This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
The following is true about the term 'New Families' – 
Select and explain. 
A. It is a variant of the 3-generation family, B. It is applied to all nuclear families of less then 10 years duration, C. It is a variant of the joint family., D. It is applied to all nuclear families of less then 2 years duration
B: It is applied to all nuclear families of less then 10 years duration
Answer: B: It is applied to all nuclear families of less then 10 years duration 
Explanation: The term new family has recently come into vogue, it applies to all nuclear families which are less than 10 years of duration.