Assertion (A): NRR is a more accurate measure of population replacement than GRR. Reason (R): NRR incorporates female mortality, while GRR does not.
A. Both A and R are true, but R is not the correct explanation of A
B. A is true but R is false
C. A is false but R is true
D. Both A and R are true, and R is the correct explanation of A
Answer: Option D
Solution (By JKExamLibrary)
NRR adjusts for the probability that female births survive to reproductive ages, providing a realistic assessment of generational replacement, whereas GRR assumes all female births survive, overestimating replacement potential.
No comments yet. Be the first to start the discussion!