How many pounds in a kg...? Mcqs

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How many pounds in a kg...?

(A) 2.20
(B) 2.30

(C) 2.40
(D) 2.50

✅ Correct Answer: 2.20

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Source: This question is taken from the Everyday Science

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The insects (arthropods) that are now extinct...?

(A) Trilobites
(B) Arachnids

(C) Crustaceans
(D) Myriapods

✅ Correct Answer: Trilobites

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Source: This question is taken from the Everyday Science

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Highest Clouds are ___________...?

(A) Cirrocumulus
(B) Cirrus

(C) Cirrostratus
(D) All of these

✅ Correct Answer: All of these

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Source: This question is taken from the Everyday Science

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When sound travels through air, the air particles _____...?

(A) Vibrate along the direction of wave propagation
(B) Vibrate perpendicular to the direction of wave propagation

(C) Vibrate but not in any fixed direction
(D) Vibrate and move in a straight line

✅ Correct Answer: Vibrate along the direction of wave propagation

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Source: This question is taken from the Everyday Science

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Sound travels in the form of waves called...?

(A) Longitudinal Waves
(B) Transverse waves

(C) Electromagnetic waves
(D) Radio waves

✅ Correct Answer: Longitudinal Waves

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Source: This question is taken from the Everyday Science

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Sounds travel faster through solids than _______...?

(A) Liquid
(B) Gases

(C) Solids
(D) Both A and B

✅ Correct Answer: Both A and B

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Source: This question is taken from the Everyday Science

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Sound of frequency below 20 Hz is:___________...?

(A) Audiosonic
(B) Infrasonic

(C) Ultrasonic
(D) Supersonic

✅ Correct Answer: Infrasonic

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Source: This question is taken from the Everyday Science

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Which from the following is true for “Sound”...?

(A) Sound cannot travel through a vacuum
(B) Sound cannot travel through gases

(C) Sound cannot travel through liquids
(D) Sound cannot travel through solids

✅ Correct Answer: Sound cannot travel through a vacuum

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There are three types of plate boundaries i.e Divergent, Convergent and____________...?

(A) Normal
(B) Transform

(C) Complex
(D) Plain

✅ Correct Answer: Transform

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What is the substance that causes undesirable change to the environment...?

(A) Climate Change
(B) Pollution

(C) Pollutant
(D) None

✅ Correct Answer: Pollutant

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Lactic Acid is found in ______...?

(A) Yogurt
(B) Milk

(C) Butter
(D) Ice Cream

✅ Correct Answer: Yogurt

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In which one of the following, the speed of sound is maximum...?

(A) Lead
(B) Brick

(C) Copper
(D) Aluminium

✅ Correct Answer: Aluminium

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Source: This question is taken from the Everyday Science

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The planet that moves round the Sun at the highest speed is_________...?

(A) Jupiter
(B) Venus

(C) Mars
(D) Mercury

✅ Correct Answer: Mercury

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Which of these are not found in the food web...?

(A) Air
(B) Sun

(C) Human
(D) None

✅ Correct Answer: Air

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Which one among the following is a hydrocarbon compound...?

(A) Candle wax
(B) Polyurethane

(C) Glycerol
(D) Aspirin

✅ Correct Answer: Candle wax

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An example of ionic compound is _____...?

(A) H
(B) CH

(C) N
(D) NaCl

✅ Correct Answer: NaCl

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Refraction of sound can occur in:...?

(A) Water
(B) Air

(C) Both A & B
(D) None of these

✅ Correct Answer: Both A & B

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In which of the following, the speed of sound is minimum...?

(A) Brick
(B) Air

(C) Lead
(D) Copper

✅ Correct Answer: Air

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Citric Acid found in ____...?

(A) Lemons
(B) Apple

(C) Mango
(D) Banana

✅ Correct Answer: Lemons

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The approximate intensity level of the sound which can cause damage to the ear drum is...?

(A) 20 dB
(B) 60 dB

(C) 100 dB
(D) 160 dB

✅ Correct Answer: 100 dB

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Sound waves first enter the ______...?

(A) Eardrum
(B) Cochlea

(C) Ear Canal
(D) Stirrup

✅ Correct Answer: Ear Canal

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Who is considered the founder of meteorology...?

(A) Aristotle
(B) Plato

(C) Einstein
(D) Newton

✅ Correct Answer: Aristotle

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The movement of earth around sun brings ________...?

(A) Tornadoes
(B) Rainfall

(C) Seasons
(D) Earthquakes

✅ Correct Answer: Seasons

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

(A) Mitochondria
(B) Nucleus

(C) Cell Wall
(D) Cytoplasm

✅ Correct Answer: Cytoplasm

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The matter that sound travels through is called the...?

(A) Frequency
(B) Medium

(C) Amplitude
(D) Vibration

✅ Correct Answer: Medium

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Gland responsible for heightened emotions is...?

(A) Pituitary gland
(B) Thoiroid gland

(C) Adrenal gland
(D) None of these

✅ Correct Answer: Adrenal gland

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Ibex is a wild alpine ________ found in Himalaya...?

(A) Dog
(B) Hen

(C) Sheep
(D) Goat

✅ Correct Answer: Goat

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Tibia is a bone found in the ____________...?

(A) Skull
(B) Arm

(C) Leg
(D) Face

✅ Correct Answer: Leg

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"A chemical compound always contains the same elements combined together in the same proportion or ratio" is the statement of ____...?

(A) Law of Multiple Proportions
(B) Law of Conservation of Mass

(C) Law of Reciprocal Proportions
(D) Law of Constant Composition

✅ Correct Answer: Law of Constant Composition

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How many blood vessels can be found in the Umbilical Cord...?

(A) Two
(B) One

(C) Four
(D) Three

✅ Correct Answer: Three

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Sound waves are _________ waves....?

(A) Transverse
(B) Electromagnetic

(C) Longitudinal
(D) None of these

✅ Correct Answer: Longitudinal

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The symbolic representation of molecule of a compound is called...?

(A) Equation
(B) Structure

(C) Formula
(D) Reaction

✅ Correct Answer: Formula

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Which one affects the speed of sound in the medium...?

(A) pressure
(B) humidity

(C) temperature
(D) all of the above

✅ Correct Answer: all of the above

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The cracking sound heard when dry hair is combed with a hard rubber comb is due to_________...?

(A) The hair barging against the charged comb
(B) Small electric sparks

(C) The rubbing of the comb with the hair
(D) None of the above

✅ Correct Answer: Small electric sparks

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Sound travels fastest in _______...?

(A) Air
(B) Water

(C) Diamond
(D) Steel

✅ Correct Answer: Diamond

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The solar wind creates a “bubble” around the solar system called...?

(A) Feliosphere
(B) Seliosphere

(C) Heliosphere
(D) Peliosphere

✅ Correct Answer: Heliosphere

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A satellite moving round the earth with a uniform speed has____________...?

(A) An accelerated motion
(B) No acceleration at all

(C) Uniform acceleration
(D) Uneven acceleration

✅ Correct Answer: Uniform acceleration

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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

✅ Correct Answer: Dew point is reached

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A reaction in which a new single compound is formed by the union of two or more substances is known as...?

(A) Decomposition Reaction
(B) Oxidation Reaction

(C) Addition Reaction
(D) Neutralization

✅ Correct Answer: Addition Reaction

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The second most abundant metal found in the earth’s crust is_____________...?

(A) Silicon
(B) Aluminium

(C) Calcium
(D) Sodium

✅ Correct Answer: Silicon

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What is caused by the revolution of the Earth around the Sun...?

(A) Day and Night
(B) Summer and Winter

(C) Tides
(D) Earthquakes

✅ Correct Answer: Summer and Winter

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Which gas among the following is responsible for global warming due to the greenhouse effect...?

(A) Oxygen (O2)
(B) Nitrogen (N2)

(C) Carbon Dioxide (CO2)
(D) Helium (He)

✅ Correct Answer: Carbon Dioxide (CO2)

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

(A) Air temperature
(B) Relative humidity

(C) Air pressure
(D) Air density

✅ Correct Answer: Air pressure

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Photosynthesis occurs during day time because it depends on...?

(A) Day activities
(B) Sunlight

(C) Brightness
(D) None

✅ Correct Answer: Sunlight

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Tartaric Acid is found in _____...?

(A) Orange and Mango
(B) Lemon and Apple

(C) Tamarind and Grapes
(D) All of these

✅ Correct Answer: Tamarind and Grapes

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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

✅ Correct Answer: Transpiration

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How many Number of eyes found in Earthworm...?

(A) One
(B) Many

(C) No eye
(D) Two

✅ Correct Answer: No eye

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What is responsible for the high resolution of the electron microscope...?

(A) High magnification
(B) Short wavelength of the electron beam

(C) Use of heavy metals strains
(D) Very thin section

✅ Correct Answer: Short wavelength of the electron beam

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The speed of the sound in diamond is _____...?

(A) 6000 m/s
(B) 12000 m/s

(C) 9000 m/s
(D) 15000 m/s

✅ Correct Answer: 12000 m/s

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Resolution of a microscope is defined as the smallest distance between _____ points....?

(A) One
(B) Two

(C) Three
(D) Four

✅ Correct Answer: Two

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The image formed in a compound microscope is_____________...?

(A) erect
(B) inverted

(C) sometimes erect, sometimes inverted
(D) none

✅ Correct Answer: inverted

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The gonads are the target organ for ______...?

(A) FSH
(B) LH

(C) Both a & b
(D) None of these

✅ Correct Answer: Both a & b

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Which statement about sound is true...?

(A) Sound can’t travel through  vacuum
(B) Sound can’t travel through  glass

(C) Sound can’t travel through  water
(D) Non of theses

✅ Correct Answer: Sound can’t travel through  vacuum

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Which gas is responsible for fermentation...?

(A) Carbon Dioxide
(B) Nitrogen

(C) Oxygen
(D) None

✅ Correct Answer: Carbon Dioxide

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Ultrasound has several uses in medicine and industry. Which one has use of ultrasound...?

(A) Absorption
(B) Pre-natal scanning

(C) Dispersion
(D) Measuring humidity of air

✅ Correct Answer: Pre-natal scanning

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The hottest stars are the blue stars and their temperature is around _____...?

(A) 25000°C
(B) 20000°C

(C) 15000°C
(D) 10000°C

✅ Correct Answer: 25000°C

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Speed of sound in air is _______km/h...?

(A) 1347
(B) 243

(C) 1235
(D) 1495

✅ Correct Answer: 1235

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Which are the found in fruits, vegetables, grains and sea food...?

(A) Minerals
(B) Enzymes

(C) Hormones
(D) Fats

✅ Correct Answer: Minerals

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Ascorbic Acid is found in ______...?

(A) Mangoes and Grapes
(B) Alma and Citrus Fruits

(C) Bananas and Apples
(D) Pineapples and Watermelon

✅ Correct Answer: Alma and Citrus Fruits

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The speed of sound in air at sea level is approximately____________...?

(A) 300 meter per second
(B) 320 meter per second

(C) 340 meters per second
(D) 370 meter per second

✅ Correct Answer: 340 meters per second

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Analysis deals with the identification of presence of functional groups in compounds is _______...?

(A) Physical qualitative analysis
(B) Analytical qualitative analysis

(C) Organic qualitative analysis
(D) Inorganic qualitative analysis

✅ Correct Answer: Organic qualitative analysis

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A communication satellite completes its one revolution around the Earth in ______ hours....?

(A) 6
(B) 12

(C) 18
(D) 24

✅ Correct Answer: 24

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The male gonads in rabbit are ______...?

(A) Testis
(B) Ovaries

(C) Scrotal sac
(D) Vas deferens

✅ Correct Answer: Testis

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In the periodic table, columns is considered to be a ____...?

(A) Periods
(B) Groups

(C) Zigzag
(D) Diagonal

✅ Correct Answer: Groups

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How many ounces in a pound...?

(A) 10
(B) 12

(C) 14
(D) 16

✅ Correct Answer: 16

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Which on of the following planets orbits around the sun in a clockwise direction...?

(A) Earth
(B) Mercury

(C) Jupiter
(D) Venus

✅ Correct Answer: Venus

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speed of sound in dry air at 20 °C is___________...?

(A) 353 m/s
(B) 345 m/s

(C) 343 m/s
(D) none of them

✅ Correct Answer: 343 m/s

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When sound waves travel from air to water which of the following quantities remains unchanged...?

(A) Speed
(B) Frequency

(C) Intensity
(D) Wavelength

✅ Correct Answer: Frequency

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Comets revolves around...?

(A) The sun
(B) The Moon

(C) The Earth
(D) Venus

✅ Correct Answer: The sun

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In which of the following, speed of the sound is maximum...?

(A) Gold
(B) Sea water

(C) Air
(D) Space

✅ Correct Answer: Gold

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At room temperature most of ionic compounds are ______...?

(A) Amorphous solids
(B) Crystalline solids

(C) Liquids
(D) Gases

✅ Correct Answer: Crystalline solids

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

(A) Mitochondria
(B) Ribosomes

(C) Lysosomes
(D) Chromosomes

✅ Correct Answer: Chromosomes

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The luster of diamond is due to_________...?

(A) Reflection
(B) Total internal reflection

(C) Refraction
(D) None of these

✅ Correct Answer: Total internal reflection

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Sound is a form of _____...?

(A) Electrical energy
(B) Thermal energy

(C) Mechanical energy
(D) Chemical energy

✅ Correct Answer: Mechanical energy

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

(A) Lycopene
(B) Beta Carotene

(C) Alpha Carotene
(D) All of these

✅ Correct Answer: Lycopene

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Microphone converts sound energy into ___________...?

(A) Microwaves
(B) Electrical signals

(C) Optical Signals
(D) Heat energy

✅ Correct Answer: Electrical signals

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The characteristic of sound by which we can differentiate between shrill and grave sound is _____...?

(A) Loudness
(B) Timbre

(C) Tone
(D) Pitch

✅ Correct Answer: Pitch

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In NaCl crystal lattice each Na ion is surrounded by ______...?

(A) 6 Cl^- ions
(B) 6 Na^+ ions

(C) 8 Cl^- ions
(D) 12 Cl^- ions

✅ Correct Answer: 6 Cl^- ions

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The average acceleration caused by gravity per second is____________...?

(A) 22 feet
(B) 32 feet

(C) 52 feet
(D) 42 feet

✅ Correct Answer: 32 feet

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Among the following, which substance is not a compound...?

(A) H2O
(B) Mg

(C) CO2
(D) NaCl

✅ Correct Answer: Mg

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Sun is moving around the centre of the galaxy at a velocity of _______ km/s...?

(A) 205
(B) 210

(C) 215
(D) 220

✅ Correct Answer: 220

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Earth revolves around the sun from...?

(A) East to West
(B) West to East

(C) South to North
(D) North to South

✅ Correct Answer: West to East

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The rod cells of retina are responsible for vision in...?

(A) Bright Light
(B) Dim light

(C) Summary atmosphere
(D) Shiny atmosphere

✅ Correct Answer: Dim light

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Sound cannot travel through __________...?

(A) Solid
(B) Liquid

(C) Gases
(D) Vaccum

✅ Correct Answer: Vaccum

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______ is the “Work done in moving a unit charge between two points in an electric circuit”...?

(A) Potential difference
(B) Current

(C) Power
(D) Resistence

✅ Correct Answer: Potential difference

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Sound travels_______ in solid materials then liquid...?

(A) Constant
(B) Slowest

(C) Fastest
(D) None of these

✅ Correct Answer: Fastest

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The speed of sound is minimum in _____...?

(A) Solids
(B) Liquids

(C) Gases
(D) Plasma

✅ Correct Answer: Gases

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How many ounces in a kg...?

(A) 28
(B) 30

(C) 33
(D) 35

✅ Correct Answer: 35

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Which isotope is used to study the uptake of phosphorus containing fertilizers...?

(A) Phosphorus - 32
(B) Carbon - 14

(C) Lead - 210
(D) Nitrogen - 15

✅ Correct Answer: Phosphorus - 32

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A man pulls a crate of mass 25 kg across the leveled ground with a horizontal force of 60 N. A constant force of friction of 20 N acts on the sledge. What is the acceleration of the sledge...?

(A) 0.63 ms^-2
(B) 1.6 ms^-2

(C) 2.4 ms^-2
(D) 3.2 ms^-2

✅ Correct Answer: 1.6 ms^-2

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How many years our solar system takes to one orbit around Milky Way galaxy...?

(A) 250
(B) 225

(C) 300
(D) 275

✅ Correct Answer: 250

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The freezing point depends upon _______...?

(A) Nature of liquid
(B) Pressure

(C) Temperature
(D) Volume

✅ Correct Answer: Pressure

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The speed of sound is maximum in _____...?

(A) Gases
(B) Solids

(C) Liquids
(D) Plasma

✅ Correct Answer: Solids

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How many rows and columns are in the modern Periodic Table...?

(A) 18 columns and 7 rows
(B) 12 columns and 9 rows

(C) 7 columns and 18 rows
(D) 25 columns and 15 rows

✅ Correct Answer: 18 columns and 7 rows

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The Renaissance scientist who explained how planets moved around the sun was...?

(A) Kepler
(B) Rebelais

(C) Francis Bacorr
(D) Gutenber

✅ Correct Answer: Kepler

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Echo is a ___________ of sound...?

(A) Reflection
(B) Refraction

(C) Interference
(D) None

✅ Correct Answer: Reflection

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The Sun has temperature of around 6,000 °C and glows ____...?

(A) Red
(B) Blue

(C) Green
(D) Orange/Yellow

✅ Correct Answer: Orange/Yellow

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The speed of sound in air is ______...?

(A) 332 m/s
(B) 345 m/s

(C) 333 m/s
(D) 354 m/s

✅ Correct Answer: 332 m/s

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Who is the founder of solar system...?

(A) Copernicus
(B) Newton

(C) Galileo
(D) Kepler

✅ Correct Answer: Copernicus

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

(A) Strait
(B) Bay

(C) Peninsula
(D) Gulf

✅ Correct Answer: Peninsula

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The approximate value of the speed of sound in air at 0°C temperature ______...?

(A) 332 m/s
(B) 34 m/s

(C) 17 m/s
(D) 680 m/s

✅ Correct Answer: 332 m/s

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Escape velocity depends on ________...?

(A) Mass of the object trying to escape
(B) Radius of the planet or celestial body

(C) Both mass and radius of the planet or celestial body
(D) The velocity of the rotating planet

✅ Correct Answer: Both mass and radius of the planet or celestial body

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Shortest distance between two points is called...?

(A) Distance
(B) Speed

(C) Displacement
(D) Velocity

✅ Correct Answer: Displacement

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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

✅ Correct Answer: Condensation

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A Fahrenheit thermometer indicates a temperature of ‘ 14°F. its corresponding reading on the Celsius scale will be _________...?

(A) – 2O°C
(B) – 10°C

(C) + 10°C
(D) + 20°C

✅ Correct Answer: – 10°C

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Elastic rebound theory explains:...?

(A) formation of rocks
(B) structure of solids

(C) causes of earthquake
(D) None of these

✅ Correct Answer: causes of earthquake

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The mineral ion responsible for the conduction of nerve impulses is...?

(A) Calcium
(B) Sodium

(C) Potassium
(D) None of these

✅ Correct Answer: Potassium

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Founder of modern astronomy was _________________...?

(A) Archimedes
(B) William Gilbert

(C) Nicolas Copernicus
(D) Michael Faraday

✅ Correct Answer: Nicolas Copernicus

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Black gold is an oil; Black diamond is_________...?

(A) Copper
(B) Iron

(C) Coal
(D) Wood

✅ Correct Answer: Coal

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The time taken by Sun to revolve around the center of our galaxy is___________...?

(A) 150 million years
(B) 250 million years

(C) 300 millon years
(D) 350 millon years

✅ Correct Answer: 250 million years

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A loudspeaker changes _________ energy into sound energy....?

(A) Chemical
(B) Electrical

(C) Light
(D) Kinetic

✅ Correct Answer: Electrical

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Which of the following chemicals is not found in tobacco smoke...?

(A) Chlorine bleach
(B) Rocket fuel

(C) Nail polish remover
(D) Barbecue lighter fluid

✅ Correct Answer: Nail polish remover

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What is the third most common gas found in the air we breathe ________ ...?

(A) Hydrogen
(B) Neon

(C) Carbondioxide
(D) Argon

✅ Correct Answer: Argon

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The Earth takes ______ to revolve around the sun....?

(A) 365 days and 4 hours
(B) 365 days and 6 hours

(C) 365 days and 8 hours
(D) 365 days and 10 hours

✅ Correct Answer: 365 days and 6 hours

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According to World Health Organization (WHO), the industrial limit of sound in the industries must be...?

(A) 80 dB
(B) 75 dB

(C) 85 dB
(D) 100 dB

✅ Correct Answer: 75 dB

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A single compound breaks down to form two or more simpler substances are called...?

(A) Combination Reaction
(B) Decomposition Reaction

(C) Neutralization Reaction
(D) Addition Reaction

✅ Correct Answer: Decomposition Reaction

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A thick layer of air that surrounds the earth is known as...?

(A) Ozone
(B) Atmosphere

(C) Stratosphere
(D) Hydrosphere

✅ Correct Answer: Atmosphere

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Chloroplast is double membrane bounded organelle have semifluid protein containing membrane called ____...?

(A) Stroma
(B) Nucleus

(C) Mitochondria
(D) Cytosol

✅ Correct Answer: Stroma

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A (an) ________ is the smallest possible particle of an element that can combine to form new compounds....?

(A) Molecule
(B) Atom

(C) Compound
(D) Element

✅ Correct Answer: Atom

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Which of the following is a five-carbon compound in the Kreb's cycle...?

(A) Fumaric acid
(B) Citric acid

(C) Malic acid
(D) Alpha-ketoglutarate

✅ Correct Answer: Alpha-ketoglutarate

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Ozone is a gas found in the layer...?

(A) Troposphere
(B) Mesosphere

(C) Stratosphere
(D) Exosphere

✅ Correct Answer: Stratosphere

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Sound waves travel in solvents in the form of _____...?

(A) Transverse Waves
(B) Longitudinal Waves

(C) Electromagnetic Waves
(D) Mechanical Waves

✅ Correct Answer: Longitudinal Waves

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Sound travels in air at an average speed of nearly________ ...?

(A) 1257 miles per hour
(B) 755 miles per hour

(C) 330 miles per hour
(D) None of these

✅ Correct Answer: 755 miles per hour

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Which of the following is the world’s loudest bird ...?

(A) White bellbird
(B) Peacock

(C) Piha
(D) None of the above

✅ Correct Answer: White bellbird

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The time in which Earth completes its revolution around the Sun is________...?

(A) 365.25 days
(B) 340 days

(C) 325 days
(D) 360 days

✅ Correct Answer: 365.25 days

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Which of the following is responsible for largest amount of oxygen on earth...?

(A) Peat bogs
(B) Algae

(C) Trees
(D) None of these

✅ Correct Answer: Algae

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Velocity of sound in air does not change with the change of...?

(A) Temperature of air
(B) Pressure of air

(C) Moisture content in air
(D) Wind in the direction of propagation of sound

✅ Correct Answer: Pressure of air

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The heaviest man made element found so for is__________...?

(A) Promethium
(B) Ununoctium

(C) Francium
(D) Technetium

✅ Correct Answer: Ununoctium

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The earth revolves around the sun at a speed of__________...?

(A) 18.5 km/sec
(B) 26.6 km/sec

(C) 29 km/sec
(D) 31.9 km/sec

✅ Correct Answer: 29 km/sec

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Which of the following is an example of compound machine...?

(A) Scissors
(B) Pliers

(C) Pulley
(D) None

✅ Correct Answer: Scissors

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An edible underground stem is...?

(A) Ginger
(B) Sweet-potato

(C) Sugarcane
(D) Radish

✅ Correct Answer: Ginger

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He was the first scientist to prove that Planets move around the sun...?

(A) Archimedes
(B) Galileo Galilei

(C) John Kepler
(D) None

✅ Correct Answer: Galileo Galilei

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Mobile Phone Convert sound into ______...?

(A) Sound wave
(B) U/V waves

(C) Microwaves
(D) Radio waves

✅ Correct Answer: Radio waves

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The Planet which revolves slowly around the Sun is__________...?

(A) Mercury
(B) Mars

(C) Earth
(D) Neptune

✅ Correct Answer: Neptune

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When sound wave travels from one place to another, what is transported...?

(A) Matter
(B) Momentum

(C) Energy
(D) Velocity

✅ Correct Answer: Energy

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Which mineral is the present in whole wheat, bananas, peas, prunes, oysters, liver, kidney, grains and legumes...?

(A) Copper
(B) Magnesium

(C) Sodium
(D) Iron

✅ Correct Answer: Copper

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The separation between two consecutive compressions of the sound wave is called...?

(A) Time period
(B) Frequency

(C) Amplitude
(D) Wavelength

✅ Correct Answer: Wavelength

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The sounds of which frequency are human beings most sensitive...?

(A) 400 hertz
(B) 20 hertz

(C) 20000 hertz
(D) 5000 hertz

✅ Correct Answer: 5000 hertz

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In how many days pluto revolves around the sun _____...?

(A) 88 years
(B) 248 years

(C) 12 years
(D) 84 years

✅ Correct Answer: 248 years

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The natural world that surrounds a living and non-living things is called...?

(A) Ecosystem
(B) Environment

(C) Habitat
(D) Biodiversity

✅ Correct Answer: Environment

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Lake, sea, wetland, river, ocean, pond is/are an examples of...?

(A) Water Environments
(B) Land Environments

(C) Both A and B
(D) None

✅ Correct Answer: Water Environments

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The two factors that affect the speed of sound in air are ______...?

(A) Humidity and volume of the air
(B) Temperature and mass of the air

(C) Volume and mass of the air
(D) Temperature and humidity of the air

✅ Correct Answer: Temperature and humidity of the air

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In a compound microscope, as compared to an objective, the eyepiece lens has a focal length _____...?

(A) Zero
(B) Small

(C) Negative
(D) Large

✅ Correct Answer: Small

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Cell organelle found in animal cell and help intracellular digestion...?

(A) Lysosome
(B) Ribosomes

(C) Mitochondria
(D) Golgi apparatus

✅ Correct Answer: Lysosome

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Vitamin C is found in_________...?

(A) Sea Food
(B) Seeds

(C) Fruits and Vegetables
(D) None of these

✅ Correct Answer: Fruits and Vegetables

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Speed of sound in air per second is :...?

(A) 250 meters
(B) 331 meters

(C) 434 meters
(D) 343.2 meters

✅ Correct Answer: 343.2 meters

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The areas around the North and South poles within the Polar circles is called _____________...?

(A) The Torrid Zone
(B) The Frigid Zone

(C) The Temperature Zone
(D) The Hardiness Zone

✅ Correct Answer: The Frigid Zone

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The speed of the sound in air is ______...?

(A) 143 m/s
(B) 243 m/s

(C) 343 m/s
(D) 443 m/s

✅ Correct Answer: 343 m/s

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The coolest stars are the red stars and their temperature is around ____...?

(A) 2000°C
(B) 3000°C

(C) 4000°C
(D) 5000°C

✅ Correct Answer: 3000°C

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Strength of intermolecular forces from ionic or covalent bond is _______...?

(A) Weaker
(B) Stronger

(C) Equal
(D) None of above

✅ Correct Answer: Weaker

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________ is an instrument used in determining the directions of movement of clouds....?

(A) Nephoscope
(B) Stethoscope

(C) Metroscope
(D) None of the above

✅ Correct Answer: Nephoscope

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If order and corresponding element of the matrices are same then matrices are said to be...?

(A) scalar
(B) diagonal

(C) equal
(D) rectangular

✅ Correct Answer: equal

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The muscle which is responsible to straighten the limb is _______...?

(A) Ligament
(B) Skeleton muscle

(C) Flexor
(D) Extensor

✅ Correct Answer: Extensor

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Sound travels slowest in which one of the following...?

(A) Air
(B) Water

(C) Steel
(D) Diamond

✅ Correct Answer: Air

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

(A) High Frequency
(B) Low Frequency

(C) High Amplitude
(D) Low Amplitude

✅ Correct Answer: High Amplitude

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A form of energy which can be found in the nucleus of an atom of an element...?

(A) Kinetic Energy
(B) Potential Energy

(C) Nuclear Energy
(D) Chemical Energy

✅ Correct Answer: Nuclear Energy

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It is observed that the total pressure exerted by air on the man of average size is around 14.7 lb wt. per square inch. But the man feels quite comfortable,. It is because of__________...?

(A) An equal and opposite pressure acts from inside
(B) of the height of a man

(C) of gravity
(D) Earth pulls the man upward

✅ Correct Answer: An equal and opposite pressure acts from inside

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Which of the following blood pressure readings indicates hypotension (low blood pressure)...?

(A) 140/90 mmHg
(B) 120/80 mmHg

(C) 90/60 mmHg
(D) 60/90 mmHg

✅ Correct Answer: 60/90 mmHg

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What do we call when the sound of frequency will be below 20 Hz...?

(A) Audio sounds
(B) Infrasonic

(C) Ultrasonic
(D) Supersonics

✅ Correct Answer: Infrasonic

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Process where nitrogenous compound of living organism convert into nitrates is called...?

(A) Ammonification
(B) Nitrification

(C) Denitrification
(D) Deamination

✅ Correct Answer: Nitrification

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In which of the following Vitamin B is found...?

(A) Vegetables
(B) Whole wheat grains

(C) Fresh meat
(D) All of these

✅ Correct Answer: All of these

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The frequency of ultrasound wave is typically...?

(A) Above 20 kHz
(B) Above 20,000 kHz

(C) Below 20 kHz
(D) Below 02 kHz

✅ Correct Answer: Above 20 kHz

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_____ is the term used for breeding of fish specially constructed zonks and ponds....?

(A) Horticulture
(B) Agriculture

(C) Pisciculture
(D) Vitirsilture

✅ Correct Answer: Pisciculture

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Which cells are responsible for vision in bright light and coloured vision...?

(A) Rod Cells
(B) Cone Cells

(C) Bipolar Cells
(D) Ganglion Cells

✅ Correct Answer: Cone Cells

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The protons and neutrons are found in the center of the atom, which is called the _________of the atom...?

(A) Nucleus
(B) Headquarters

(C) Hub
(D) None of These

✅ Correct Answer: Nucleus

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Sun revolves around milky way in about _____ million years....?

(A) 225
(B) 230

(C) 245
(D) 250

✅ Correct Answer: 230

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Diamond is an allotropic form of_______...?

(A) Carbon
(B) Hydrogen

(C) Nitrogen
(D) Silicon

✅ Correct Answer: Carbon

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Vertebrates animals that take on the temperature of their surrounding are called...?

(A) Cold-blooded
(B) Warm-blooded

(C) Both A and B
(D) None

✅ Correct Answer: Cold-blooded

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A ______ is an inclined plane wrapped around a cylinder, used to fasten objects....?

(A) Screw
(B) Lever

(C) Pulley
(D) Wheel

✅ Correct Answer: Screw

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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

✅ Correct Answer: 1474 m/s

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What are Columns in Periodic table called...?

(A) Period
(B) Group

(C) Verticals
(D) Perpendiculars

✅ Correct Answer: Group

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

(A) 2
(B) 3

(C) 4
(D) 5

✅ Correct Answer: 4

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The speed of sound in aluminium is _____...?

(A) 5620 m/s
(B) 6420 m/s

(C) 7220 m/s
(D) 4820 m/s

✅ Correct Answer: 6420 m/s

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Insects responsible for transmitting diseases are called___________...?

(A) Drones
(B) Vectors

(C) Hybirds
(D) None of these

✅ Correct Answer: Vectors

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In a concave mirror, the image size depends upon _____...?

(A) Size of the object
(B) Area covered by the object

(C) Position of the object
(D) The shape of the object

✅ Correct Answer: Position of the object

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Orbital period of the planet Mercury around the sun is _____________...?

(A) 88 days
(B) 365 days

(C) 2 years
(D) 98 days

✅ Correct Answer: 88 days

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The strength of wave action depends on all these EXCEPT:...?

(A) Currents in the sea
(B) Wind strength

(C) Depth of coastal water
(D) Height of waves

✅ Correct Answer: Currents in the sea

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Maxilla bones are found in___________...?

(A) Jaw
(B) Toe

(C) Ear
(D) Stomach

✅ Correct Answer: Jaw

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The echo (reflected sounD. will be distinctly heard only at ordinary temperatures if the distance of the reflecting surfaces from the source of sound is at least ________...?

(A) 1120 ft
(B) 120 ft

(C) 56 ft
(D) 100 ft

✅ Correct Answer: 56 ft

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Which of the following are the layers of the body wall in sponges...?

(A) Pinacoderm and mesoderm
(B) Pinacoderm and choanoderm

(C) Epidermis and choanoderm
(D) Pinacoderm and ectoderm

✅ Correct Answer: Pinacoderm and choanoderm

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There are almost _______of nephrons in the each kidney in human body...?

(A) 5 million
(B) 3 million

(C) 1 million
(D) 10 million

✅ Correct Answer: 1 million

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Only male frog produce croacking sound because _________ ...?

(A) Male frog can magnify their voice with the help of sound box.
(B) Male frog have three pair of vocal cord

(C) Female frog have larynx but no vocal cord
(D) Female frog have no larynx

✅ Correct Answer: Female frog have no larynx

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_________ means a line on a map connecting points having the same atmospheric pressure at a given time or on average over a given period....?

(A) Isobar
(B) Isobath

(C) Isohel
(D) Isohyet

✅ Correct Answer: Isobar

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A process by which solvent passes through a porous membrane called...?

(A) Filtration
(B) Distillation

(C) Osmosis
(D) Sedimentation

✅ Correct Answer: Osmosis

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Coleoptile is a structure found in _____...?

(A) Maize Seed
(B) Bean Seed

(C) Both A and B
(D) None

✅ Correct Answer: Maize Seed

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Bees must collect nectar from approximately how many flowers to make 1 pound of Honeycomb....?

(A) 20 million
(B) 1 million

(C) 5 million
(D) None of these

✅ Correct Answer: 20 million

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Particle clouds from where stars are formed are known as____________...?

(A) Stellar nurseries
(B) Star clouds

(C) Event horizons
(D) Singularities

✅ Correct Answer: Stellar nurseries

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You can sprinkle iron filings around a magnet. Where will iron filings be attracted more...?

(A) At the center of the magnet
(B) Equally all over the magnet

(C) Nowhere, as iron filings are not attracted to magnets
(D) At the poles

✅ Correct Answer: At the poles

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How many grams in a pound...?

(A) 451
(B) 453

(C) 455
(D) 457

✅ Correct Answer: 453

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

(A) Chlorophyll
(B) Beta-carotene

(C) Lycopene
(D) Anthocyanin

✅ Correct Answer: Lycopene

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Which of the following gas mainly responsible for ozone layer depletion...?

(A) Chlorofluorocarbon
(B) CO2

(C) Nitrogen oxide
(D) Sulphur dioxide

✅ Correct Answer: Chlorofluorocarbon

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The number of vibrations produced by a vibrating body in a second is called...?

(A) Velocity
(B) Amplitude

(C) Frequency
(D) Wavelength

✅ Correct Answer: Frequency

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Which group of compounds constitute carbohydrates...?

(A) Sugar and proteins
(B) Starch and proteins

(C) Starch and sugar
(D) None of these

✅ Correct Answer: Starch and sugar

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The maize seed is surrounded by a seed coat and it has an opening called...?

(A) Micropyle
(B) Embryo

(C) Endosperm
(D) None

✅ Correct Answer: Micropyle

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The Sun has temperature of around _____...?

(A) 3000 °C
(B) 6000 °C

(C) 4000 °C
(D) 5000 °C

✅ Correct Answer: 6000 °C

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

(A) Mezosphere
(B) Ionosphere

(C) Hydrosphere
(D) None of these

✅ Correct Answer: Hydrosphere

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Name the branch of science which deals with the study of sound and sound waves...?

(A) Aeronautics
(B) Acoustics

(C) Aerostatics
(D) Aetiology

✅ Correct Answer: Acoustics

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Mostly which gases found of the planet Jupiter...?

(A) Hydrogen
(B) Chlorine

(C) Hydrogen and Helium
(D) Neon

✅ Correct Answer: Hydrogen and Helium

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Vitamin A is found in the____________...?

(A) Green vegetables
(B) white vegetables

(C) Yellow vegetables
(D) Red vegetables

✅ Correct Answer: Green vegetables

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Which of the following is used for hearing the sound of heart and lungs...?

(A) Steroscope
(B) Stethoscope

(C) Oscillator
(D) Oncolator

✅ Correct Answer: Stethoscope

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Source: This question is taken from the Everyday Science

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Girl is riding a bicycle. She covers a distance of 150 meters is 5 seconds. The cycling speed of a girl is...?

(A) 20 m/s
(B) 30 m/s

(C) 40 m/s
(D) 50 m/s

✅ Correct Answer: 30 m/s

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Source: This question is taken from the Everyday Science

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A thick permeable layer around the plant cell is called...?

(A) Cell Wall
(B) Cytoplasm

(C) Cell Membrane
(D) None

✅ Correct Answer: Cell Wall

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Source: This question is taken from the Everyday Science

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Moon light reaches to earth in___________seconds...?

(A) 0.3 seconds
(B) 1.3 seconds

(C) 2.3 seconds
(D) 3.3 seconds

✅ Correct Answer: 1.3 seconds

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Source: This question is taken from the Everyday Science

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Which of the following bonds are weakest in nature...?

(A) Single bond
(B) Double bond

(C) Triple bond
(D) Hydrogen bond

✅ Correct Answer: Hydrogen bond

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Source: This question is taken from the Everyday Science

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The optic nerve which is found in the human brain is also called ___________...?

(A) Second cranial nerve
(B) Mini nervous

(C) Carnival nerve
(D) Sustained nerve

✅ Correct Answer: Second cranial nerve

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Source: This question is taken from the Everyday Science

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How many coloumns in the modern Periodic Table...?

(A) 17
(B) 18

(C) 19
(D) None of these.

✅ Correct Answer: 18

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Source: This question is taken from the Everyday Science

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Which are containing air, liquid or food particles found in the cytoplasm and are small and numerous...?

(A) Vacuoles
(B) Ribosomes

(C) Lysosomes
(D) Mitochondria

✅ Correct Answer: Vacuoles

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Source: This question is taken from the Everyday Science

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Plasmids are most often found in:...?

(A) Bacteria
(B) Virus

(C) Fungi
(D) Viroid

✅ Correct Answer: Bacteria

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Source: This question is taken from the Everyday Science

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

(A) Gas → Liquid → Solid
(B) Liquid → Solid → Gas

(C) Solid → Liquid → Gas
(D) Gas → Solid → Liquid

✅ Correct Answer: Solid → Liquid → Gas

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Source: This question is taken from the Everyday Science

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Fats are found in...?

(A) Oil and Butter
(B) Margarine and Seeds

(C) Nuts
(D) All of these

✅ Correct Answer: All of these

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Source: This question is taken from the Everyday Science

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Which animal can create the loudest sound among any living creature...?

(A) Donkey
(B) Monkey

(C) Humpback whales
(D) None of these

✅ Correct Answer: Humpback whales

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Source: This question is taken from the Everyday Science

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The theory of Expanding Universe was first propounded by____________...?

(A) Einstein
(B) Newton

(C) Gahleo
(D) Hubble

✅ Correct Answer: Hubble

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Source: This question is taken from the Everyday Science

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Which of the following is an outcome if condensation...?

(A) Boiling
(B) Freezing

(C) Dew
(D) Moisture

✅ Correct Answer: Dew

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Source: This question is taken from the Everyday Science

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The germination (bean seed) in which the cotyledons comes above the ground...?

(A) Hypogeal Germination
(B) Micropyle Germination

(C) Testa Germination
(D) Epigeal Germination

✅ Correct Answer: Epigeal Germination

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Source: This question is taken from the Everyday Science

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Vitamin B is found in__________...?

(A) Sea Foods
(B) Fruits and Vegetables

(C) Seeds
(D) None of these

✅ Correct Answer: Seeds

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Source: This question is taken from the Everyday Science

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Which compound is known as lunar caustic...?

(A) KNO3
(B) AgNO3

(C) NaOH
(D) NaNO3

✅ Correct Answer: AgNO3

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Source: This question is taken from the Everyday Science

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Fats are found in following except...?

(A) Oil
(B) Margarine

(C) Vegetables
(D) Nuts

✅ Correct Answer: Vegetables

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Source: This question is taken from the Everyday Science

Latest MCQs

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

✅ Correct Answer: Solid molecules are packed tightly

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Source: This question is taken from the Everyday Science

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The power of combining of an atom with other atoms to form molecules or compounds is called...?

(A) Atomic Mass
(B) Valency

(C) Electronegativity
(D) Ionization Energy

✅ Correct Answer: Valency

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Source: This question is taken from the Everyday Science

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Which substance expands the most; for the same rise in temperature...?

(A) Water
(B) Air

(C) Copper
(D) Class

✅ Correct Answer: Air

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Source: This question is taken from the Everyday Science

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Foundation of life based on _____...?

(A) Physical foundation
(B) Biological foundation

(C) Environmental foundation
(D) Chemical foundation

✅ Correct Answer: Chemical foundation

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Source: This question is taken from the Everyday Science

Latest MCQs

Which one of the following clouds is found at the highest level in the atmospher...?

(A) Stratus
(B) Cumulus

(C) Stratocumulus
(D) Cirrus

✅ Correct Answer: Cirrus

Comments

Source: This question is taken from the Everyday Science

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