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The upright pyramid of numbers is absent...

The upright pyramid of numbers is absent in ______

A

pond

B

forest

C

lake

D

grassland

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CHETANA PUBLICATION-Ecosystems and Energy flow-EXERCISE
  1. Secondary consumers are

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  2. What is the % of photosynthetically active radiaton in the incident so...

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  3. The upright pyramid of numbers is absent in

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  4. Give the term used to express a community in its final stage of succes...

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  5. After landslide which of the following type of succession occurs?

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  6. Which of the following is most often a limiting factor of the primary ...

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  7. Which one of the following is not used for construction of ecological ...

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  8. Mass of living matter at a trophic level in an area at any time is cal...

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  9. Which one of the following animals may occupy more than one trophic le...

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  10. Identify the possible link "A" in the following food chain ...

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  11. Which one of the following animals may occupy more than one trophic le...

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  12. The horizontal distribution of trees is studied in

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  13. The ability to produce organic compounds in unit time is

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  14. In establishing new ecosystem on rock, the pioneers are

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  15. The succession that starts on abandoned crop land is

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  16. Guano deposits are rich in

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  17. Which of the followings is mainly responsible for ozone depletion?

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  18. Which is an artifical ecosystem?

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  19. Niche of a species is

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  20. Rate of storage of organic matter not used by heterotrophs is termed a...

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