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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 trees

C

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

D

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

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The correct Answer is:
C
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GRB PUBLICATION-ECOSYSTEM -EXEMPLAR PROBLEMS
  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. Which one of the following has the largest population in a food chain?

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  11. The second trophic level of longer food chains in a lake is:

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  12. Secondary producers are:

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  13. Percentage of photosynthetically active radiation (PAR) in the inciden...

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  14. Plants are called as because they fix carbon dioxide.

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  15. In an ecosystem dominated by trees, the pyramid (of numbers) istype.

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  16. In aquatic ecosystem, the limiting factor for the productivity is:

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  17. Common detritivores in our ecosystem are:

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  18. The major reservoir of carbon on Earth is:

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  19. Consider the following statement with respect to ecosystems: A. Tw...

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  20. Which kind of ecological pyramid is represented by the figure given be...

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