AIPMT PRELIMS2009Botany-Population Ecology
AIPMT PRELIMS 2009 Botany Age-Sex Pyramids MCQ Question
Type: MCQ-conceptual-Medium-Class 12
A country with a high rate of population growth took measures to reduce it. The Figure below shows age-sex pyramids of populations A and B twenty years apart. Select the correct interpretation about them:
A
"B" is earlier pyramid and shows stabilised growth rate.
B
"B" is more recent showing that population is very young.
C
"A" is the earlier pyramid and no change has occurred in the growth rate.
D
"A" is more recent and shows slight reduction in the growth rate.
Correct Answer
Option D
Detailed Explanation
The age-sex pyramid of population 'A' shows a broad base indicating a high birth rate, while 'B' shows a narrower base, indicating a reduction in birth rate over time.
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