Page 175 - SST Class 06

6. In which belt, the upper air currents begin shifting northward?

(a) Eastern (b) Western (c) Northern
7. Which gas is released by burning of fossil fuels?
(a) Carbon Dioxide (b) Oxygen (c) Methane

B. Give reasons for each of the following.
1. Coastal areas record minimum variations in diurnal range of temperature.
2. Hill stations are generally cool in summer.

3. During hot-weather season, temperature starts rising from south to north.
4. The winds blowing from India Ocean, reach India in two branches.

C. Give a single term for the following.
1. Ebony and Mahogany are the common variety of trees of these forests. ___________________
2. Trees of these forests shed their leaves during the dry spell. ___________________

3. These tidal forests are named after the trees of this name. ___________________
4. These forests are so called because the trees bear cone shaped fruits. ___________________
5. This programme was started for the plantation of trees in vacant lands. ___________________

D. Answer the following questions.
1. How do monsoon give climatic unity to India?

2. State three factors that influence the climate of India.
3. Mention three characteristics of temperature and rainfall during hot weather season.
4. Where are tropical rain forests found?

5. How are tropical rain forests different from tropical deciduous forests?
6. Write three chief characteristics of the Himalayan vegetation.
7. Give a brief account of wildlife of India.

8. Give three points of importance of forests and wildlife.
9. Describe Tropical rain forests.

Activity
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Activity
A. List the trees in the following table.
Tropical rain Forests Tropical Deciduous Forests Thorn Forests Mangrove Forests

B. To comprehend the influence of vegetation and wildlife on human life, complete the
following table.
Factor Influence Factor Influence
1. Climate _________________ 2. Useful _________________
3. Gene Pool _________________ 4. Water _________________
5. Soil _________________

Social Science-6 175