Question:

Match the following

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Peptide = ADH/oxytocin, Protein = TSH/ACTH, Steroid = sex hormones, Amine = thyroxine/melatonin.
Updated On: Jul 18, 2026
  • A4, B3, C2, D1
  • A2, B1, C4, D3
  • A3, B1, C2, D4
  • A2, B4, C3, D1
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The Correct Option is B

Solution and Explanation

Step 1: Understanding hormone classification.
Hormones are classified based on chemical nature into peptide, protein, amine, and steroid hormones. Each type has distinct structure and function in the body.

Step 2: Peptide hormones.
Peptide hormones are short chains of amino acids. ADH (vasopressin) and oxytocin are examples of peptide hormones.

Step 3: Protein hormones.
Protein hormones are larger polypeptides with complex structure. TSH and ACTH are classical protein hormones secreted by the pituitary gland.

Step 4: Amine hormones.
Amine hormones are derived from amino acids like tyrosine or tryptophan. Melatonin and thyroxin are examples of amine-derived hormones.

Step 5: Steroid hormones.
Steroid hormones are derived from cholesterol. Estrogen and testosterone belong to this category and regulate reproductive functions.

Step 6: Final conclusion.
Thus, correct matching is A2, B1, C4, D3.
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