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NEET 2016 Phase 1 · BiologyPrevious Year Question

Which of the following is wrongly matched in the given table (Microbe – Product – Application)?

Answer: (D) Clostridium butylicum – Lipase – Removal of oil stains. Answer: (4) Clostridium butylicum – Lipase – Removal of oil stains Solution: This row is wrongly matched.

  1. A.Trichoderma polysporum – Cyclosporin A – Immunosuppressive drug
  2. B.Monascus purpureus – Statins – Lowering of blood cholesterol
  3. C.Streptococcus – Streptokinase – Removal of clot from blood vessel
  4. D.Clostridium butylicum – Lipase – Removal of oil stains✓

Correct Answer

(D) Clostridium butylicum – Lipase – Removal of oil stains

Solution & Explanation

Answer: (4) Clostridium butylicum – Lipase – Removal of oil stains Solution: This row is wrongly matched. Clostridium butylicum is an acid producer that makes butyric acid, not lipase. Lipases are enzymes (used in detergents to remove oily stains), but they are not produced by Clostridium butylicum. The other three rows are correct: Trichoderma polysporum gives cyclosporin A (immunosuppressive), Monascus purpureus gives statins (lower cholesterol), and Streptococcus gives streptokinase (clot buster). NCERT Reference: Ch 8, p.153, line 13 — "Clostridium butylicum (a bacterium) of"

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