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[A] : The biotic community and the non l...

[A] : The biotic community and the non living enviroment of an ara function together to form a ecosystem .
[R]: The change in biotic components causes a change in abiotic components also.

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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TRUEMAN BIOLOGY-Ecology -ASSERTION AND REASON
  1. [A] : Primary productivity is shown by green plants only . [R] : Pri...

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  2. [A] : Energy pyramid is sloping . [R] : The energy of one trophic le...

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  3. [A] : The biotic community and the non living enviroment of an ara fun...

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  4. [A] :Green plants ara secondary consumers [R]: Microconsumers break...

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  5. [A] : A food chain is a group of organism in which there is a transfer...

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  6. [A] : Food chains are not paths of energy flow throgh and ecosysterm. ...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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