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The primary succession refers to the dev...

The primary succession refers to the development of communities on a

A

pond, freshly filled with water after a dry phase

B

freshly cleared crop field

C

newly exposed habitat with no record of earlier vegetation

D

forest clearing after devastating fire

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VMC MODULES ENGLISH-ECOSYSTEM-EFFICIENT
  1. The nature of climax community ultimately depends on :

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  2. Biotic components of an ecosystem include

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  3. The primary succession refers to the development of communities on a

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  4. If we completely remove the decomposers from an ecosystem, the ecosyst...

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

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  6. Select an incorrect statement for ecosystem :

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  7. Select an incorrect statement for abiotic components of ecosystem :

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  8. In deep aquatic ecosystem which of the following are major autotrophs ...

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  9. Producers are the autotrophic organisms, which produce their own food....

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  10. The first link in any food chain is green plants because:

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  11. Which of the following represents largest man made ecosystem

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  12. When the environmental conditions are optimum, the "" may produce as ...

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  13. Humification results in the formation of ............. substance.

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  14. Pioneer community established in bare rock is

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  15. Succession proceeds from

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  16. Trophic structure may be described in terms of the amount of "" materi...

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  17. The standing crop is commonly expressed as the :

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  18. The biomass of a species is expressed in terms of either fresh or dry ...

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  19. Both hydrarch and xerarch successions leads to

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  20. Productivity in ecosystem is of "" kinds :

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