Thyroid, Parathyroid and thymus glands β€” NEET Biology Questions

Practice 31 questions on Thyroid, Parathyroid and thymus glands from Chemical coordination and integration (NCERT Class 11, Chapter 19). Free samples below β€” get all 31 in the app.

31 Questions Chemical coordination and integration Class 11

Sample Questions β€” Thyroid, Parathyroid and thymus glands

Try 5 questions below from Thyroid, Parathyroid and thymus glands. Get all 31 in the MedicNEET app.

MCQ
What role do thymosins play in immunity?
  • A. Stimulate insulin production
  • B. Differentiation of T-lymphocytes
  • C. Break down calcium
  • D. Stimulate growth
βœ… Correct Answer: B
Supports both cell-mediated and humoral immunity.
MCQ
What hormones are secreted by the thymus?
  • A. Thymosins
  • B. Thyroxine
  • C. Prolactin
  • D. Interleukins
βœ… Correct Answer: A
These regulate immune function and T-cell development.
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MCQ
What condition results from iodine deficiency?
  • A. Diabetes
  • B. Goitre
  • C. Acromegaly
  • D. Rickets
βœ… Correct Answer: B
Insufficient iodine causes thyroid enlargement.
MCQ
Which of the following statements best defines the role of PTH?
  • A. It is hypocalcemic in action
  • B. It reduces calcium levels in blood
  • C. It is hypercalcemic and promotes bone mineralisation
  • D. It is hypercalcemic and stimulates bone resorption
βœ… Correct Answer: D
PTH increases Ca²⁺ levels by bone resorption. Trap: (c) wrongly suggests mineralisation instead of demineralisation.
MCQ
Exophthalmic goitre is another name for which condition?
  • A. Graves’ disease
  • B. Cretinism
  • C. Acromegaly
  • D. Gigantism
βœ… Correct Answer: A
Characterized by eye protrusion, weight loss, high BMR.

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