NCERT Class 11 India Physical Environment Chapter 4 “Climate” Solution |

Climate

1. Choose the right answer from the four alternatives given below.

(i) What causes rainfall on the coastal areas of Tamil Nadu in the beginning of winters?

(a) South-West monsoon (c) North-Eastern monsoon

(b) Temperate cyclones (d) Local air circulation

Answer:

(ii) What is the proportion of area of India which receives annual rainfall less than 75 cm?

(a) Half (c) Two-third

(b) One-third (d) Three-fourth

Answer:

(iii) Which one of the following is not a fact regarding South India?

(a) Diurnal range of temperature is less here.

(b) Annual range of temperature is less here.

(c) Temperatures here are high throughout the year.

(d) Extreme climatic conditions are found here.

Answer:

(iv) Which one of the following phenomenon happens when the sun shines vertically over the Tropic of Capricorn in the southern hemisphere?

(a) High pressure develops over North-western India due to low temperatures.

(b) Low pressure develops over North-western India due to high temperatures.

(c) No changes in temperature and pressure occur in north-western India.

(d) ‘Loo’ blows in the North-western India

Answer:

2. Answer the following questions in about 30 words.

(i) What is the Inter-Tropical Convergene Zone?

Answer:

(ii) What is meant by ‘bursting of monsoon’? Name the place of India which gets the highest rainfall.

Answer:

(iii) Which type(s) of cyclones cause rainfall in north-western India during winter? Where do they originate?

Answer:

3. Answer the following questions in not more than 125 words.

(i) Notwithstanding the broad climatic unity, the climate of India has many regional variations. Elaborate this statement giving suitable examples.

Answer:

(ii) How many distinct seasons are found in India as per the Indian Meteorological Department? Discuss the weather conditions associated with any one season in detail.

Project/Activity

On the outline map of India, show the following:

(i) Areas of winter rain

(ii) Wind direction during the summer season

(iii) Areas having less than 15°°C temperature in January

(iv) Isohyte of 100 cm.

Answer: