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STD 11 - 19. Chemical coordination and integration — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 19. Chemical coordination and integration1 Mark
MCQ
Graves’ disease is caused due to
  • A
    hyposecretion of thyroid gland
  • ✓
    hypersecretion of thyroid gland
  • C
    hyposecretion of adrenal gland
  • D
    hypersecretion of adrenal gland.
✓

Answer

Correct option: B.
hypersecretion of thyroid gland
b
(b) : Exophthalmic goitre or Graves’ disease is a thyroid enlargement (goitre) in which the thyroid secretes excessive amount of thyroid hormone. It is characterised by exophthalmia (protrusion ofeye balls because of fluid accumulation behind them), loss of weight, slightly rise in the body temperature, excitability, rapid heart beat, nervousness and restlessness.

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