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When two organisms live together helping...

When two organisms live together helping each other ,the association is called :

A

Parasitism

B

Autoecism

C

Mutualism

D

Saprophytiam

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Verified by Experts

The correct Answer is:
C
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MBD PUBLICATION-ECOSYSTEMS-QUESTION BANK
  1. Vertical distfibution of species occupying different heights is :

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  2. Hydrilla is a

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  3. When two organisms live together helping each other ,the association i...

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  4. Pyramid of energy in aquatic ecosystem is :

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  5. Extinction of a species in a food chain is compensated by :

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  6. Phytoplanktons are :

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  7. Large unit of land having different types of plants and animals is kno...

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  8. Estnaries are considered as nutrient trap due to the mixing of :

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  9. Phytoplanktons are dominant in which of the following zone?

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  10. Detritus food chain starts from :

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  11. The dominant producers in the neritic zone of the sea are :

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  12. In which of the following biome maximum number of plants and animals a...

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  13. About 70% of total global carbon is found in :

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  14. Quercus species are the dominant component in :

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  15. Which of the following ecosystem has very little primary productivity ...

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  16. Which type of pyramind of energy is inverted ?

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  17. An organism contains carbon molecules which have passed through three ...

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  18. Which one of the following is considered as pioneer community in xerar...

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  19. Which one of the following type of organisms occupy more than one trop...

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  20. Energy and nutrients enter a community by :

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