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The primary producers of the deep-sea hy...

The primary producers of the deep-sea hydrothermal vent ecosystem are:

A

Coral reefs

B

Green algee

C

Chemosynthtic bacteria

D

Blue - green algae

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The correct Answer is:
C
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MODERN PUBLICATION-ECOSYSTEM -COMPETITION FILE (OBJECTIVE TYPE QUESTIONS)(A. MULTIPLE CHOICE QUESTIONS)
  1. The pyramid of numbers in a grassland ecosystem is

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  2. Which of the following is a correct food chain?

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  3. The primary producers of the deep-sea hydrothermal vent ecosystem are:

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  4. Which of the following would appear as the pioneer organisms on bare r...

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  5. Which of the following is a characteristic feature of cropland ecosyst...

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  6. The term ecosystem was coined by

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  7. Amount of energy transferred from one trophic level to next is

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  8. Which of the following scientists proposed the concept of ecological f...

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  9. In the process of plant ecological succession, the final stage is :

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  10. A grazing food chain always starts with :

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  11. Source of energy in an ecosystem is :

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  12. Which of the following gas contributes maximum in global warming ?

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  13. Deforestation generally results in reduction of :

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  14. Biomagnifications is due to :

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  15. In hydrarch, which organism constitute pioneer community ?

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  16. Primary carnivores are :

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  17. Which ecosystem has the maximum biomass

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  18. Presence of plants arranged into well defined vertical layers dependin...

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  19. A nitrogen - fixing microbe associated with Azolla is :

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  20. In a food chain , deers are :

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