Question

Which option is correct for the region labelled as (a) and (b) in the given diagram?

• A. a = Reproductive age group; b = Post - reproductive age group
• B. a = Post - reproductive age group; b = Reproductive age group
• C. a = Reproductive age group; b = Pre - reproductive age group
• D. a = Pre- reproductive age group; b = Reproductive age group

Answer 1

The correct option is B a = Post - reproductive age group; b = Reproductive age group

In human population, age pyramids represents age distribution of males and females. It indicates whether a particular population is growing, stable or declining. There are three types of age pyramids, namely triangular, bell shaped and urn shaped. The given diagram represents urn shaped. In this, the region of reproductive age group (b) is bigger than that of pre-reproductive age group (c). The region of post-reproductive age group (a) is smaller than reproductive age group.

Thus, the correct answer is 'a = Post - reproductive age group; b = Reproductive age group.'