Which one of the following correctly pairs an endocrine gland with the hormone it secretes?
APancreas — Adrenaline released
BAdrenal — Insulin released
CThyroid — Thyroxine released
DPituitary — Glucagon released
Answer & Solution
Correct answer: C. Thyroid — Thyroxine released
1. Match each hormone to its source gland.
2. Thyroxine is made by the **thyroid gland** — this pair is correct.
3. Adrenaline is from adrenal, insulin from pancreas, glucagon also from pancreas.
4. So pancreas–adrenaline, adrenal–insulin and pituitary–glucagon are all wrong.
_Source: Selina Concise ICSE Class 8 Biology Ch 5 "Endocrine System and Adolescence", Major endocrine glands_
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