Browse through the newspaper from 1st June to 31st December and note the news about extreme rainfall in different parts of the country.

Multiple choice question.

Which one of the following is the highest cloud in the sky?

Answer the following questions in about 30 words.

(i) Name the three types of precipitation.

(ii) Explain relative humidity.

(iii) Why does the amount of water vapour decreases rapidly with altitude?

(iv) How are clouds formed? Classify them.

Answer the following questions in about 150 words.

(i) Discuss the salient features of the world distribution of precipitation.

(ii) What are forms of condensation? Describe the process of dew and frost formation.

Identify these cloud types which are shown in Figure 11.1 and 11.2.