A country with the 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: interpretations:

  • Option 1)

    "B" is earlier pyramid and shows stabilised growth rate.

  • Option 2)

    "B" is more recent showing that population is very young

  • Option 3)

    "A" is the earlier pyramid and no change has occured in the growth rate.

  • Option 4)

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

 

Answers (1)

As discussed in

Population Growth -

The size of a population for any species is not a static parameter. It keeps changing in time, depending on various factors including food availability, predation pressure and adverse weather.

- wherein

It is these changes in population density that give us some idea of what is happening to the population – whether it is flourishing or declining.

 

 


Option 1)

"B" is earlier pyramid and shows stabilised growth rate.

This solution is incorrect

Option 2)

"B" is more recent showing that population is very young

This solution is incorrect

Option 3)

"A" is the earlier pyramid and no change has occured in the growth rate.

This solution is incorrect

Option 4)

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

This solution is correct

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