Assertion : The rate at which a population can be expected to grow in the future can be assessed graphically by means ofa population pyrmid.
Reason : A triangular population pyramid is characteristics of a country whose population is stable, neither growing nor shrinking.

Options

A. If both assertion and reason are true and reason is the correct explantion of assertion
B. If both assertion and reason are true but reason is not the correct explnantion of assertion.
C. If assertion is true but reason is false.
D. If both assertion and reason are false.

Answer

C

Explanation

The rate at which a population can be expected to grow in the future can be assessed graphically by means of a population pyramid-a bar graph displaying the number of people in each age category. Males are conventionally shown to the left of the vertical age axis and females to the right. A human population pyramid thus displays the age composition of a population by sex. In general, rectangular pyramids are characteristic of countries whose populations are stable, their numbers neither growing nor shrinking. A traingular pyramid is characteristic of a countrty that will exhibit rapid future growth, as most of its population has not yet entered the child-bearing years. Inverted traingles are characteristic of populations that are shrinking.