Question

The RQ of fats and proteins is ________ respectively.

• A. 0.7 and 0.9
• B. 0.7 and 1.0
• C. 0.9 and 0.7
• D. 1.0 and 0.7

Hint:

RQ value helps identify the type of respiratory substrate being used.

Answer 1

The Correct Option is A

Step 1: Understanding Respiratory Quotient (RQ).
RQ is the ratio of the volume of carbon dioxide produced to the volume of oxygen consumed during respiration.

Step 2: RQ values for different substrates.
Fats require more oxygen for oxidation, resulting in a lower RQ of about 0.7.
Proteins have an RQ of approximately 0.9 due to their mixed composition.

Step 3: Conclusion.
Hence, the RQ of fats and proteins is 0.7 and 0.9 respectively.