Age-sex structure of a population can be depicted in the following figures: Study carefully the above age-sex pyramids and select the correct statements regarding these.

A represents the age-sex pyramid for a developed country and B represents the age-sex pyramid for a developing country.

B is a much less steep pyramid, representing a rapidly growing population, like that of India, as it has a much larger number of young people.

A is a steeper pyramid, which represents a nearly stable population.

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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 36 - Organisms and Populations>MCQS CORNER>Q 79

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The age structure of a population influences population growth because

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Important Questions on Organisms and Populations

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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 36 - Organisms and Populations>MCQS CORNER>Q 80

If most individuals in a population are young, why is the population likely to grow rapidly in the future?

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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 36 - Organisms and Populations>MCQS CORNER>Q 81

Study the age pyramids given below and select the correct statements regarding these.
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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 36 - Organisms and Populations>MCQS CORNER>Q 83

An urn-shaped population age pyramid represents

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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 36 - Organisms and Populations>MCQS CORNER>Q 84

Given figures represent comparative age-sex pyramids for India for the years 1971 (figure A) and 1991 (figure B), over the 20-year period.
Study carefully the pyramids and select the correct statement regarding these.
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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 36 - Organisms and Populations>MCQS CORNER>Q 85

Age-sex structure of a population can be depicted in the following figures:
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Study carefully the above age-sex pyramids and select the correct statements regarding these.

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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 36 - Organisms and Populations>MCQS CORNER>Q 100

ln a population per capita birth rate is 0.15 and per capita death rate is 0.08 during a unit time period. What is the value of r (intrinsic rate of natural increase) for the given population?

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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 36 - Organisms and Populations>MCQS CORNER>Q 104

The maximum possible number of individuals that a habitat can support is called its

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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 36 - Organisms and Populations>MCQS CORNER>Q 107

Study the population growth curves (A and B) in the given graph and select the incorrect option.

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