Match the following columns and select the correct option: Column-I (a) Clostridium butylicum (b) Trichoderma polysporum (c) Monascus purpureus (d) Aspergillus niger Column-II (i) Cyclosporin-A (ii) Butyric acid (iii) Citric acid (iv) Statins Choose the correct option.
Answer: (D) a-ii, b-i, c-iv, d-iii. Answer: (d) a-ii, b-i, c-iv, d-iii Solution: Clostridium butylicum produces butyric acid, Trichoderma polysporum produces the immunosuppressant cyclosporin-A, Monascus purpureus produces statins (blood-cholesterol lowering agent), and Aspergillus niger produces citric acid.
- A.a-i, b-ii, c-iv, d-iii
- B.a-iv, b-iii, c-ii, d-i
- C.a-iii, b-iv, c-ii, d-i
- D.a-ii, b-i, c-iv, d-iii✓
Correct Answer
(D) a-ii, b-i, c-iv, d-iii
Solution & Explanation
Answer: (d) a-ii, b-i, c-iv, d-iii Solution: Clostridium butylicum produces butyric acid, Trichoderma polysporum produces the immunosuppressant cyclosporin-A, Monascus purpureus produces statins (blood-cholesterol lowering agent), and Aspergillus niger produces citric acid. This gives a-(ii), b-(i), c-(iv), d-(iii). NCERT Reference: Ch 8, p.153, line 13 — "Clostridium butylicum (a bacterium) of"