The correct option is
B 0.7-0.9
The correct option is B.
Explanation of correct option:
- The respiratory quotient is the actual ratio of the volume of carbon dioxide expelled to the volume of oxygen absorbed during cellular respiration.
- The respiratory ratio is another name for it and is abbreviated as ‘RQ
- RQ for protein is 0.7-0.9
Final answer: RQ for protein is 0.7-0.9