O-LevelBiologyCoordination & Response5090/12 · May/June 2023 · Q281 Mark
Which statement about auxin is correct?
AAuxin is equally distributed in the plant in response to gravity and light.
BAuxin inhibits cell elongation.
CAuxin is made in the plant stem.
DAuxin spreads through the plant from the shoot tip.
✓ Correct answer
D: Auxin spreads through the plant from the shoot tip.
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