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1. It is an element of atmosphere
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Tides
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Pressure
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Water currents
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Waves
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Explanation
Pressure
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2. Which gas is opaque to the outgoing terrestrial radiation?
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Dust Particles
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Ozone
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Carbon dioxide
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Water Vapour
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Explanation
Carbon dioxide
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3. The uppermost layer of the atmosphere is
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Mesosphere
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Exosphere
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Ionosphere
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Stratosphere
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Explanation
exosphere
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4. Which one of the following gases constitutes the major portion of the atmosphere?
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Oxygen
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Nitrogen
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Argon
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Carbon dioxide
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Explanation
Nitrogen
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5. Which of the following gases absorbs ultraviolet rays?
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Carbon Dioxide
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Neon
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Ozone
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Nitrogen
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Explanation
Ozone
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6. Excess carbon dioxide in the atmosphere due to pollution will cause
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Earth's temperature to rise
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Earth's temperature to fall
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Decrease in weather phenomenon
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Ozone layer to become thicker
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Explanation
Earth's temperature to rise
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7. Which zone separates the troposphere from the stratosphere?
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Mesospause
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Tropopause
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Ionospause
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Stratopause
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Explanation
Tropopause
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8. The increase in the volume of carbon dioxide for the past few decades is mainly due to
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deforestation
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climate change
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atmospheric composition
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burning of fossil fuels
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Explanation
burning of fossil fuels
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9. What envelopes the earth all round?
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Hydrosphere
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Lithosphere
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Atmosphere
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Biosphere
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Explanation
Atmosphere
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10. The radiations that heat earth's atmosphere, comes from the
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Sun
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Earth
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Ionosphere
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Sun and Earth
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Explanation
Earth
Practice More On
Composition and Structure of Atmosphere
Quiz 1