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Control and Coordination — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceControl and Coordination1 Mark
MCQ
Plant hormone responsible for phototropism is :
  • A
    Gibberellins.
  • B
    Abscisic acid.
  • C
    Cytokinin.
  • ✓
    Auxin.
✓

Answer

Correct option: D.
Auxin.
The primary function of the auxin hormones is to elongate plant cells in the stem. For instance, auxins are the hormones responsible for phototropism, the growth of a plant toward the light.

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