This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Demography, Subject name: Social & Preventive Medicine
[{'content': 'In family welfare programme, score of 1 is given to: \nSelect and explain. \nA. Birth rate, B. Net reproduction rate, C. Achievement of goal, D. Total implementation of programme', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e. Net reproductive rate NRR of 1 is equivalent to attaining approx., the 2 child norm*The Govt, of India in 1983 adopted the policy of attaining a NRR of 1 by the year 1996 (now to be achieved by 2006).", 'role': 'assistant'}]