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Construct an age pyramid which reflects ...

Construct an age pyramid which reflects a stable growth status of human population.

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Construct an age pyramid which reflects an expanding growth status of human population.

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Assertion: For human populations, the age pyramids generally show age distribution of males and females in a combined diagram. Reason: The shape of age pyramid reflects the growth status of the populations, whether it is growing, stable or declining.

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Which of the given age pyramid reflects a stable human population ?

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PRADEEP-ECOSYSTEM-short answer question
  1. Why the pyramid of energy is always upright ? Explain.

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  2. Differentiate between two different types of pyramids of biomass with ...

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  3. Construct an age pyramid which reflects a stable growth status of huma...

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  4. How are productivity, gross productivity, net primary productivity and...

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  5. Define an ecosystem. Give a few instances of an ecosystem.

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  6. All the solar energy trapped by green plants ultimately returns to the...

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  7. Explain the term pyramid of biomass.

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  8. Explain the 10% law.

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  9. Why is the concept of a food web more real ecologically than the conce...

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  10. What are the basic differences between community, ecosystem and biome ...

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  11. Explain the term 'stratification' in relation to a tropical rain fores...

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  12. Explain the concept of pyramids of numbers.

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  13. Give an account of ecological succession.

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  14. Describe the various kinds of food chains in a food web.

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  15. What are biogeochemical cycles ? Mention their two kinds, giving insta...

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  16. Define the terms : nitrate assimilation, ammonification, nitrification...

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  17. What is biosphere? What are the main subdivisions of the biosphere?

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  18. Why is the term cycle' used for the movement of matter but 'flow' for ...

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  19. What is net primary productivity ?

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  20. List the bacteria that bring about the various processes involved in n...

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