Assertion :Death is essential in the life cycle of the organism. Reason: It helps to recycle the materials in the environment.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.

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Assertion is correct but Reason is incorrect.

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Both Assertion and Reason are incorrect.

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
Assertion is correct as death is essential in the life cycle of the organism as ot offers a number of advantages for the environment.
Reason is correct and correct explanation of assertion as well as It helps in recycling of materials in environment as complex organic matter is decomposed by decomposers such as bacteria and fungi. It also keeps check on the population size as well which increases constantly by reproduction. Hence, option A is correct.

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ASSERTION: n-Pentane and n-Hexane belong to a homologous series.

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Assertion (A) Order of the reaction can be zero or fractional.

Reason (R) We cannot determine order from balanced chemical equation.

(a) Both assertion and reason are correct and the reason is correct explanation of assertion
(b) Both assertion and reason are correct, but reason does not explain assertion.
(c) Assertion is correct, but reason is incorrect
(d) Both assertion and reason are incorrect
(e) Assertion is incorrect but reason is correct.

Assertion (A) Order and molecularity are same.

Reason (R) Order is determined experimentally and molecularity is the sum of the stoichimetric coeffcient of rate determining elementary step.

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