Assertion :When carbohydrates are used as substrate and are completely oxidised the RQ is equal to 1 Reason: When proteins are used in respiration , the RQ is greater than 1.

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 C Assertion is correct but Reason is incorrect
The respiratory quotient depends upon the type of respiratory substrate used during respiration. When carbohydrates are used as substrate and are completely oxidised, the RQ will be 1. When proteins acts as respiratory substrates the value of RQ would be about 0.9 i.e., (less than one)

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