Question

Match the following columns and select the correct option:

	Column-I		Column-II
(a)	Pituitary hormone	(i)	Steroid
(b)	Epinephrine	(ii)	Neuropeptides
(c)	Endorphins	(iii)	Peptides, proteins
(d)	Cortisol	(iv)	Biogenic amines

• A. (a)-(iii), (b)-(iv), (c)-(ii), (d)-(i)
• B. (a)-(iv), (b)-(i), (c)-(ii), (d)-(iii)
• C. (a)-(iv), (b)-(iii), (c)-(i), (d)-(ii)
• D. (a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)

Answer 1

The correct option is A (a)-(iii), (b)-(iv), (c)-(ii), (d)-(i)

Based on the biochemical nature, hormones can be classified as:

• Peptide, polypeptide, protein hormones: These hormones are composed of chains of amino acids. Pituitary hormones such as GH, FSH, LH, prolactin are protein hormones.
• Biogenic amines - They contain one or more amine groups. Epinephrine hormone secreted from the adrenal medulla is a biogenic amine.
• Neuropeptides are proteinaceous substances synthesized by the neurons. Endorphins are neuropeptides with pain-relieving properties naturally found in the brain.
• Steroid hormones are made up of cholesterol and are chemically steroids. Cortisol secreted from the adrenal cortex is a steroid hormone.