The abrasives are ______...? Mcqs

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The abrasives are ______...?

(A) Water
(B) Water insoluble minerals

(C) Water semi soluble minerals
(D) Water absorving minerals

✅ Correct Answer: Water insoluble minerals

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Source: This question is taken from the Everyday Science

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The deficiency of vitamin K causes ________ ...?

(A) Loss of appetite
(B) Scurvy

(C) Sterility
(D) Blood clotting disorder

✅ Correct Answer: Blood clotting disorder

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Source: This question is taken from the Everyday Science

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Solution of biological problem starts with ______...?

(A) Hypothesis
(B) Experimentation

(C) Conclusion
(D) Observation

✅ Correct Answer: Observation

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The deficiency of vitamin E causes _______ ...?

(A) Weak immune system
(B) Weak bones

(C) Lack of appetite
(D) Sterility

✅ Correct Answer: Sterility

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Source: This question is taken from the Everyday Science

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

(A) The value of ‘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

✅ Correct Answer: Of the viscous force in water

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The most abundant element in the Earth’s crust is __________...?

(A) Oxygen
(B) Hydrogen

(C) Carbon Dioxide
(D) Silicon

✅ Correct Answer: Oxygen

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pH value of water is _________...?

(A) 5
(B) 5-6

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

✅ Correct Answer: 6.5-8.5

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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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The audible range of normal dog ear is ______...?

(A) 16 Hz to 20kHz
(B) 10 Hz to 31kHz

(C) 67 Hz to 45kHz
(D) 20 Hz to 20kHz

✅ Correct Answer: 67 Hz to 45kHz

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Drugs that slow normal brain functioning are categorized as ______...?

(A) Narcotics
(B) Hallucinogen

(C) Marijuana
(D) Sedatives

✅ Correct Answer: Sedatives

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

(A) 30°F
(B) 32°F

(C) 34°F
(D) 100°F

✅ Correct Answer: 32°F

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The most suitable unit for expressing nuclear radius is_______...?

(A) Angstrom
(B) Micro

(C) Nano meter
(D) Fermi

✅ Correct Answer: Fermi

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Presence of enzyme does not affect the nature or properties of ______...?

(A) Reactants
(B) Reaction rate

(C) End products
(D) Activation energy

✅ Correct Answer: End products

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The solubility of a solute substance increases _____...?

(A) As the liquid cools down
(B) As the liquid becomes more concentrated

(C) As the liquid heats up
(D) As the liquid becomes more diluted

✅ Correct Answer: As the liquid heats up

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Exposure to sunlight helps a person improve his health because ________...?

(A) Resistance power increases
(B) The infrared light kills bacteria in the body

(C) The ultraviolet rays convert skin oil into Vitamin D
(D) The pigment cells in the skin get stimulated and produce a healthy tan

✅ Correct Answer: The ultraviolet rays convert skin oil into Vitamin

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Sound travels fastest in _______...?

(A) Air
(B) Water

(C) Diamond
(D) Steel

✅ Correct Answer: Diamond

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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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Albatros is__________...?

(A) A sea bird
(B) A beetle

(C) A fruit
(D) None

✅ Correct Answer: A sea bird

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Fuel used in a Fast Breeder Reactor is _____________...?

(A) Uranium Oxide
(B) Uranium Plutonium carbide

(C) Uranium Plutonium Oxide
(D) Uranium thorium Oxide

✅ Correct Answer: Uranium Plutonium Oxide

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The discovery of neutron became very late because _______ ...?

(A) It does not carry any charge
(B) It does not move

(C) It is a fundamental particle
(D) It is present in nucleus

✅ Correct Answer: It does not carry any charge

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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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In middle latitudes, which cloud will have the lowest base ________________________ ...?

(A) Cirrostratus
(B) Stratocumulus

(C) Altocumulus
(D) Cirrus

✅ Correct Answer: Stratocumulus

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The nearest Star to the planet earth is ________ ...?

(A) Regel
(B) Canopus

(C) Sun
(D) Betelgeuse

✅ Correct Answer: Sun

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The chief constituents of gobar gas is_________...?

(A) Methane
(B) Oxygen

(C) Hydrogen
(D) Carbon monoxide

✅ Correct Answer: Methane

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The cause of malaria is _____...?

(A) Bacteria
(B) Virus

(C) Plasmodium
(D) Fungus

✅ Correct Answer: Plasmodium

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Lactose is ______...?

(A) Grape sugar
(B) Honey sugar

(C) Milk sugar
(D) Cane sugar

✅ Correct Answer: Milk sugar

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The audible range of normal elephant ear is ______...?

(A) 16 Hz to 20kHz
(B) 10 Hz to 31kHz

(C) 67 Hz to 45kHz
(D) 20 Hz to 20kHz

✅ Correct Answer: 16 Hz to 20kHz

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The main cause of floods in the river is__________...?

(A) Heavy snowfall
(B) Earthquakes

(C) Deforestation
(D) Construction of dams

✅ Correct Answer: Deforestation

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The atomic mass of an element expressed in gram is ______...?

(A) Gram molecular mass
(B) Gram atomic mass

(C) Gram formula mass
(D) Mole

✅ Correct Answer: Gram atomic mass

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Bolometer measures: ____________...?

(A) Breadith of tree
(B) Burning capacity

(C) Heat radiation
(D) Bearing capacity

✅ Correct Answer: Heat radiation

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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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The type of coordination through electrochemical signals is _______...?

(A) Nervous
(B) Chemical

(C) Mechanical
(D) All of these

✅ Correct Answer: Nervous

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The SI base unit for mass is_____________...?

(A) Gram
(B) Pound

(C) Kilogram
(D) Ounce

✅ Correct Answer: Kilogram

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The nearest planet to the Earth is _________...?

(A) Venus
(B) Mercury

(C) Mars
(D) Moon

✅ Correct Answer: Venus

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A blood alcohol level above ________ will often result in death:...?

(A) 0.10
(B) 0.20

(C) 0.30
(D) 0.41

✅ Correct Answer: 0.41

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Preservatives are used to preserve _______...?

(A) Acids
(B) Bases

(C) Food
(D) Water

✅ Correct Answer: Food

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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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Water vapor is ______________...?

(A) A gas
(B) A cloud droplet

(C) A rain drop
(D) A snowflake

✅ Correct Answer: A gas

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The most abundant constituent in Air is ______...?

(A) Hydrogen
(B) Oxygen

(C) Nitrogen
(D) Carbon Dioxide

✅ Correct Answer: Nitrogen

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The group of minerals chemically containing hydrocarbons is_______...?

(A) Silicate group
(B) Organic group

(C) Oxide group
(D) Hydride group

✅ Correct Answer: Organic group

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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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The audible range of normal bat ear is ______...?

(A) 20 Hz to 120 kHz
(B) 20 Hz to 20 kHz

(C) 20 kHz to 110 kHz
(D) 20 Hz to 50 KHz

✅ Correct Answer: 20 kHz to 110 kHz

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The symbol denotes the proton number is ______...?

(A) P
(B) N

(C) Z
(D) A

✅ Correct Answer: Z

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Smallest animal is _________...?

(A) Skunk
(B) Gorilla

(C) Tiger
(D) Cat

✅ Correct Answer: Skunk

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The density of water is __________...?

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

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

✅ Correct Answer: 1 g/cm3

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A chronometer meter measures __________ ...?

(A) Water waves
(B) Color contrast

(C) Time
(D) Sound waves

✅ Correct Answer: Time

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The instrument which i specially design for recording earth quake wave is called seismograph which measure earth quake waves on a ____________...?

(A) Diatonic scale
(B) Fahrenheit Scale

(C) Richter scale
(D) Celsius Scale

✅ Correct Answer: Richter scale

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The most densest substance on the Earth is __________....?

(A) Platinum
(B) Copper

(C) Steel
(D) Osmium

✅ Correct Answer: Osmium

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Which one of the following can be synthesized by Liver _______...?

(A) Vitamin B6
(B) Vitamin B12

(C) Vitamin K
(D) Vitamin E

✅ Correct Answer: Vitamin K

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The part of an eye acting as a diaphragm of camera is ______...?

(A) Cornea
(B) Lens

(C) Iris
(D) Retina

✅ Correct Answer: Iris

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The chemical name of bauxite _______ ...?

(A) Aluminium Oxide
(B) Aluminium Chloride

(C) Aluminium Sulphite
(D) None of the above

✅ Correct Answer: Aluminium Oxide

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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

✅ Correct Answer: 32°F, 212°F

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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

✅ Correct Answer: Surface tension

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Instrument used for measuring very high temperature is __________...?

(A) Pyroscope
(B) Pyrometer

(C) Seismograph
(D) Xylometer

✅ Correct Answer: Pyrometer

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The color that is least deviated by a prism ______...?

(A) Violet ray
(B) Red ray

(C) Green ray
(D) Yellow ray

✅ Correct Answer: Red ray

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

(A) Surface tension
(B) Viscosity

(C) Specific gravity
(D) Elasticity

✅ Correct Answer: Surface tension

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A binocular uses _________ prisms to see distant objects....?

(A) Porro
(B) Schmidt

(C) Fresnel
(D) Kepler

✅ Correct Answer: Porro

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

(A) Mars
(B) Saturn

(C) Uranus
(D) Jupiter

✅ Correct Answer: Jupiter

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Chemical formula for Water is _______ ...?

(A) NaAlO2
(B) H2O

(C) Al2O3
(D) CaSiO3

✅ Correct Answer: H2O

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The Empirical formula of hydrogen peroxide is _______...?

(A) H2O2
(B) HO

(C) OH
(D) O2H2

✅ Correct Answer: HO

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Triple point of water is _________...?

(A) 271 K
(B) 272.2 K

(C) 273.16 K
(D) None of these

✅ Correct Answer: 273.16 K

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In the optic fiber, the core is made of glass or plastic of relatively ______...?

(A) Zero refractive index
(B) Low refractive index

(C) High refractive index
(D) No refractive index

✅ Correct Answer: High refractive index

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Main constituent in air is ___________...?

(A) Oxygen
(B) Nitrogen

(C) Hydrogen
(D) Helium

✅ Correct Answer: Nitrogen

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Our atmosphere comprises of __________ Nitrogen...?

(A) 38% Nitrogen
(B) 58% Nitrogen

(C) 78% Nitrogen
(D) None of these

✅ Correct Answer: 78% Nitrogen

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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

✅ Correct Answer: 0°C, 100°C

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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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At night, Plants intake __________ and release __________...?

(A) Oxygen – Carbon dioxide
(B) Carbon dioxide – Oxygen

(C) Oxygen – Carbon monoxide
(D) None of theseCarbon monoxide – Oxygen

✅ Correct Answer: Oxygen – Carbon dioxide

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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

✅ Correct Answer: Water has very high specific heat capacity

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Bamboo is a__________...?

(A) Herb
(B) Grass

(C) Shurb
(D) Tree

✅ Correct Answer: Grass

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NASA’s Mars rover, __________ , has been exploring Mars since 2012....?

(A) Diversity
(B) Serenity

(C) Curiosity
(D) Divinity

✅ Correct Answer: Curiosity

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Pluviometer measures ___________...?

(A) Wind
(B) Strength of Plywood

(C) Rainfall
(D) None of these

✅ Correct Answer: Rainfall

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In group electron affinity values decreases from top to bottom because ______...?

(A) Atomic size normal
(B) Atomic size increases

(C) Atomic size decreases
(D) Atomic size same

✅ Correct Answer: Atomic size increases

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Tetanus is a _________ infection....?

(A) Viral
(B) Bacterial

(C) Fungal
(D) Parasitic

✅ Correct Answer: Bacterial

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The type of mirrors used in the headlamp of cars is ____________...?

(A) Parabolic concave
(B) Plane

(C) Spherical convex
(D) Cylindrical concave

✅ Correct Answer: Parabolic concave

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The liquid molecules leave the surface of liquid in evaporation process because ______...?

(A) Energy is low
(B) Energy is moderate

(C) Energy is high
(D) None of these

✅ Correct Answer: Energy is high

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Acid deposition causes ______________________...?

(A) the greenhouse effect to lessen
(B) lakes and forests to die

(C) acid indigestion in humans
(D) all the above are correct

✅ Correct Answer: lakes and forests to die

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Electronics comprises the _________...?

(A) Physics
(B) Engineering

(C) Technology
(D) All of these

✅ Correct Answer: All of these

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The human heart is _______ ...?

(A) Ampullary Heart
(B) Pulsating Heart

(C) Myogenic Heart
(D) Neurogenic Heart

✅ Correct Answer: Myogenic Heart

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Plant have ________ while animals lack it....?

(A) starch
(B) cellulose

(C) protein
(D) fat

✅ Correct Answer: cellulose

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

(A) 61%
(B) 67%

(C) 71%
(D) 76%

✅ Correct Answer: 71%

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Chemical name of vinegar is _____________...?

(A) Sodium Nitrate
(B) Dilute acetic acid

(C) Chloride of lime
(D) Calcium

✅ Correct Answer: Dilute acetic acid

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Dry ice is ___________...?

(A) Methane hydrate
(B) Liquid Nitrogen

(C) Solid Carbon dioxide
(D) Frozen Water

✅ Correct Answer: Solid Carbon dioxide

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The main source of energy in the stars is _____...?

(A) Chemical reaction
(B) Nuclear fission

(C) Nuclear fusion
(D) Mechanical energy

✅ Correct Answer: Nuclear fusion

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Fat provides _______ as much energy as the same amount of carbohydrate....?

(A) Half
(B) Twice

(C) Same
(D) One-quarter

✅ Correct Answer: Twice

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During winter in cold countries, the __________ is mixed to melt the ice on the icy roads....?

(A) Salt
(B) Chlorine

(C) Carbon dioxide
(D) Water

✅ Correct Answer: Salt

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If an object absorbs all entire component/seven colours of light, it appears in ________ colour....?

(A) White
(B) Black

(C) Dark
(D) Green

✅ Correct Answer: Black

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The audible range of normal cat ear is _______...?

(A) 10 Hz to 31kHz
(B) 67 Hz to 45kHz

(C) 20 Hz to 20kHz
(D) 45 Hz to 64kHz

✅ Correct Answer: 45 Hz to 64kHz

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

(A) Grey
(B) Reddish

(C) Dark Brown
(D) None of these

✅ Correct Answer: Dark Brown

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Sunsets on Mars are _________...?

(A) Red
(B) Blue

(C) Yellow
(D) Orange

✅ Correct Answer: Blue

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Ozone layer prevents ______________ radiation from entering the atmosphere...?

(A) Infra-red
(B) Ultraviolet

(C) X-rays
(D) Gamma rays

✅ Correct Answer: Ultraviolet

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Alzheimer’s disease is a _________ disorder....?

(A) Genetic
(B) Brain

(C) Eye
(D) Body Weight Loss

✅ Correct Answer: Brain

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An object with particles close together and vibrating describes a _______...?

(A) Gas
(B) Liquid

(C) Solid
(D) All three

✅ Correct Answer: Solid

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The periodic table divided into S, P, d, and f block based on _______...?

(A) Atomic Radius
(B) Electronic Configuration

(C) Ionization Energy
(D) Electron Affinity

✅ Correct Answer: Electronic Configuration

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The group containing only electromagnetic waves is ______...?

(A) Light waves, Radio waves, Microwaves
(B) Light waves, Radio waves, Sound waves

(C) Light waves, Sound waves, Microwaves
(D) Radio waves, Sound waves, Microwaves

✅ Correct Answer: Light waves, Radio waves, Microwaves

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A mixture of sand and naphthalene can be separated by ________ ...?

(A) Chromatography
(B) Fractional distillation

(C) Sublimation
(D) None of these

✅ Correct Answer: Sublimation

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Approximate age of earth is ________...?

(A) 4.14 billion years
(B) 4.64 billion years

(C) 4.54 billion years
(D) 4.34 billion years

✅ Correct Answer: 4.54 billion years

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

(A) Dead Animals
(B) Plastics

(C) Bread
(D) None of these

✅ Correct Answer: Plastics

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The value of Kc increases when ______...?

(A) [Product] is less
(B) [Product] is more

(C) [Reactant] is more
(D) [Reactant = product]

✅ Correct Answer: [Product] is more

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The northern and the southern hemispheres are separated by ______...?

(A) The International date line
(B) The plane of the Equator

(C) The place of Tropic of cancer
(D) The place of Tropic Capricom

✅ Correct Answer: The plane of the Equator

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Source: This question is taken from the Everyday Science

Latest MCQs

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

✅ Correct Answer: Provide striking surface to the wings for flying

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Source: This question is taken from the Everyday Science

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Inspiration involves ______...?

(A) Contraction of intercostals muscles
(B) Contraction of diaphragm

(C) Inward movement of ribs
(D) Both a and b

✅ Correct Answer: Both a and b

Comments

Source: This question is taken from the Everyday Science

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The Boolean expression of an OR gate is ______...?

(A) A . B
(B) A + B

(C) A x B
(D) None of these

✅ Correct Answer: A + B

Comments

Source: This question is taken from the Everyday Science

Latest MCQs

Deficiency of vitamin E in the human body causes __________...?

(A) Muscle weakness and vision problem
(B) Bone problem

(C) Rickets
(D) Osteoporosis

✅ Correct Answer: Muscle weakness and vision problem

Comments

Source: This question is taken from the Everyday Science

Latest MCQs

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

(A) Transparent
(B) Translucent

(C) Opaque
(D) None

✅ Correct Answer: Translucent

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Source: This question is taken from the Everyday Science

Latest MCQs

The part of an eye acting as a film of camera is _____...?

(A) Retina
(B) Iris

(C) Lens
(D) Cornea

✅ Correct Answer: Retina

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Source: This question is taken from the Everyday Science

Latest MCQs

Granite is a____________...?

(A) Metamorphic rock
(B) Igneous rock

(C) Sedimentry rock
(D) None of these

✅ Correct Answer: Igneous rock

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Source: This question is taken from the Everyday Science

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The large muscles of arm is ______...?

(A) Bicep
(B) Tricep

(C) Tetracep
(D) Pentacep

✅ Correct Answer: Tricep

Comments

Source: This question is taken from the Everyday Science

Latest MCQs

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

Comments

Source: This question is taken from the Everyday Science

Latest MCQs

Male birds are ________ colorful than female birds....?

(A) Less
(B) More

(C) Equal
(D) None of these

✅ Correct Answer: More

Comments

Source: This question is taken from the Everyday Science

Latest MCQs

Corona disease is a ________  disease...?

(A) Infectious diseases
(B) Deficiency disease

(C) Hereditary disease
(D) Physiological diseases

✅ Correct Answer: Infectious diseases

Comments

Source: This question is taken from the Everyday Science

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Cause of Malaria is ________...?

(A) Dirty environment
(B) Pollution

(C) Mosquito
(D) None of above

✅ Correct Answer: Mosquito

Comments

Source: This question is taken from the Everyday Science

Latest MCQs

The part of an eye acting as a black point of camera is ______...?

(A) Sclera
(B) Retina

(C) Optic disc
(D) Choroid

✅ Correct Answer: Choroid

Comments

Source: This question is taken from the Everyday Science

Latest MCQs

Sound waves are _________ waves....?

(A) Transverse
(B) Electromagnetic

(C) Longitudinal
(D) None of these

✅ Correct Answer: Longitudinal

Comments

Source: This question is taken from the Everyday Science

Latest MCQs

The key component of the scientific process is ______...?

(A) Hypothesis
(B) Observation

(C) Question
(D) Experimentation

✅ Correct Answer: Hypothesis

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Source: This question is taken from the Everyday Science

Latest MCQs

Boiling point of pure water is __________...?

(A) 90’C
(B) 97’C

(C) 100’C
(D) None of these

✅ Correct Answer: 100’C

Comments

Source: This question is taken from the Everyday Science

Latest MCQs

Enzyme activity decreased by ______...?

(A) Activator
(B) Substrate

(C) Inhibitor
(D) Coenzyme

✅ Correct Answer: Inhibitor

Comments

Source: This question is taken from the Everyday Science

Latest MCQs

The part of an eye acting as a aperture of camera is _____...?

(A) Iris
(B) Pupil

(C) Cornea
(D) Retina

✅ Correct Answer: Pupil

Comments

Source: This question is taken from the Everyday Science

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Organ of human body which is considered on the largest organ is ______...?

(A) Skin
(B) Digestive tract

(C) Liver
(D) Brain

✅ Correct Answer: Skin

Comments

Source: This question is taken from the Everyday Science

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The largest part of the human brain is ___________...?

(A) Medulla oblongata
(B) Cerebellum

(C) Cerebrum
(D) None of these

✅ Correct Answer: Cerebrum

Comments

Source: This question is taken from the Everyday Science

Latest MCQs

The key component of the scientific process is ______...?

(A) Hypothesis
(B) Observation

(C) Question
(D) Experimentation

✅ Correct Answer: Hypothesis

Comments

Source: This question is taken from the Punjab Police Sub Inspector Service Quota PPSC Past Paper

Latest MCQs

The gravitational pull at the lunar surface is ________ of Earth...?

(A) 1/3
(B) 1/4

(C) 1/5
(D) 1/6

✅ Correct Answer: 1/6

Comments

Source: This question is taken from the Everyday Science

Latest MCQs

Stability of a racing car is increased by _______...?

(A) Increasing its height
(B) Raising its centre of gravity

(C) Decreasing its width
(D) Lowering its centre of gravity

✅ Correct Answer: Lowering its centre of gravity

Comments

Source: This question is taken from the Everyday Science

Latest MCQs

The type of seed production without fusion of male and female gametes is ______...?

(A) Parthenocarpy
(B) Apomixes

(C) Grafting
(D) Scion

✅ Correct Answer: Apomixes

Comments

Source: This question is taken from the Everyday Science

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A camera uses a __________ to form an image....?

(A) convex lens
(B) concave lens

(C) condenser lens
(D) none of these

✅ Correct Answer: convex lens

Comments

Source: This question is taken from the Everyday Science

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The average heartbeat per minute in a normal man is _________...?

(A) 50
(B) 70

(C) 80
(D) 100

✅ Correct Answer: 70

Comments

Source: This question is taken from the Everyday Science

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Sound travels_______ in solid materials then liquid...?

(A) Constant
(B) Slowest

(C) Fastest
(D) None of these

✅ Correct Answer: Fastest

Comments

Source: This question is taken from the Everyday Science

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The main constituent of Pearls are: ______________...?

(A) Calcium oxide &Ammonium Chloride
(B) Calcium Carbonate &Megnesium Carbonate

(C) Aragonite & Conchiolin
(D) None of these

✅ Correct Answer: Calcium Carbonate &Megnesium Carbonate

Comments

Source: This question is taken from the Everyday Science

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In 2013, Planck measured the age of the universe at ___________...?

(A) 13.82 billion years
(B) 4.53 billion years

(C) 4.6 billion years
(D) 4.53 billion years

✅ Correct Answer: 13.82 billion years

Comments

Source: This question is taken from the Everyday Science

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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

Comments

Source: This question is taken from the Everyday Science

Latest MCQs

The most abundant element in the universe is __________....?

(A) Oxygen
(B) Hydrogen

(C) Carbon Dioxide
(D) Silicon

✅ Correct Answer: Hydrogen

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Source: This question is taken from the Everyday Science

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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)

✅ Correct Answer: Glucose (C6H12O6) and Oxygen (O2)

Comments

Source: This question is taken from the Everyday Science

Latest MCQs

The taste of water is ______...?

(A) Sour
(B) Bitter

(C) Sweet
(D) Tasteless

✅ Correct Answer: Tasteless

Comments

Source: This question is taken from the Everyday Science

Latest MCQs

A shooting star is _________...?

(A) Sun
(B) A comet

(C) A meteor
(D) An steroid

✅ Correct Answer: A meteor

Comments

Source: This question is taken from the Everyday Science

Latest MCQs

The human brain uses__________ percent of the total oxygen and blood in the body...?

(A) 20
(B) 12

(C) 35
(D) 48

✅ Correct Answer: 20

Comments

Source: This question is taken from the Everyday Science

Latest MCQs

The largest latitude circle on earth is ________...?

(A) Arctic circle
(B) Tropic of cancer

(C) Tropic of Capricorn
(D) The Equator

✅ Correct Answer: The Equator

Comments

Source: This question is taken from the Everyday Science

Latest MCQs

Role of biotechnology in the production of food based on ___________...?

(A) Decomposition
(B) Respiration

(C) Digestion
(D) Fermentation

✅ Correct Answer: Fermentation

Comments

Source: This question is taken from the Everyday Science

Latest MCQs

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

(A) 1347
(B) 243

(C) 1235
(D) 1495

✅ Correct Answer: 1235

Comments

Source: This question is taken from the Everyday Science

Latest MCQs

Examples of Monosaccharides are ___________....?

(A) Glucose
(B) Galactose

(C) Fructose
(D) All of these

✅ Correct Answer: All of these

Comments

Source: This question is taken from the Everyday Science

Latest MCQs

What is the chemical formula for Sodium carbonate _______ ...?

(A) Na3CO2
(B) CNa2O3

(C) Na2CO3
(D) Na3CO3

✅ Correct Answer: Na2CO3

Comments

Source: This question is taken from the Everyday Science

Latest MCQs

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

(A) 208°F
(B) 210°F

(C) 212°F
(D) 214°F

✅ Correct Answer: 212°F

Comments

Source: This question is taken from the Everyday Science

Latest MCQs

Water is a ______...?

(A) Polar solvent
(B) Non-polar solvent

(C) Amphiphatic solvent
(D) Non-polar charged solvent

✅ Correct Answer: Polar solvent

Comments

Source: This question is taken from the Everyday Science

Latest MCQs

Bond which involve 3 shared electron pairs is a ______...?

(A) Double covalent bond
(B) Single covalent bond

(C) Triple covalent bond
(D) None of above

✅ Correct Answer: Triple covalent bond

Comments

Source: This question is taken from the Everyday Science

Latest MCQs

In the wild primary diet of Pandas is _______...?

(A) [\"Bamboos\",\"Fruits\",\"Insects\",\"Small Birds\"]
(B) empty

(C) empty
(D) empty

✅ Correct Answer: [\"Bamboos\",\"Fruits\",\"Insects\",\"Small Birds\"]

Comments

Source: This question is taken from the Everyday Science

Latest MCQs

Ionic crystals have ______...?

(A) High melting points
(B) Moderate melting points

(C) Low melting points
(D) None of above

✅ Correct Answer: High melting points

Comments

Source: This question is taken from the Everyday Science

Latest MCQs

The springs in brakes and clutches are used ______...?

(A) To restore original position
(B) To measure forces

(C) To absorb shocks
(D) To absorb strain energy

✅ Correct Answer: To restore original position

Comments

Source: This question is taken from the Everyday Science

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