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Question

Read the assertion and reason carefully to mark the correct option in question.

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 and can be used for the production of energy, whenever necessary.


A

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

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B

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

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C

If assertion is true but the reason is false.

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D
If both assertion and reason are false.
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Solution

The correct option is A

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


Assertion - reason relation

Respiratory substrates are those organic compounds which are oxidised during respiration to liberate energy inside the living cells.

The various respiratory substrates are carbohydrates, proteins, fats and organic acids. Corbohydrates are the most preferred respiratory substrates because they enter the respiratory pathway directly and are easily metabolised.

Fats and proteins cannot be directly used in respiration. Instead they are first broken down to intermediates common to carbohydrate oxidation.

Excess carbohydrates stored in tissue as glycogen (in animals and fungi). It is majorly stored in skeletal muscles and liver and used in production of energy, when necessary.

Therefore, both assertion and reason both are true but reason is not is the correct explanation for the assertion.

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