This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: NEET 2018, Subject name: Social & Preventive Medicine
[{'content': 'To achieve a Net Reproduction rate (NRR) of 1, couple protection rate should be minimum:- \nSelect and explain. \nA. 50%, B. 60%, C. 55%, D. 75%', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Demographers are of the view that the demographic goal of NRR=1 can be achieved only if the CPR(Couple Protection Rate) exceeds 60% Couple protection Rate: Defined as percentage of eligible couples effectively protected against childbih by one or the other approved methods of family planning - Sterilization/IUD/Condom/Oral Pills An indicator of prevalence of contraceptive practices in community Achieving CPR of >60% will enable us to achieve the NPP(National Population Policy) goal of NRR=1 and TFR(Total Feility Rate)=2.1 Current CPR = 54%', 'role': 'assistant'}]