Question -
Q. The shape of the population pyramids represents the different dynamics of the population. In this context which of the following statements is/are correct.
A bell shaped pyramid represents a constant population.
A triangular pyramid best represents developed countries.
A pyramid of narrow base and tapered top represents expanding the population.
Select the correct answer using the code given below :
Options:
A .  1 only
B .  2 and 3 only
C .  1 and 2 only
D .  1, 2 and 3
Answer: Option A : A Explanation Statement 1 is correct: A bell shaped pyramid represents constant population and is also called stationary or near stationary population pyramids. It displays somewhat equal numbers or percentages for almost age groups. Statement 2 is incorrect: The Triangular Pyramid explains expanding population and usually a feature of developing countries like India. Statement 3 is incorrect: A pyramid of narrow base and tapered top explains declining population like that of Japan. The Japan pyramid has a narrow base and a tapered top showing low birth and death rates.
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