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Question

Respiratory quotient (RQ) for fatty acid is


A

<1

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B

1

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C

>1

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D

0

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Solution

The correct option is A

<1


The correct option is A.

Explanation of correct option:

  1. Respiratory quotient or respiratory ratio is measured by the volume of carbon dioxide released over the volume of oxygen absorbed during the respiration process.
  2. In the case of fatty acids, the RQ is less than one.

Explanation of incorrect options:

Option B:

The RQ becomes 1 in the case of carbohydrates.

Option C:

The RQ is greater than 1 in overfeeding.

Option D:

In the case of incomplete oxidation, the RQ value becomes 0 and it is observed in succulent plants like Opuntia, Brophyllum, etc where no carbon dioxide is released.

Final answer: Respiratory quotient (RQ) for fatty acid is <1.


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