Respiration in Plants: Alternative substrates MCQ

Solve this quality-checked NEET multiple-choice question, then review the correct answer and explanation.

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Alternative substratesHardQuestion 10933

Question

Which statement is correct?

A
Respiration may use fats and proteins when carbohydrates are limited or during specific stages
Correct
B
Plants respire only glucose under all conditions
C
Proteins cannot ever enter respiration
D
RQ is always 1 regardless of substrate

Respiration may use fats and proteins when carbohydrates are limited or during specific stages

Plants can draw on multiple substrates depending on state and need.