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Assertion: In most ecosystem , all the p...

Assertion: In most ecosystem , all the pyramids, of number, energy and biomass are upright.
Reason: In a food chain producers are more in number and biomass than the herbivores, and herbivores are more in number and biomass and carnivores.

A

If both assertion and reason are true and the reason is a correct explanation of the assertion.

B

If both assertion and reason are true but reason is not a correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If both assertion and reason are false.

Text Solution

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The correct Answer is:
A

In most ecosystems, all the pyramids , of number, energy and biomass are upright , because in a food chain producers are more in number and biomass than the herbivores, and herbivores are more in number and biomass than carnivores.
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Read the following statement . With respect to the ecological pyramid , mark the correct statements. a . In most of the ecosystems , pyramids of number , energy and biomass are upright . b. Producers are generally more in number or biomass than herbivores in an upright pyramid. c. Herbivores are less in number and biomass than carnivores in an inverted pyramid. d. Energy content is higher at a lower trophic level than that at a higher trophic level.

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