Correct option is A
The year 1921 is referred to as the 'Demographic Divide' in India. This was the only census year in which India recorded a negative population growth, primarily due to the high death rate caused by epidemics like the influenza pandemic of 1918–19 and poor health infrastructure.
Information Booster:
- Post-1921, India's population began increasing consistently due to improvements in healthcare, sanitation, and food supply.
- 1921 Census showed a population decline of 0.31% compared to 1911.
- It marked the transition to the second stage of the demographic cycle, characterized by declining death rates but continued high birth rates.
- The period before 1921 is often called the 'Period of Stagnant Population'.
- Post-1921, India's population growth became rapid, with the highest decadal growth recorded in 1971 Census.
Additional Knowledge:
- (a) 1921: Correct; demographic divide due to negative growth.
- (b) 1931: Incorrect; marked continued population growth.
- (c) 1941: Incorrect; significant increase due to better health services.
- (d) 1951: Incorrect; first census after independence, marked the start of planned development.