List any four reasons for the population explosion in India.

Write any six factors which have contributed to a rapid rise in human population in recent times in the world.

Give the approximate figures for the population in India in million at

(a) the beginning and

(b) the end of the twentieth century.

Mention whether the following statements are True (T) or False (F).

(i) Urbanization is the enlargement of towns covering a very large area together with modern facilities. (T/F)

(ii) Rising population is leading to an increased coverage of land for raising forests. (T/F)

(iii) Coal and iron are inexhaustible resources. (T/F)

Fill up the blanks by choosing the right option.

(i) Public conveyances like buses and railways are …………………….. (necessities/luxuries).

(ii) Many sets of garments per member in a family are ……………………….. (necessities/fashions).

(iii) Petroleum is a resource of the same category as that of …………………………… (copper/groundwater).