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Which of the following is a pioneer in x...

Which of the following is a pioneer in xerarch succession ?

A

Phytoplanktons

B

Lichens

C

Bryophytes

D

Rooted hydrophytes

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The correct Answer is:
B
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MODERN PUBLICATION-ECOSYSTEM -COMPETITION FILE (OBJECTIVE TYPE QUESTIONS)(A. MULTIPLE CHOICE QUESTIONS)
  1. In a particular climatic condition, decomposition rate is slower if:

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  2. An inverted pyramid of number and an inverted pyramid of biomass are r...

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  3. Which of the following is a pioneer in xerarch succession ?

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  4. The biomass available for consumption to heterotrophs and the rate for...

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  5. Which one of the following is a primary consumer?

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  6. Which of the following is primary producer ?

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  7. Which of the following is a tertiary consumer ?

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  8. Natural reservoir of phosphorus is

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  9. Secondary productivity is rate of formation of new organic matter by:

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

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  11. The first stable product of fixation of atmospheric nitrogen in legumi...

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  12. Detritivores break down detritus into smaller particles. This process ...

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  13. The correct sequence of seral stages in hydrosere is:

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  14. Pyramid of energy is :

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

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  16. Macth the following and select the correct option. (a) Earthworm (...

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

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  18. In a food chain, herbivores are:

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  19. Ecotone is

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

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