Mention two areas of medical sciences which have indirectly contributed to high growth in human population.

Is the present day human population growth following a J-shaped curve or S-shaped curve?

Give the approximate figures for the population in India in million at (a) the beginning and (b) the end of twentieth century.

Mention whether the following statements are True or False.

(i) Urbanisation is the enlargement of towns covering a very large area together with modern facilities.

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

(iii) Coal and iron are inexhaustible resources.