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Select the formula for ecological effici...

Select the formula for ecological efficiency:

A

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

B

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

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
D
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PRADEEP-ECOSYSTEM-Multiple choice question
  1. Identify the correct type of food chain. Dead animal rarr Blowfly m...

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  2. Trophic levels in ecosystem is formed by:

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  3. Select the formula for ecological efficiency:

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  4. The final stable community in ecological succession is:

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

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  6. Desert, grassland, forests and tundra are the example of:

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  7. Which of the following is a free-living nitrogen fixing bacterium pres...

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  8. Which of the following fixes atmospheric N(2) ?

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  9. Pyramid of energy in a river ecosystem is:

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  10. Which one of the following types of organisms occupy more than one tro...

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  11. Chipko movement was launched for the protection of

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  12. The correct sequence of plants in a hydrosere is

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  13. Which one of the following is a symbiotic nitrogen fixer?

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  14. During the process of ecological succession the changes that take plac...

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  15. Climax community is in a state of

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  16. Among the following biogeochemical cycles, which one does not have los...

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  17. The sequence of communities of primary succession in water is

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  18. The reservoir for the gaseous type of bio-geo chemical cycle exists in...

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  19. If the carbon atoms fixed by producers already have passed through thr...

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  20. Which of the following type of ecosystem is expected in an area where ...

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