Population growth is said to be less than adequate requirement when NRR is: (A) < 1, (B) 1, (C) > 1, (D) 0
Answer is A. Net reproductive rate is defined as the number of daughters a newborn girl will bear during her life time assuming fixed age specific feility and moality rates It is a demographic indicator NRR of 1 is equivalent to attaining approximately the 2 child norm If NRR is less than 1, then the reproductive performance of the population is said to below replacement level Reference : Park&;s textbook of preventive and social medicine, 23rd edition, Page no: 489