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[A] : The pyramid of biomass indicates t...

[A] : The pyramid of biomass indicates the decrease or the gradual reduction in biomass at each trophic level from base to apex .
[R] : In case of parasites , the pyramid of biomass is inverted .

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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  11. [A] : Water logged soils are physiologically dry . [R] : When the s...

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  20. [A] : Each food-level in an ecosystem is called trophic level . [R]...

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