alleryThyroxine, which regulates the metabolic rate of the body, is produced by the:
AAdrenal gland
BPancreas
CThyroid gland
DPituitary gland
Answer & Solution
Correct answer: C. Thyroid gland
1. THYROID gland secretes thyroxine (T₄) and triiodothyronine (T₃).
2. Thyroxine controls metabolism, growth, energy use.
3. Iodine deficiency → goitre (enlarged thyroid).
_Source: syllabus Science Ch 6 §6.2 Endocrine Glands_
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