Discussion
The correct match of natural product in Column II with class in Column I is :
| Column I | Column II |
|---|---|
| (a) Terpene | (i) Strychnine |
| (b) Alkaloid | (ii) Cortisone |
| (c) Steroids | (iii) Chitin |
| (d) Polysaccharide | (iv) Camphor |
Answer: A
The correct match is (a-iv) (b-i) (c-ii) (d-iii).
- Camphor is a bicyclic monoterpene ketone (terpene, a-iv).
- Strychnine is an indole alkaloid (b-i).
- Cortisone is a corticosteroid hormone with the steroid nucleus (c-ii).
- Chitin is a polysaccharide of N-acetylglucosamine (d-iii).
Option B calls strychnine a terpene, option C calls chitin a steroid, and option D calls chitin a terpene; each misclassifies at least two compounds.
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