Question

In which process under metabolism energy is liberated because of respiration?

A

Catabolism

B

Anabolism

C

Excretion

D

Digestion

Medium
Updated on : 2022-09-05
Solution
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Correct option is A)

Option A:

Catabolism is a metabolic process in which complex organic molecules like carbohydrates are broken down into smaller molecules to generate energy.

It occurs during respiration and release energy because the reaction is exergonic.

Option B:

Anabolism is a metabolic process in which complex macromolecules are synthesized using simpler compounds.

This process requires energy and thus, an endergonic reaction.

Option C:

Excretion is the process of elimination of waste material out from the body.

Option D:

Digestion is the process of breaking the complex food into simpler substances and their absorption into the body fluid.

Hence the correct option is option A.

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