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The sequence of communities of primary s...

The sequence of communities of primary succession in water is

A

phytoplankton, sedges, free-floating hydrophytes, rooted hydrophytes, grasses and trees.

B

phytoplankton, free-floating hydrophytes, rooted hydrophytes, sedges, grasses and tree.

C

free-floating hydrophytes, sedges, phytoplank- ton, rooted hydrophytes, grasses and trees.

D

phytoplankton, rooted submerged hydrophytes, floating hydrophytes, reed swamp, sedges, meadow and trees.

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The correct Answer is:
D
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PRADEEP-ECOSYSTEM-Multiple choice question
  1. Climax community is in a state of

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  2. Among the following biogeochemical cycles, which one does not have los...

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  3. The sequence of communities of primary succession in water is

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  4. The reservoir for the gaseous type of bio-geo chemical cycle exists in...

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  5. If the carbon atoms fixed by producers already have passed through thr...

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  6. Which of the following type of ecosystem is expected in an area where ...

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  7. The zone at the edge of a lake or ocean which is alternatively exposed...

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  8. Edaphic factor refers to

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  9. Which of the following is an ecosystem service provided by a natural e...

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  10. The biomass available for consumption by the herbivores and the decomp...

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  11. Nutrient enrichment of a lake will cause

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  12. Which of the following pyramid is always upright ?

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  13. In ecosystem , cycling of nutrients is called

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  14. In ecological succession the climax community is best recognised by th...

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  15. In a polluted environment, the maximum pollutant will occur in:

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  16. In primary succession on rocks, the pioneer species are usually:

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  17. The ''10 per cent law'' is related to:

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

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  19. Of the total incident solar radiation the proportion of PAR is:

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  20. Large woody vines are more commonly found in

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