Everyday Science MCQs

Page No. 80

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


aCirrostratus

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bStratocumulus

✓


cAltocumulus

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dCirrus

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View Answer Stratocumulus

Fatal degenerative lung disease caused by particulate asbestos is referred to as _____________?


aasthma

✖


basbestosis

✓


callergy

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dsinusitis

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View Answer asbestosis

The blueness of the sky is mainly due to _____________?


aThe scattering of sunlight by air molecules

✓


bThe presence of water vapor

✖


cAbsorption of blue light by the air

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dEmission of blue light by the atmosphere

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The atmosphere near the earth’s surface is “heated from below.” Which of the following does not significantly contribute to this heating _____________________?


aConduction of heat upward from a hot surface

✖


bConvection from a hot surface

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cAbsorption of infrared energy that has been radiated from the surface

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dHeat energy from the earth’s interior

✓



The gradual physiological adjustment to slowly changing new environmental conditions is known as _____________________?


aSelection

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bIntroduction

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cAcclimatization

✓


dQuarantine

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View Answer Acclimatization

Salinization is ___________?


aAccumulation of salts in water

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bAccumulation of salts in soil

✓


cAccumulation of salts in body

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dAccumulation of salts in animals

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Acid deposition causes ______________________?


athe greenhouse effect to lessen

✖


blakes and forests to die

✓


cacid indigestion in humans

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dAll are correct

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Water vapor is ______________?


aA gas

✓


bA cloud droplet

✖


cA raindrop

✖


dsnowflake

✖


View Answer A gas

At what time of day is the relative humidity normally at a minimum ________________ ?


aWhen the air temperature is highest

✓


bJust before sunrise

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cAbout midnight

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dWhen the air temperature is lowest

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The atmospheric greenhouse effect is produced mainly by the __________________?


aAbsorption and re-emission of visible light by the atmosphere

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bAbsorption and re-emission of infrared radiation by the atmosphere

✓


cAbsorption and re-emission of ultraviolet radiation by the atmosphere

✖


dAbsorption and re-emission of visible light by clouds

✖



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