NEET Zoology Digestion and Absorption Questions Solved


Assertion      :       Carbohydrates are more suitable for the production of energy in the body than proteins and fats.

Reason         :       Carbohydrates can be stored in the tissues as glycogen for use in the production of energy, whenever necessary.

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Carbohydrates are more suitable for the production of energy in the body than proteins and fats, because carbohydrate molecules contain relatively more oxygen than the others, and consequently, requires less molecules oxygen for their oxidation. In other words, for each litre of oxygen consumed, carbohydrates yield far more energy than proteins or fats. Carbohydrates are also stored in the tissue as glycogen for use in the production of energy, when necessary. Glycogen is the stored fuel particularly in such tissues as skeletal muscles which then have to work with a supply of oxygen far lower than their immediate need.

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