List three major landmarks in human history which contributed to the sudden rise in population of the world. What was the approximate Indian population according to the 1981 and 1991 census? [5 MARKS]
Landmarks: 3 Marks
Population: 2 Marks
The three landmarks in human history which contributed to the sudden rise in population of the word are as follows:
(i) Tool-marking revolution.
(ii) Industrial revolution.
(iii) New discoveries in medical science.
According to 1981 population census, the Indian population was 685 million and as per 1991 population census, it was 846 million.