Q. In which of the following period, population growth rate in India was reported negative?

[A] 1901, 11

[B] 1911, 21

[C] 1921, 31

[D] 1931, 41

Answer: B
Notes:

Explanation: Between 1901–1951 the average annual growth rate did not exceed 1.33%, a modest rate of growth. In fact between 1911 and 1921 there was a negative rate of growth of – 0.03%.

This was because of the influenza epidemic during 1918–19 which killed about 12.5 million persons or 5% of the total population of the country.

Source: NCERT