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प्रश्न
List any four characters that are employed in human population census.
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उत्तर
- Birthrates
- Death rates
- Sex ratio
- Age distribution
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संबंधित प्रश्न
(a) Name the two growth models that represent population growth and draw the respective growth curves they represent.
(b) State the basics for the difference in the shape of these curves
(c) Which one of the curves represents the human population growth at present? Do you think such a curve is sustainable? Give reason in support of your answer.
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What is an age-pyramid?
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Deer
Label the three tiers 1, 2, 3 given in the above age pyramid.
Identify the type of pyramid given above. Write the identifying feature on the basis of which you identified it.
With the help of neatly labelled diagrams, explain the different types of age pyramids of human population.
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