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[A] : There is a gradual increase in the...

[A] : There is a gradual increase in the energy content at successive trophic level from producer to consumers .
[R] : Pyramid of energy does not show energy accumulation pattern at different trophic levels .

A

If both A and R are true and R is the correct explanation of A

B

If both A and R are true but R is not the correct explanation of A

C

If A is true and R is false

D

If both A and R are false

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[A] : There is a grudual increase in the energy content at successive trophic level from producer to consumers . [R]:When one organism benefits the other in a chain , it is called commensalism .

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TRUEMAN BIOLOGY-Ecology -ASSERTION AND REASON
  1. [A] : Food chains are not paths of energy flow through an ecosystem. ...

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  2. [A] : There is a grudual increase in the energy content at successive ...

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  3. [A] : There is a gradual increase in the energy content at successive ...

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  4. [A] : Carbon monoxide is poisonous . [R] : It destroys RBC .

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  5. [A] : An estimation of B.O.D gives an indication of the amount of poll...

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  6. [A] : PAN is a secondary pollutant . [R] : The secondary pollutants ...

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  7. [A] : Soil particles , particularly clay and organic matter in soil , ...

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  8. [A] : Algal blooms deplete dissolved O(2) levels in polluted water bod...

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  9. [A] : Orchids are most threatened plants in tropics . [R] : Tropical...

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  10. [A] : Vegetation in the catchment areas prevents flash floods in the d...

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  11. [A] : Sedimentation which has been going on since the earth was forme...

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  12. [A] : When the organisms live together in such a manner that one organ...

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  13. [A] : Aerenchyma is a specialized tissue in some water plants characte...

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  14. [A] : The pyramid of biomass indicates the decrease or the gradual red...

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  15. [A] : Climate is affected by vegetation . [R] : The indirect factors...

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  16. [A] : Man is the consumer of the ecosystem . [R] : An antiforest con...

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  17. [A] : The importance of ecosystem lies in flow of energy and cycling o...

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  18. [A] : Biomonitoring is reliable for determining the pollutants in air ...

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  19. [A] : The food webs are very important in maintaining the stability of...

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  20. [A] : If phytoplanktons are destroyed in the sea then it will effect t...

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