A: In secondary productivity,no new organic m | vedclass

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(C) Secondary productivity is defined as the rate of formation of new organic matter by consumers.However,the assertion states that 'no new organic ma

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Assertion is correct,but Reason is incorrect.

Vedclass · Answer

(C) Secondary productivity is defined as the rate of formation of new organic matter by consumers.However,the assertion states that 'no new organic matter is formed',which is scientifically incorrect because consumers do synthesize their own biomass (tissues) using the energy derived from primary producers.The reason states that it is the utilisation of food manufactured by primary producers to build consumer biomass,which is a correct description of the process.Since the assertion is false and the reason is true,the correct option is $C$.

$A$: In secondary productivity,no new organic matter is formed.
$R$: It is only the utilisation of part of food manufactured by primary producers in the building of consumer biomass.

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$A$: In secondary productivity,no new organic matter is formed.$R$: It is only the utilisation of part of food manufactured by primary producers in the building of consumer biomass.