A country with a high rate of population grow | vedclass

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(D) The correct answer is $D$. $1$. An age-sex pyramid with a broad base indicates a rapidly growing population,as it shows a high proportion of indiv

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$A$ is more recent and shows a slight reduction in the growth rate.

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(D) The correct answer is $D$. $1$. An age-sex pyramid with a broad base indicates a rapidly growing population,as it shows a high proportion of individuals in the pre-reproductive age group ($0-9$ years). $2$. Comparing the two pyramids,pyramid $B$ has a wider base compared to pyramid $A$. This indicates that pyramid $B$ represents the population twenty years ago (the earlier state) when the growth rate was higher. $3$. Pyramid $A$ has a relatively narrower base compared to $B$,indicating a reduction in the proportion of the youngest age group. This reflects the impact of measures taken to reduce population growth over the twenty-year period. $4$. Therefore,$A$ is the more recent pyramid,and it shows a slight reduction in the growth rate compared to $B$.

Column-$I$	Column-$II$
$A$. $J$-shape curve	$(i)$ Sigmoid curve
$B$. Verhulst-Pearl logistic growth	$(ii)$ Breed only once in their lifetime
$C$. Extinction of Abingdon tortoise	$(iii)$ Competition for same resources
$D$. Pacific salmon fish and Bamboo	$(iv)$ Resources unlimited

$A$ 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.

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