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in a given case if CO 2 during respiration is more than the volume of O 2 used the substance will be fats organic acid protien carbohydrate

in a given case if CO during respiration is more than the volume of O2 used the substance will be
  1. fats
  2. organic acid
  3. protien
  4. carbohydrate


2 Answers

askIITians Faculty 164 Points
6 years ago
Hello Student
Correct answer is 2. organic acid
if we calculate then CO2liberated upon O2used is equal to Respiratory Quotient (RQ).
RQ is more than 1 in case of organic acid whereas fat protein and carbohydrate RQ is less than 1.
When CO2is more than the volume of O2then Respiratory Quotient is more than 1, so it is organic acid
Raheema Javed
156 Points
6 years ago
The correct answer is (2) Organic acids.

The respiratory quotient (RQ) is the ratio:
RQ = CO2 eliminated / O2 consumed
where the term "eliminated" refers to carbon dioxide (CO2) removed ("eliminated") from the body.
The RQ for carbohydrates is 1 that means amount of CO2 removed and O2 consumed is equal. RQ for protein is 0.8-0.9 and that of fat is 0.7 (less than 1) which means CO2 removed is less than O2 consumed. RQ of organic acids is more than 1 i.e., 1.33-4, therefore in case of organic acids the volume of CO2 is more than the volume of O2 during respiration.

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