Water in the Atmosphere
EXERCISES
1. Multiple choice questions.
(i) Which one of the following is the most important constituent of the atmosphere for human beings?
(a) Water vapour (c) Dust particle
(b) Nitrogen (d) Oxygen
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(ii) Which one of the following process is responsible for transforming liquid into vapour?
(a) Condensation (c) Evaporation
(b) Transpiration (d) Precipitation
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(iii) The air that contains moisture to its full capacity :
(a) Relative humidity (c) Absolute humidity
(b) Specific humidity (d) Saturated air
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(iv) Which one of the following is the highest cloud in the sky?
(a) Cirrus (c) Nimbus
(b) Stratus (d) Cumulus
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2. Answer the following questions in about 30 words.
(i) Name the three types of precipitation.
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(ii) Explain relative humidity.
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(iii) Why does the amount of water vapour decreases rapidly with altitude?
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(iv) How are clouds formed? Classify them.
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3. Answer the following questions in about 150 words.
(i) Discuss the salient features of the world distribution of precipitation.
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(ii) What are forms of condensation? Describe the process of dew and frost formation.
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