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Which of the following would appear as t...

Which of the following would appear as the pioneer organisms on bare rocks?

A

Green algae

B

Lichens

C

Liverworts

D

Mosses

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The correct Answer is:
A
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AAKASH INSTITUTE ENGLISH-ECOSYSTEM-Assignment (Section C)
  1. Presence of plants arranged into well defined vertical layers dependin...

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  2. The primary producers of the deep-sea hydrothermal vent ecosytem are

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  3. Which of the following would appear as the pioneer organisms on bare r...

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  4. Which one of the following is a characteristic feature of cropland eco...

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  5. The term ecosystem was coined by

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  6. Most animals that live in deep oceanic wa- ters are

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  7. In which of the following both pairs have correct combination?

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  8. During ecological succession

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  9. Vertical distribution of different species occupying different levels ...

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  10. In an ecosystem the rate of production of organic matter during photos...

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  11. Secondary succession takes place on/in

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  12. The mass of living material at a trophic level at a particular time is...

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  13. Match the following and select the correct option :

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  14. Given below is a simplified model of phosphorus cycling in a terrestri...

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  15. If 20J of energy is trapped at producer level, then how much energy wi...

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  16. Natural reservoir of phosphorus is

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  17. Secondary productivity is rate of formation of new organic matter by

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  18. Which one of the following processes during decomposition is correctly...

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  19. Which one of the following is not a functional unit of an ecosystem

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  20. The upright pyramid of number is absent in

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