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When an organism is benefitted without a...

When an organism is benefitted without affecting the other is called :

A

Mutualism

B

Symbiosis

C

Commensalism

D

Parasitism

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The correct Answer is:
C
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MBD PUBLICATION-ECOSYSTEMS-QUESTION BANK
  1. 10% energy transfer law in food chain was first given by

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  2. Pedology is the study of:

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  3. When an organism is benefitted without affecting the other is called :

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  4. Which one of the following is correct food chain ?

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  5. Concept of ecological pyramids was other in a food chain is :

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  6. Energy transfer from one trophic level to other in a food chain is :

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  7. In any food chain ,the largest population is that of

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  8. Which of the following is the most stable ecosystem?

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  9. In a biotic community (ecosystem) the primary consumers are:

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  10. If we completely remove the decomposers from an ecosystem ,its functio...

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  11. The driving force of the ecosystem is :

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  12. The food chain ,in which micro -organisms break down the energy -rich ...

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  13. A group of individuals belonging to same species constitute a :

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  14. A beneficial association which is necessary for survival of both partn...

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  15. Ecological succession on sand is:

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  16. Primary succession on rocks starts with :

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  17. The first plants to appear in a badly burnt forest area will most prob...

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  18. The ultimate seral community appears in an area as a result of :

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  19. The physiographic factor responsible for the initiation of succession ...

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  20. The ecological succession was first studied by :

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