Plant Physiology Quiz | Agriculture MCQ Practice for IBPS AFO 2026

1

Secondary metabolites are often stored in:

Solution & Explanation Vacuoles store many secondary compounds.

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2

Leghemoglobin in nodules helps in:

Solution & Explanation Leghemoglobin regulates oxygen supply.

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3

If a cell has OP = 6 bar and TP = 6 bar, its DPD is:

Solution & Explanation DPD = OP – TP → 6 – 6 = 0 (fully turgid).

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4

Stomata close during water stress due to increase in:

Solution & Explanation Abscisic acid induces stomatal closure.

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5

A short-day plant is exposed to a flash of red light during its critical dark period. What will be the likely outcome?

Solution & Explanation Red light interrupts dark period and inhibits flowering in short-day plants.

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Plant Physiology Quiz for IBPS AFO 2026