Assertion (A) and Reason (R) are given below. Choose the correct option:
Assertion (A): Population explosion occurs when death rates decline rapidly but birth rates remain high.
Reason (R): Societal reproductive behavior changes instantly with improvements in healthcare.

Correct option is C

The correct answer is (c) A is true, but R is false.
• Population explosion is caused by declining death rates with sustained high birth rates.
• Improvements in healthcare reduce mortality quickly.
• Reproductive behavior changes gradually, not instantly.
Information Booster:
• This phase corresponds to Stage II of Demographic Transition.
• Seen historically in developing countries.
• India experienced population explosion after 1950s.
Additional Knowledge:
• Social awareness and education influence fertility decline.
• Birth rates fall later due to cultural and economic factors.