%
(D) 90%

βœ… Correct Answer: 87%

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

State of matter that has no fixed shape and no fixed volume is called...?

(A) Liquid
(B) Solid

(C) Gas
(D) None

βœ… Correct Answer: Gas

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

How much percentage of water on the earth is freshwater...?

(A) 2.5%
(B) 3.5%

(C) 4.5%
(D) 5.5%

βœ… Correct Answer: 2.5%

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which of the following vitamins is synthesized in the body by intestinal bacteria_______...?

(A) Vitamins B1
(B) Vitamins B12

(C) Vitamins E
(D) Vitamins K

βœ… Correct Answer: Vitamins K

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

State of matter that has fixed shape and fixed volume is called...?

(A) Solid
(B) Liquid

(C) Gas
(D) None

βœ… Correct Answer: Solid

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

A thick cloud of water droplets on the earth’s surface is called...?

(A) Dew
(B) Fog

(C) Frost
(D) Rain

βœ… Correct Answer: Fog

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

What is the name of bacteria that causes Lyme Disease....?

(A) Escherichia Coli
(B) Staphylococus aureus

(C) Borrelia burgdorferi
(D) None of these

βœ… Correct Answer: Borrelia burgdorferi

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

A method of removing suspended sand particles and insoluble physical impurities from water is known as...?

(A) Sedimentation
(B) Filtration

(C) Distillation
(D) Chlorination

βœ… Correct Answer: Filtration

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

How dark matter is detected...?

(A) Dark matter is detected through its absorption effects
(B) Dark matter is detected through its gravitational effects on visible matter

(C) Dark matter is detected through its absorption and gravitational effects
(D) Dark matter cannot be detected

βœ… Correct Answer: Dark matter is detected through its gravitational effects on visible matter

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which of the following is not a magnetic material...?

(A) Steel
(B) Aluminum

(C) Cobalt
(D) None

βœ… Correct Answer: Aluminum

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Who is called father of antiseptic...?

(A) Alexander fleming
(B) Edward Jenner

(C) Lister
(D) Oswald Schmiedeberg

βœ… Correct Answer: Lister

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Sound travels_______ in solid materials then liquid...?

(A) Constant
(B) Slowest

(C) Fastest
(D) None of these

βœ… Correct Answer: Fastest

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Disolved oxygen (DO) in water should be...?

(A) 400 to 800 ppm
(B) 4000 to 8000 ppm

(C) 0.4 to 0.5 ppm
(D) 4 to 5 ppm

βœ… Correct Answer: 4 to 5 ppm

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which stone floats on water...?

(A) Pumice stone
(B) Lime stone

(C) Basalt stone
(D) Quartzite stone

βœ… Correct Answer: Pumice stone

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The soil maturity color of northeastern areas is ______...?

(A) Grey
(B) Reddish

(C) Dark Brown
(D) None of these

βœ… Correct Answer: Dark Brown

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Who is considered the β€œfather of psychoanalysis...?

(A) Sigmund Frend
(B) Galileo

(C) Aristotle
(D) Fabrica

βœ… Correct Answer: Sigmund Frend

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The potential of pure water is ____...?

(A) Zero
(B) 1

(C) 2
(D) 3

βœ… Correct Answer: Zero

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Earthquake waves travel faster in __________...?

(A) Water
(B) Flexibl rock

(C) Air
(D) Soil

βœ… Correct Answer: Water

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

When you put a drop of ink into water, why is the colour of ink moving in the glass...?

(A) Due to motion of molecules of water
(B) Due to motion of molecules of ink

(C) Due to gravity
(D) Due to light energy

βœ… Correct Answer: Due to motion of molecules of ink

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

In Fahrenheit scale the boiling point of water is ______...?

(A) 208°F
(B) 210°F

(C) 212°F
(D) 214°F

βœ… Correct Answer: 212°F

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which of the following is not a water soluble vitamin...?

(A) Tocopherol
(B) Pyridoxine

(C) Pantothenic acid
(D) Niacin

βœ… Correct Answer: Tocopherol

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Water vapor is ______________...?

(A) A gas
(B) A cloud droplet

(C) A rain drop
(D) A snowflake

βœ… Correct Answer: A gas

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Rate of evaporation of petrol is greater than that of water at room temperature because:...?

(A) petrol molecules do not have any hydrogen bond
(B) petrol is an organic compound

(C) water molecules have small size
(D) petrol molecules have greater size

βœ… Correct Answer: petrol molecules do not have any hydrogen bond

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The gas heater gives us heat by __________...?

(A) Radiation
(B) Conduction

(C) Convection
(D) Environmental pressure

βœ… Correct Answer: Convection

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Permanent hardness of water is due to the presence of __________...?

(A) Sodium bicarbonate
(B) Calcium sulfate

(C) Calcium bicarbonate
(D) None of these

βœ… Correct Answer: Calcium sulfate

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which of the following is the purpose of connecting a battery in an electric circuit...?

(A) To maintain resistance across the conductor
(B) To vary resistance across the conductors

(C) To maintain constant potential difference across the conductor
(D) To maintain varying potential difference across the conductor

βœ… Correct Answer: To maintain constant potential difference across the conductor

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Who is Considered as Father of Botany...?

(A) Aristotle
(B) Gregor Joghn Mandle

(C) Theophrastus
(D) Corlous Linnaeous

βœ… Correct Answer: Theophrastus

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Water soluble vitamins are released by__________...?

(A) Sweat
(B) Tears

(C) Injections
(D) Urine

βœ… Correct Answer: Urine

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

In a solution, when water is used as a solvent that solution is called...?

(A) Saturated Solution
(B) Aqueous Solution

(C) Unsaturated Solution
(D) Concentrated Solution

βœ… Correct Answer: Aqueous Solution

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

An undesirable change in the characteristics of air, water and land environment that is harmful to humans and living things is known as...?

(A) Pollutant
(B) Pollution

(C) Climate Change
(D) Global Warning

βœ… Correct Answer: Pollution

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The camel has a special water storage space in its...?

(A) Stomach
(B) Hump

(C) Liver
(D) None

βœ… Correct Answer: Hump

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Solid wastes that are easily decompose by decomposers are called...?

(A) Biodegradable
(B) Non-biodegradable

(C) Both A and B
(D) None

βœ… Correct Answer: Biodegradable

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Permanent hardness of water due to sulphate of metals can be destroyed by the use of ________ ...?

(A) Zeolites
(B) Sulphonides

(C) Lime
(D) Nitrates

βœ… Correct Answer: Zeolites

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The salinity of sea water is determined by the amount of common salt (Sodium Chloride) in __________ of sea water....?

(A) 1 gram
(B) 10 grams

(C) 1 kg
(D) 10 kg

βœ… Correct Answer: 1 kg

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

An iceberg is floating in sea. How much of its mass will remain above the surface of water...?

(A) One tenth
(B) One fifth

(C) One fourth
(D) One third

βœ… Correct Answer: One tenth

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which of the following is/are the characteristics of reptiles...?

(A) Dry scaly skin
(B) Cold-blooded

(C) Lay eggs on land
(D) Lives in/on water/land

βœ… Correct Answer: All of these

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which salts are excessively dissolved to make temporary hard water...?

(A) CaSO4 and CaCl2
(B) KNO3 and KOH

(C) CaCO3 and Ca(OH)2
(D) Ca(HCO3)2 and Mg(HCO3)2

βœ… Correct Answer: Ca(HCO3)2 and Mg(HCO3)2

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Lemon dissolution in water actually represents solute and solvent combination of ______...?

(A) Gas-liquid solution
(B) Liquid-liquid solution

(C) Solid-liquid solution
(D) Solid-solid solution

βœ… Correct Answer: Liquid-liquid solution

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Techniques for manipulation of gene to achieve desirable characters are called...?

(A) Biotechnology
(B) Biochemistry

(C) Genomics
(D) Gene Therapy

βœ… Correct Answer: Biotechnology

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Water vapour turns into clouds in the atmosphere when:...?

(A) It rains
(B) The temperature rise

(C) Dew point is reached
(D) Evaporation takes place

βœ… Correct Answer: Dew point is reached

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Water is a good solvent of ionic salts because:...?

(A) It has a high specific heat
(B) It has no colour

(C) It has a high dipole moment
(D) None of these

βœ… Correct Answer: It has a high dipole moment

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which of the following remains suspended to form sand and water mixture...?

(A) Gas
(B) Plasma

(C) Liquid
(D) Solid

βœ… Correct Answer: Solid

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which vitamin is most soluble in water...?

(A) Vitamin D
(B) Vitamin B

(C) Vitamin C
(D) Both B and C

βœ… Correct Answer: Both B and C

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

In plants, water and minerals are transported from roots to the leaves by ____...?

(A) Phloem
(B) Xylem

(C) Stomata
(D) Cambium

βœ… Correct Answer: Xylem

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

If we dissolve sand into the water, then the mixture is said to be _______...?

(A) Solution
(B) Suspension

(C) Colloids
(D) Concentrated solution

βœ… Correct Answer: Suspension

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

A _______ is an object with at least one slanting side ending in a sharp edge, which cuts material apart....?

(A) Pulley
(B) Inclined Plane

(C) Lever
(D) Wedge

βœ… Correct Answer: Wedge

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The largest artery in human body_______...?

(A) Subclavian artery
(B) Aorta

(C) Brachial artery
(D) None of these

βœ… Correct Answer: Aorta

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The light rays used for eliminating bacteria...?

(A) X-rays
(B) infrared rays

(C) microwave radiation
(D) ultra-violet radiation

βœ… Correct Answer: ultra-violet radiation

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Sound travels about ___________times faster in water than in air....?

(A) 2
(B) 3

(C) 4
(D) 5

βœ… Correct Answer: 4

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which of the following is the study of micro- organisms, mostly viruses and single called organisms such as bacteria, yeasts and protozoa ...?

(A) Microbiology
(B) Micrology

(C) Histopathology
(D) Tavelogy

βœ… Correct Answer: Microbiology

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Organisms that eat all the dead and waste products and returning useful elements to soil and environment are known as...?

(A) Decomposers
(B) Producers

(C) Consumers
(D) None

βœ… Correct Answer: Decomposers

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

What pigment is responsible for the red color inside a watermelon...?

(A) Chlorophyll
(B) Beta-carotene

(C) Lycopene
(D) Anthocyanin

βœ… Correct Answer: Lycopene

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Salt dissolution in water, actually represents solute and solvent combination of _____...?

(A) Solid liquid solution
(B) Solid solid solution

(C) Liquid liquid solution
(D) Gas liquid solution

βœ… Correct Answer: Solid liquid solution

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which is not a biodegradable waste...?

(A) Vegetable peeling
(B) Plastic bottles

(C) Paper
(D) None

βœ… Correct Answer: Plastic bottles

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

All are characters of enzymes except...?

(A) Enzyme speed up a biochemical reaction
(B) Enzymes are sensitive to minor change in pH

(C) Enzyme activity enhanced by inhibitors
(D) Enzyme portion where substrate attach called active site

βœ… Correct Answer: Enzyme activity enhanced by inhibitors

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

A _____ is used in submarines to monitor the surface of water....?

(A) Periscope
(B) Telescope

(C) Kaleidoscope
(D) Binoculars

βœ… Correct Answer: Periscope

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Material for rain-proof coats and tents owe their water proof properties to ________...?

(A) Surface tension
(B) Viscosity

(C) Specific gravity
(D) Elasticity

βœ… Correct Answer: Surface tension

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which is a water purification technology that uses a semipermeable membrane to remove ions, molecules and larger particles from drinking water...?

(A) Filtration
(B) Reverse Osmosis (RO)

(C) Sedimentation
(D) Distillation

βœ… Correct Answer: Reverse Osmosis (RO)

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Water soluble Vitamins are _________...?

(A) A & D vitamins
(B) B & C vitamins

(C) A & K vitamins
(D) B & K vitamins

βœ… Correct Answer: B & C vitamins

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

A group of stars in the sky that, when viewed from Earth, create an outline of some recognizable shape or pattern is called ___...?

(A) Constellation
(B) Nebula

(C) Asterism
(D) Galaxy

βœ… Correct Answer: Constellation

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Butter paper is _________ material because it scatters light....?

(A) Transparent
(B) Translucent

(C) Opaque
(D) None

βœ… Correct Answer: Translucent

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Who is the Father of Genetics...?

(A) Gregor Mendel
(B) Alexendar

(C) Darewin
(D) Louis pasture

βœ… Correct Answer: Gregor Mendel

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

A solid is a state of matter _____...?

(A) Definite volume and indefinite shape
(B) Indefinite volume and definite shape

(C) Definite volume and definite shape
(D) Indefinite volume and indefinite shape

βœ… Correct Answer: Definite volume and definite shape

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which is the purest form of water...?

(A) Rain water
(B) Heavy water

(C) Tap water
(D) None of these

βœ… Correct Answer: Rain water

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The bodyguard of the Earth is __________ that save the Earth from many Comets and Asteroids....?

(A) Mars
(B) Saturn

(C) Uranus
(D) Jupiter

βœ… Correct Answer: Jupiter

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The freezing point of water is the same as its...?

(A) Melting point
(B) Boiling point

(C) Evaporation point
(D) None

βœ… Correct Answer: Melting point

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

All matter is made of ___________...?

(A) Air
(B) Water

(C) Vibrations
(D) Atoms

βœ… Correct Answer: Atoms

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

A change that alters the composition of a substances is known as ____...?

(A) Physical Change
(B) Nuclear Change

(C) Chemical Change
(D) Biological Change

βœ… Correct Answer: Chemical Change

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The process of removing water in the form of vapour in the form of leaves is called...?

(A) Nutrition
(B) respiration

(C) perspiration
(D) transpiration

βœ… Correct Answer: transpiration

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which of the following is/are characteristics of amphibians...?

(A) Lives on/in land/water
(B) Cold-blooded

(C) Moist skin
(D) Both A and B

βœ… Correct Answer: All of these

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

In the Centigrade scale, the freezing point of water is _______ and the boiling point of water is ________...?

(A) 0°C, 50°C
(B) 10°C, 100°C

(C) 0°C, 100°C
(D) 5°C, 90°C

βœ… Correct Answer: 0°C, 100°C

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Characteristic odour of garlic is due to...?

(A) A fluorine compoune
(B) A sulphur compound

(C) A chlorine compound
(D) None of these

βœ… Correct Answer: A sulphur compound

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which Planet is known as Watery Planet...?

(A) Earth
(B) Mars

(C) Jupiter
(D) Mercury

βœ… Correct Answer: Earth

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Water has high density and minimum volume at__________...?

(A) 0°C
(B) 4°C

(C) 100°C
(D) None of these

βœ… Correct Answer: 4°C

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Law of conservation of momentum defines that the total momentum of a system of two bodies before and after collision ______...?

(A) Remains constant
(B) Retains more momentum

(C) Losses some momentum
(D) None of the above is true

βœ… Correct Answer: Remains constant

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which type of wastes are classified as Biodegradable waste...?

(A) Waste from plastic industries
(B) Vegetables waste from farms

(C) Wasted water from homes
(D) None

βœ… Correct Answer: Vegetables waste from farms

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The evaporation of water from aerial parts of the plant especially through leaves is called...?

(A) Translocation
(B) Photosynthesis

(C) Respiration
(D) Transpiration

βœ… Correct Answer: Transpiration

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Surfactants reduce the ______ of water....?

(A) Viscosity
(B) Surface tension

(C) Boiling point
(D) Melting Point

βœ… Correct Answer: Surface tension

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

About 50% of the Earth’s crust, including the waters on the Earth and atmosphere, is...?

(A) Oxygen
(B) Cabon Dioxide

(C) Silicon
(D) Clay

βœ… Correct Answer: Oxygen

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Naturally occurring enzyme used as a defense chemical by bacteria ______...?

(A) Defense protein
(B) Restriction enzyme

(C) Hydrolytic enzyme
(D) Ligase enzyme

βœ… Correct Answer: Restriction enzyme

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Underground water and the water on the earth’s surface is called ...?

(A) Mezosphere
(B) Ionosphere

(C) Hydrosphere
(D) None of these

βœ… Correct Answer: Hydrosphere

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Water is a universal solvent for what reactions...?

(A) Chemical
(B) Biochemical

(C) Physical
(D) Nuclear

βœ… Correct Answer: Biochemical

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The way by which gene transmits characters from parents to offspring is _____...?

(A) Genetics
(B) Inheritance

(C) Heredity
(D) Allele

βœ… Correct Answer: Inheritance

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The hormone that increases the rate of heart beat and blood pressure after shock in a person is___________...?

(A) Adrenalin
(B) Gastrin

(C) Thyroxin
(D) Pancreatic

βœ… Correct Answer: Adrenalin

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The world's most consumed drink, after water is made from ____ plant....?

(A) Camellia sinensis
(B) Coffee arabica

(C) Punica granatum
(D) Mangifera indica

βœ… Correct Answer: Camellia sinensis

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Element extracted from Sea water...?

(A) Beryllium
(B) Magnesium

(C) Aluminium
(D) None of These

βœ… Correct Answer: Magnesium

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which of the following floats on water to form sawdust and water mixture...?

(A) Solid
(B) Liquid

(C) Gas
(D) None

βœ… Correct Answer: Solid

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

When the angle of refraction is 90° and the refractive index for water is 1. 33, the critical angle is ______...?

(A) 48.8°
(B) 50.0°

(C) 49.1°
(D) 51.0°

βœ… Correct Answer: 48.8°

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which gas is used in preparation of Soda water...?

(A) Ammonia
(B) Hydrogen

(C) Nitrogen
(D) Carbon Dioxide

βœ… Correct Answer: Carbon Dioxide

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Transportation of water takes place through continuous tubes in roots, stem and leaves are called as...?

(A) Xylem
(B) Phloem

(C) Stomata
(D) Cambium

βœ… Correct Answer: Xylem

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

A gas is a state of matter _______...?

(A) Definite volume and definite shape
(B) Definite volume and indefinite shape

(C) Indefinite volume and indefinite shape
(D) Indefinite volume and definite shape

βœ… Correct Answer: Indefinite volume and indefinite shape

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Permanent hardness of water may be removed by the addition of___________...?

(A) Sodium Carbonate
(B) Alum

(C) Potassium Permanganate
(D) Lime

βœ… Correct Answer: Sodium Carbonate

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which of the following is not a solid sublime material...?

(A) Glucose
(B) Sodium Chloride

(C) Iodine
(D) Camphor

βœ… Correct Answer: Both A and B

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which of the following are non-biodegradable materials ______...?

(A) Dead Animals
(B) Plastics

(C) Bread
(D) None of these

βœ… Correct Answer: Plastics

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

A narrow beam of white light passes from air into the glass and is refracted. The wave characteristic remains unchanged in its ______...?

(A) Direction
(B) Speed

(C) Frequency
(D) Wavelength

βœ… Correct Answer: Frequency

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Cobalt is a material which is ...?

(A) Strongly attracted by a magnet
(B) Not attracted by a magnet

(C) not a magnet
(D) Weakly attracted by a magnet

βœ… Correct Answer: Strongly attracted by a magnet

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Water at 4 degrees centigrade has...?

(A) Minimum density
(B) Maximum density

(C) No density
(D) None of these

βœ… Correct Answer: Maximum density

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

During the process, more water will also evaporate and convert to a gaseous state of water called the...?

(A) Water Liquid
(B) Water Solid

(C) Water Vapour
(D) Water Ice

βœ… Correct Answer: Water Vapour

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

One of the following is a water soluble vitamin...?

(A) Vitamin A
(B) Vitamin D

(C) Vitamin K
(D) None

βœ… Correct Answer: None

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Honey contain glucose and fructose along with some other ingredients, it has greater viscosity due to____________...?

(A) hydrogen bonding
(B) irregular shape of the molecules

(C) irregular shape of the molecules and strong inter-molecular forces
(D) greater molecular size

βœ… Correct Answer: irregular shape of the molecules and strong inter-molecular forces

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

When parallel rays of light fall onto rough surface they are reflected in different directions and are scattered is called _____...?

(A) Regular Reflection
(B) Specular Reflection

(C) Diffused Reflection
(D) None

βœ… Correct Answer: Diffused Reflection

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Water has maximum density at____________...?

(A) 0°C
(B) 4°C

(C) 4° K
(D) 4.8°C

βœ… Correct Answer: 4°C

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Chemical formula for Water is _______ ...?

(A) NaAlO2
(B) H2O

(C) Al2O3
(D) CaSiO3

βœ… Correct Answer: H2O

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Heavy mechanical complex use a large amount of water for_________...?

(A) Cooling
(B) Freezing

(C) Washing
(D) Mixing

βœ… Correct Answer: Cooling

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Most soluble in water is:__________...?

(A) Camphor
(B) Sulphur

(C) Common salt
(D) Sugar

βœ… Correct Answer: Sugar

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Sounds travel faster through solids than _______...?

(A) Liquid
(B) Gases

(C) Solids
(D) Both A and B

βœ… Correct Answer: Both A and B

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The amount of solid waste or concentration of gases other than oxygen increase in atmosphere is called...?

(A) Air pollution
(B) Ozone depletion

(C) Acid rain
(D) Greenhouse effect

βœ… Correct Answer: Air pollution

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

A fresh egg when placed in salt water will __________ ...?

(A) sink and go to the bottom
(B) sink but will not go to the bottom

(C) Float
(D) Burst

βœ… Correct Answer: Float

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

A bacterium that lives in the intestines of human beings and animals is called...?

(A) Lactobacillus acidophilus
(B) Escherichia coli

(C) Staphylococcus aureus
(D) Bacillus subtilis

βœ… Correct Answer: Escherichia coli

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The gas used in a refrigerator to cool water is___________...?

(A) Nitrogen
(B) Carbon dioxide

(C) Methane
(D) Tetrafluoroethane

βœ… Correct Answer: Tetrafluoroethane

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The molecular mass of Water molecule is __________...?

(A) 16amu
(B) 17amu

(C) 18amu
(D) 20amu

βœ… Correct Answer: 18amu

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

There are many different types of frozen water on Earth. Collectively, they are known as the: ___________...?

(A) Hydrosphere
(B) Cryosphere

(C) Frigid Zone
(D) Biosphere

βœ… Correct Answer: Cryosphere

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Percentage of water in a tomato is__________...?

(A) 94%
(B) 90%

(C) 47%
(D) None of these

βœ… Correct Answer: 94%

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The volume of air remaining in the lungs even after forcible expiration is:...?

(A) total volume
(B) tidal volume

(C) residual volume
(D) none of the above

βœ… Correct Answer: residual volume

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Water enters the root hair by ____...?

(A) Diffusion
(B) Osmosis

(C) Active Transport
(D) Transpiration

βœ… Correct Answer: Osmosis

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

When sugar is added to water, its boiling point:__________...?

(A) Increase
(B) Decrease

(C) Remain unchanged
(D) None of the above

βœ… Correct Answer: Increase

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

β€œFather of Optics” is the title given to__________...?

(A) Ibn-al-Haitham
(B) Ibn-e-Sina

(C) Al-Kandi
(D) Al-Biruni

βœ… Correct Answer: Ibn-al-Haitham

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The container use to grow bacteria on large scale are called...?

(A) Chillers
(B) Sterilizers

(C) Fermenters
(D) Ferments

βœ… Correct Answer: Fermenters

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Splitting of water in presence of light called...?

(A) Hydrolysis
(B) Glycolysis

(C) Photolysis
(D) None of these

βœ… Correct Answer: Photolysis

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The study of the weather is called____________...?

(A) Meteorology
(B) Weatherology

(C) Ecology
(D) Geology

βœ… Correct Answer: Meteorology

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Water is 50 times more viscous than ____________ ...?

(A) Oil
(B) Alcohol

(C) Gases
(D) Solid

βœ… Correct Answer: Gases

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

For water purification, we use...?

(A) Chlorine
(B) Bromine

(C) Plants
(D) Young man

βœ… Correct Answer: Chlorine

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Father of Homeopathy is__________...?

(A) Samuel Hahnemann
(B) Robert Dover

(C) Hakeem Suleman
(D) Dr Anwaar Khan

βœ… Correct Answer: Samuel Hahnemann

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

If pH value is greater than 7, then solution is ______...?

(A) Acidic
(B) Basic

(C) Amphoteric
(D) Neutral

βœ… Correct Answer: Basic

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

For the generation of biogas, the materials commonly used are__________...?

(A) Animal wastes
(B) Forest residues

(C) Aquatic plants
(D) None of these

βœ… Correct Answer: Animal wastes

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Water waves pass from deep into the shallow region and are then refracted. The characteristics of waves which will remain constant is _____...?

(A) Direction
(B) Frequency

(C) Speed
(D) Wavelength

βœ… Correct Answer: Frequency

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The Percentage of Water used for Drinking in the world is...?

(A) 1%
(B) 10%

(C) 3%
(D) 5%

βœ… Correct Answer: 1%

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which pigment is responsible for the red color inside a watermelon...?

(A) Lycopene
(B) Beta Carotene

(C) Alpha Carotene
(D) All of these

βœ… Correct Answer: Lycopene

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The temperature at which water boils depends mainly on ____________...?

(A) Air temperature
(B) Relative humidity

(C) Air pressure
(D) Air density

βœ… Correct Answer: Air pressure

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

A liquid is a state of matter _______...?

(A) Definite volume and definite shape
(B) Indefinite volume and definite shape

(C) Definite volume and indefinite shape
(D) Indefinite volume and indefinite shape

βœ… Correct Answer: Definite volume and indefinite shape

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which of the followings planet can float on water...?

(A) Saturn
(B) Mars

(C) Venus
(D) None

βœ… Correct Answer: Saturn

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Most asteroids orbit the sun in a region called the asteroid belt between...?

(A) Mars and Jupiter
(B) Jupiter and Saturn

(C) Mercury and Neptune
(D) Venus and Uranus

βœ… Correct Answer: Mars and Jupiter

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The products of the reaction between carbon dioxide and water are ______...?

(A) Glucose (C6H12O6) and Nitrogen (N2)
(B) Glucose (C6H12O6) and Oxygen (O2)

(C) Starch (C6H10O5) and Water (H2O)
(D) Cellulose (C6H10O5) and Carbon Monoxide (CO)

βœ… Correct Answer: Glucose (C6H12O6) and Oxygen (O2)

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which of the following is used in water purification...?

(A) Reverse Osmosis
(B) Osmosis

(C) Cytolysis
(D) Turgor Pressure

βœ… Correct Answer: Reverse Osmosis

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Density of Water is_________...?

(A) 897 kg/m³
(B) 997 kg/m³

(C) 1000 kg/m³
(D) 1025 kg/m³

βœ… Correct Answer: 997 kg/m³

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Loss of internal water of plant in the form of vapours from aerial parts of plants is called...?

(A) Evaporation
(B) Respiration

(C) Transpiration
(D) Photosynthesis

βœ… Correct Answer: Transpiration

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

What is the number of known crystalline phases of water ________...?

(A) 4
(B) 8

(C) 17
(D) 18

βœ… Correct Answer: 18

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which of the following is not a waterborne disease...?

(A) Cholera
(B) Amoebiasis

(C) Typhoid
(D) Influenza

βœ… Correct Answer: Influenza

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

In which state of matter, the particles have no regular pattern, have large empty spaces...?

(A) Solid
(B) Liquid

(C) Gas
(D) None

βœ… Correct Answer: Gas

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Boiling point of pure water is __________...?

(A) 90’C
(B) 97’C

(C) 100’C
(D) None of these

βœ… Correct Answer: 100’C

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Sugar dissolution in water, actually represents solute and solvent combination of _____...?

(A) Solid solid solution
(B) Liquid liquid solution

(C) Gas liquid solution
(D) Solid liquid solution

βœ… Correct Answer: Solid liquid solution

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

P-waves is a term associated with__________...?

(A) Earthquakes
(B) Oceans

(C) Wind
(D) Rivers

βœ… Correct Answer: Earthquakes

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The variety of coal in which the deposit contains recognizable traces of the original plant material is____________...?

(A) bitumen
(B) anthracite

(C) lignite
(D) peat

βœ… Correct Answer: peat

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

We could destroy the Dengue Mosquito by introducing a special Mosquito Eating ______in the water bodies....?

(A) Fish
(B) Meat

(C) Chicken
(D) None

βœ… Correct Answer: Fish

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which of the following is not a characteristic of a wave...?

(A) An amplitude
(B) Period

(C) Mass
(D) Velocity

βœ… Correct Answer: Mass

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

State of matter that hast fixed volume but not fixed shape is called...?

(A) Solid
(B) Gas

(C) Liquid
(D) None

βœ… Correct Answer: Liquid

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The materials required for respiration are ______...?

(A) Glucose (C6H12O6) and Oxygen (O2)
(B) Glucose (C6H12O6) and Water (H2O)

(C) Carbon Dioxide (CO2) and Water (H2O)
(D) Oxygen (O2) and Light Energy

βœ… Correct Answer: Glucose (C6H12O6) and Oxygen (O2)

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

What is the percentage of salt water on earth surface...?

(A) 93%
(B) 95%

(C) 97%
(D) 76%

βœ… Correct Answer: 97%

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Lead ball falls through water more slowly than through air because __________...?

(A) The value of β€˜g’ is less in water
(B) Density of air is less than that of water

(C) Of the viscous force in water
(D) Of The surface tension of water

βœ… Correct Answer: Of the viscous force in water

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which of the following flower is called Queen of Water...?

(A) Rose
(B) Lilly

(C) Rafflesia
(D) Tulip

βœ… Correct Answer: Lilly

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Energy possessed by water in a dam is ...?

(A) Electrical energy
(B) Mechanical energy

(C) Kinetic energy
(D) Potential energy

βœ… Correct Answer: Potential energy

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which type of wastes are classified as Non-biodegradable waste...?

(A) Waste from the plastic industry
(B) Vegetable waste from farms

(C) Kitchen waste from home
(D) None

βœ… Correct Answer: Waste from the plastic industry

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

When water vapours are cooled, energy will be released and gaseous state will convert into liquid water. This process is known as...?

(A) Evaporation
(B) Condensation

(C) Melting
(D) Freezing

βœ… Correct Answer: Condensation

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The most abundant element in sea water is...?

(A) Chlorine
(B) Sodium

(C) Sulfur
(D) Magnesium

βœ… Correct Answer: Chlorine

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Less than one percent of Earth’s water is fresh water but Ocean contains what percent of the total water of planet Earth...?

(A) 99%
(B) 89%

(C) 77%
(D) 97%

βœ… Correct Answer: 97%

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Permanent hardness of water can be removed by adding __________...?

(A) Chlorine
(B) Washing soda

(C) Bleaching powder
(D) None of these

βœ… Correct Answer: Washing soda

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which of the following material is more elastic...?

(A) Rubber
(B) Glass

(C) Steel
(D) Wood

βœ… Correct Answer: Steel

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which of the following is not a characteristic of a Dicot Plants...?

(A) Its leaves have parallel venation
(B) Its leaves have netted venation

(C) Its seed consist of two cotyledon
(D) Its flowers have four or multiple of four floral leaves

βœ… Correct Answer: Its leaves have parallel venation

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which mineral plays an important role in the distribution of water in the body...?

(A) Calcium
(B) Magnesium

(C) Iodine
(D) Sodium

βœ… Correct Answer: Sodium

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

What is a distinguishing character of arachnids...?

(A) 6 legs
(B) 8 legs

(C) Antennae
(D) Wings

βœ… Correct Answer: 8 legs

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which gland in the human body is called the master gland...?

(A) Pancreas
(B) Thyroid

(C) Pituitary
(D) Spleen

βœ… Correct Answer: Pituitary

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Animal and Plant bodies contain ________ of water....?

(A) 75%
(B) 72%

(C) 70%
(D) 73%

βœ… Correct Answer: 70%

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Asteroids are made mostly of...?

(A) Rock, metal, ice and dust
(B) Rock and metal

(C) Metal and gas
(D) Metal, gas and rock

βœ… Correct Answer: Rock and metal

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Places where the temperature of air is above freezing point of the water, the precipitation will be in the form of ________ ...?

(A) Hailstorms
(B) Thunders

(C) Rain
(D) Lightning

βœ… Correct Answer: Rain

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

If the length of a heater coil is reduced by 10% of its original length, then Power consumed by heater will...?

(A) Increase over 10%
(B) Decrease by 10%

(C) Decrease by 0.5%
(D) Increase by 0.5%

βœ… Correct Answer: Decrease by 10%

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which animal can live longest without water...?

(A) Elephant
(B) Cat

(C) Rat
(D) Camel

βœ… Correct Answer: Camel

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Nucleus is responsible for cell division because it contains nuclear material called...?

(A) Mitochondria
(B) Ribosomes

(C) Lysosomes
(D) Chromosomes

βœ… Correct Answer: Chromosomes

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The water has minimum density at _____...?

(A) O°C
(B) 2°C

(C) 3°C
(D) 4°C

βœ… Correct Answer: O°C

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which gas can turn lime water milky...?

(A) O2
(B) NO2

(C) CO2
(D) N2

βœ… Correct Answer: CO2

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Triple point of water is _________...?

(A) 271 K
(B) 272.2 K

(C) 273.16 K
(D) None of these

βœ… Correct Answer: 273.16 K

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Movement of water molecules from the area of higher water potential to the area of lower water potential called...?

(A) Diffusion
(B) Osmosis

(C) Active transport
(D) Water potential

βœ… Correct Answer: Osmosis

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which of the following processes is used in water purification...?

(A) Reverse Osmosis
(B) Osmosis

(C) Cytolysis
(D) Turgor Pressure

βœ… Correct Answer: Reverse Osmosis

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Sound travel faster in solid as compare to gases because of ______...?

(A) Gas molecules are packed loosely
(B) Sound does not travel faster through a solid than a gas

(C) Solid molecules are packed tightly
(D) Gas molecules move faster

βœ… Correct Answer: Solid molecules are packed tightly

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The most suitable thermometer for measuring boiling point of water is ...?

(A) Mercury Thermometer
(B) Liquid crystal thermometer

(C) Bimetallic thermometer
(D) Alcohol thermometer

βœ… Correct Answer: Mercury Thermometer

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Who is the known as the father of taxonomy...?

(A) Aristotle
(B) Fransco Redi

(C) Carolus Linnaeus
(D) Rachel Carson

βœ… Correct Answer: Carolus Linnaeus

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

What makes dark matter invisible to telescope...?

(A) Dark matter interacts with electromagnetic force for very short duration
(B) Dark matter does not interact with electrostatic force

(C) Dark matter does not interact with electromagnetic force
(D) None of the above

βœ… Correct Answer: Dark matter does not interact with electromagnetic force

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The order of speed of the sound in different mediums from faster to slowest is ______...?

(A) Gas β†’ Liquid β†’ Solid
(B) Liquid β†’ Solid β†’ Gas

(C) Solid β†’ Liquid β†’ Gas
(D) Gas β†’ Solid β†’ Liquid

βœ… Correct Answer: Solid β†’ Liquid β†’ Gas

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Places where the temperature of air is below freezing point of the water, the precipitation will be in the form of __________ ...?

(A) Snow
(B) Lightning

(C) Hailstorms
(D) Thunders

βœ… Correct Answer: Snow

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Water is heated in a kettlE. The inside water is heated by convection. A person sitting near the fire receives heat by ________...?

(A) Conduction
(B) Convection

(C) Radiation
(D) Reflection

βœ… Correct Answer: Radiation

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Louder sound is characterized by which of the following...?

(A) High Frequency
(B) Low Frequency

(C) High Amplitude
(D) Low Amplitude

βœ… Correct Answer: High Amplitude

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The quantity of matter in an object is its ________...?

(A) Force
(B) Mass

(C) Weight
(D) None of these

βœ… Correct Answer: Mass

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

A region of space where matter has collapsed in on itself is called a...?

(A) White Dwarf
(B) Wormhole

(C) Black Hole
(D) Neutron Star

βœ… Correct Answer: Black Hole

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

In Fahrenheit scale the freezing point of water is ______...?

(A) 30°F
(B) 32°F

(C) 34°F
(D) 100°F

βœ… Correct Answer: 32°F

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

What percentage of plasma is composed of water...?

(A) 70%
(B) 80%

(C) 90%
(D) 92%

βœ… Correct Answer: 92%

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which one of the following is biodegradable material...?

(A) Plastic
(B) Styrofoam

(C) Glass
(D) Fruits

βœ… Correct Answer: Fruits

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which solution contain more water...?

(A) 1.0M
(B) 0.75M

(C) 0.5M
(D) 0.25M

βœ… Correct Answer: 0.25M

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Carbon dioxide dissolution in water, actually represents solute and solvent combination of _____...?

(A) Liquid-liquid solution
(B) Solid-liquid solution

(C) Gas-liquid solution
(D) Solid-solid solution

βœ… Correct Answer: Gas-liquid solution

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which scientist is known as modern father of Astronomy ...?

(A) Einstein
(B) Newton

(C) Copernicus
(D) Archimedes

βœ… Correct Answer: Copernicus

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

What happens when you put sand, salt and sawdust in glass of water...?

(A) Salt has dissolved in water
(B) Sand sank to the bottom

(C) Sawdust floated on the top
(D) All of these

βœ… Correct Answer: All of these

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

On heating the particles in the ice cubes will gain energy, move faster and change to liquid water. This is called...?

(A) Freezing
(B) Melting

(C) Boiling
(D) Condensation

βœ… Correct Answer: Melting

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

An egg sinks in soft water but floats in a concentrated solution of salt because...?

(A) egg absorbs salt from the solution and expands
(B) albumin dissolves in salt solution and egg becomes lighter

(C) the density of salt solution exceeds the density of eggs
(D) water has high surface tension

βœ… Correct Answer: the density of salt solution exceeds the density of eggs

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Water is a highly effective coolant for a car engine because _________...?

(A) Water is good conductor of heat
(B) Water has very high specific heat capacity

(C) Water boils at a comparatively high temperature
(D) Evaporation of water produces lot of cooling

βœ… Correct Answer: Water has very high specific heat capacity

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

All of these are benefits of bacteria except ______...?

(A) Decomposition
(B) Oxygen Production

(C) Nitrogen Fixation
(D) None of these

βœ… Correct Answer: Oxygen Production

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Hailey’s comet is visible after every_________...?

(A) 84 years
(B) 76 years

(C) 1000 years
(D) 365 years

βœ… Correct Answer: 76 years

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

At which temperature does bacteria die...?

(A) 102F
(B) 106F

(C) 149F
(D) None of These

βœ… Correct Answer: 149F

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Organisms that eat all the dead and waste products of producers and consumers are called...?

(A) Producers
(B) Consumers

(C) Decomposers
(D) None

βœ… Correct Answer: Decomposers

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The chemical material of a chromosome is called _____...?

(A) Chromatin
(B) Chromeres

(C) Chromonema
(D) Chromatid

βœ… Correct Answer: Chromatin

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which of the following is not a characteristic of a Monocot Plants...?

(A) Its leaves have parallel venation
(B) Its seed consist of one cotyledon

(C) Its flowers have three or multiple of three floral leaves
(D) Its flowers have four or multiple of four floral leaves

βœ… Correct Answer: Its flowers have four or multiple of four floral leaves

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Name the animal which can live without water in its entire life...?

(A) Desert lizard
(B) Camel

(C) Kangaroo rat
(D) Cuttlefish

βœ… Correct Answer: Kangaroo rat

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The first and largest asteroid discovered was__________...?

(A) Pallas
(B) Juno

(C) Ceres
(D) Trojan

βœ… Correct Answer: Ceres

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

A body of land that is surrounded by water on three sides is called________...?

(A) Strait
(B) Bay

(C) Peninsula
(D) Gulf

βœ… Correct Answer: Peninsula

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The carboxylate end of the soap molecule that is attracted to water is called...?

(A) Hydrophobic end
(B) End point

(C) Hydrophilic end
(D) None

βœ… Correct Answer: Hydrophilic end

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

For seeing objects at the surface of water from a submarine under water, the instrument used is ________...?

(A) Periscope
(B) Telescope

(C) Kaleidoscope
(D) Spectroscope

βœ… Correct Answer: Periscope

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The density of water is __________...?

(A) 1 g/cm3
(B) 1.5 g/cm3

(C) 2 g/cm3
(D) none of these

βœ… Correct Answer: 1 g/cm3

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The additional circular small piece of DNA in bacterial cell is called ____...?

(A) Plasmids
(B) Replica

(C) Template
(D) Clone

βœ… Correct Answer: Plasmids

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Substance whose atoms can be split are known as __________ materials....?

(A) Fusionable
(B) Fissionable

(C) Combustible
(D) None of these

βœ… Correct Answer: Fissionable

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Water has been discovered on which potentially habitable super-Earth ...?

(A) K2-14d
(B) K2-15c

(C) K2-13a
(D) K2-18b

βœ… Correct Answer: K2-18b

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

What percentage of earth’s water supply is fresh water___________...?

(A) 3%
(B) 5%

(C) 21%
(D) None of these

βœ… Correct Answer: 3%

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

A term biotype means ___________...?

(A) all individuals having same phenotype
(B) all individuals having same genotype

(C) all individual with different phenotype
(D) all individuals with different genotype

βœ… Correct Answer: all individuals having same phenotype

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The Quantity of matter present in an object is its ________...?

(A) Density
(B) Weight

(C) Mass
(D) None of these

βœ… Correct Answer: Mass

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which of the following pollutants in water causes β€œMinamata disease...?

(A) Methyl Mercury
(B) Lead

(C) Salmonella
(D) Perchlorate

βœ… Correct Answer: Methyl Mercury

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

How much percentage of water on the earth is saltwater...?

(A) 90%
(B) 95%

(C) 98.5%
(D) 97.5%

βœ… Correct Answer: 97.5%

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

If both the parents donate same factors of a character is called _____...?

(A) Homologous
(B) Heterologous

(C) Homozygous
(D) Heterozygous

βœ… Correct Answer: Homozygous

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Swimmers make their bodies streamlined to ________ friction under water....?

(A) Increase
(B) Reduce

(C) Maintain
(D) Ignore

βœ… Correct Answer: Reduce

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which of the following is/are characteristics of fish...?

(A) Lives in water & cold-blooded
(B) Fins and scales

(C) Lay eggs in water
(D) Breathes with gills

βœ… Correct Answer: All of these

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

From among the following, which material is insoluble in water...?

(A) Sand
(B) Sugar

(C) Glucose
(D) Salt

βœ… Correct Answer: Sand

Comments

Source: This question is taken from the Everyday Science

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