Botany-Respiratory Quotient
NEET Botany Respiratory Quotient MCQ Question
Type: MCQ-conceptual-Hard-Class 11
Which of the following statements about the respiratory quotient (RQ) is correct?
A
The RQ is always equal to 1 when carbohydrates are completely oxidised.
B
The RQ can be greater than 1 if proteins are the primary respiratory substrate.
C
The RQ is determined solely by the amount of oxygen consumed during respiration.
D
The RQ value indicates that more carbon dioxide is produced than oxygen consumed during aerobic respiration.
Correct Answer
Option A
Detailed Explanation
When carbohydrates are completely oxidised during aerobic respiration, the respiratory quotient is equal to 1, as equal amounts of CO2 and O2 are evolved and consumed, respectively.
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