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 value of 1 indicates that carbohydrates are completely oxidized during respiration.

B

The RQ is always greater than 1 for all types of substrates used in respiration.

C

The RQ is a measure of the volume of oxygen consumed relative to the volume of carbon dioxide released.

D

The RQ only applies to anaerobic respiration in plants.

Correct Answer

Option A

Detailed Explanation

A respiratory quotient (RQ) value of 1 indicates that equal volumes of oxygen are consumed and carbon dioxide is released, specifically when carbohydrates are used as substrates during aerobic respiration.

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