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Select the formula for ecological effici...

Select the formula for ecological efficiency:

A

`("Gross primary productivity")/("Incident total solar radiation")xx100`

B

`("Food energy assimilated")/("Food energy ingested")xx100`

C

`("Net primary productivity")/("Gross primary productivity")xx100`

D

`("Energy converted in biomass production at a trophic level ")/("Energy present in biomass production at previous trophic level ")xx100`

Text Solution

Verified by Experts

The correct Answer is:
D
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  2. Which of the following is false ?

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  3. Select the formula for ecological efficiency:

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  4. Pyramid that is never inverted is of

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  5. In an aquatic ecosystem, the trophic level equivalent to cows in grass...

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  6. If a single plant species is removed from a food web then mose likely

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  7. The correct sequence of plants in a hydrosere is

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  8. Which one of th following types of organisms occupy more than one trop...

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  9. The slow rate of decomposition of fallen logs in nature is due to thei...

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  10. Consider the following statements conerning food chains (i) Remova...

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  11. The great barrier reef along the east coast of Australia can be catego...

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  12. Rabbit is a

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  13. Identify the correct type of food chain.

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  14. Which of the following organisms forms the decomposers ?

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  15. Which one of the following shows detritus food chain?

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  16. Maximum net productivity in terrestrial ecosystem is:

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  17. In an ecosystem bacteria are considered as

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  18. Assertion (A) : A network of food chains existing together in an ecosy...

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  19. Which one of the following regarding ecological pyramid is not correct...

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  20. In a pyramid of numbers in a grassland ecosystem the largest populatio...

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