Age Pyramid Organisms and Populations - Iris - (New NCERT) Organisms and Populations Biology - XII NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).

Assertion (A):	Age-structure pyramids for the population of a country not only predict a population’s growth trends but can also illuminate social conditions.
Reason (R):	These pyramids show the distribution of various age groups in a population, typically that of a country or region of the world.

In the light of the above statements, choose the most appropriate answer from the options given below :

1.	Both (A) and (R) are true and (R) is the correct explanation of (A).
2.	Both (A) and (R) are true but (R) is not the correct explanation of (A).
3.	(A) is true but (R) is false.
4.	Both (A) and (R) are false.

If both the assertion and the reason are true and the reason is a correct explanation of the assertion
If both the assertion and reason are true but the reason is not a correct explanation of the assertion
If the assertion is true but the reason is false
If both the assertion and reason are false

Subtopic: Age Pyramid |

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If you draw the age pyramid for a population that is expanding in size, you would expect that:

1.	the number of individuals in the pre-reproductive age group are more than the number of individuals in the reproductive age group.
2.	the number of individuals in the reproductive age group are less than the number of individuals in the post-reproductive age group.
3.	the number of individuals in the reproductive age group are equal to the number of individuals in the reproductive age group.
4.	the number of individuals in the pre-reproductive age group are less than the number of individuals in the reproductive age group.

Subtopic: Age Pyramid |

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