Botany-Respiratory Quotient
NEET Botany Respiratory Quotient MCQ Question
Type: MCQ-conceptual-Medium-Class 11
Which of the following statements about the Respiratory Quotient (RQ) is correct?
A
The RQ is defined as the ratio of CO2 evolved to O2 consumed during respiration.
B
An RQ of less than 1 indicates that more O2 is consumed than CO2 produced.
C
The RQ remains constant regardless of the type of respiratory substrate used.
D
Carbohydrates yield an RQ greater than 1 when completely oxidized.
Correct Answer
Option A
Detailed Explanation
The RQ is indeed defined as the ratio of the volume of CO2 evolved to the volume of O2 consumed during respiration, as stated in the NCERT context. An RQ of 1 indicates equal amounts of CO2 and O2, specifically when carbohydrates are used as substrates.
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