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Question 10550
NEET Biology · Hard

Plant Growth and Development: Auxin movement MCQ

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Auxin movementHardQuestion 10550

Question

In phototropism of shoots, bending is explained by:

  1. A
    Auxin redistribution causing more elongation on shaded side
    Correct
  2. B
    More growth on illuminated side
  3. C
    ABA accumulation on shaded side only
  4. D
    Root cap secretion of gibberellin

Correct answer

Auxin redistribution causing more elongation on shaded side

Explanation

Greater elongation on the shaded side bends the shoot toward light.

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