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 the respiratory substrate.
B
The value of RQ is dependent on the type of respiratory substrate being used.
C
An RQ value greater than 1 indicates the complete oxidation of carbohydrates.
D
The respiratory quotient can be calculated using the formula RQ = volume of O2 consumed / volume of CO2 evolved.
Correct Answer
Option A
Detailed Explanation
The RQ for carbohydrates is indeed 1 as equal amounts of CO2 and O2 are exchanged. RQ depends on the substrate type, with carbohydrates having a specific RQ of 1, which is a unique characteristic of their complete oxidation.
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