STANDARDBotany-Respiration in Plants

STANDARD Botany Respiratory Quotient MCQ Question

Type: MCQ-conceptual-Medium-Class 11

If R. Q. is less than 1.0 in a respiratory metabolism, is means that

A

carbohydrates are used as respiratory substrate.

B

organic acids are used as respiratory substrate.

C

the oxidation of the respiratory substrate consumed more oxygen than the amount of CO₂ released.

D

the oxidation of the respiratory substrate consumed less oxygen than the amount of CO₂ released.

Correct Answer

Option C

Detailed Explanation

A respiratory quotient (R.Q.) less than 1.0 indicates that more oxygen is consumed than CO₂ released, typical of the oxidation of fats or proteins.

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