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Chemical coordination in plants — Biology STD 10 — Question

ICSE BoardEnglish MediumSTD 10BiologyChemical coordination in plants1 Mark
MCQ
Assertion: Gibberellins are responsible for breaking seed dormancy and initiating germination.
Reason : Gibberellins stimulate the synthesis of enzymes that break down starch reserves in the seed, providing energy for growth.
  • ✓
    Both A and R are True.
  • B
    Both A and R are False.
  • C
    A is True and R is False.
  • D
    A is False and R is True.
✓

Answer

Correct option: A.
Both A and R are True.
(a) Both A and R are True.
Explanation :
Gibberellins are indeed key hormones that help break seed dormancy and kick start the germination process. They do this by stimulating the production of enzymes that degrade stored starch in the seed into simpler sugars, providing the necessary energy for the seedling to grow.

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