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Which are the first organisms to coloniz...

Which are the first organisms to colonize on abare rock ?

A

Fungi

B

Lichens

C

Diatoms

D

Mosses

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Verified by Experts

The correct Answer is:
B
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MBD PUBLICATION-ECOSYSTEMS-QUESTION BANK
  1. Which one of the following type of organisms occupy more than one trop...

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  2. Energy and nutrients enter a community by :

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  3. Which are the first organisms to colonize on abare rock ?

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  4. The loss of energy as one proceeds from one trophic level to the next ...

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

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  6. In India ,tropical rain forests occur in :

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  7. Which of the ecological pyramid is always upright ?

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  8. Transition between two types of ecosystem is :

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  9. In a grazing food chain carnivores may also be referrred to :

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  10. Which one of the following animals may occupy more than one trophic le...

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  11. Both hydrarch and xerarch successions lead to

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  12. Large woody vines are more commonly found in :

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

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  14. The flow of energy in the ecosystem is :

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  15. Detritus food chain starts from :

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  16. Which of the following has the largest popuation in a food chain ?

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

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  18. The upright pyramid of number is absent in

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

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  20. Which of the following is true in case of pond ecosystem ?

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