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Statins, blood-cholesterol lowering agents, are produced by
A{'text': 'Trichoderma polysporum (fungus)', 'label': 'A'}
B{'text': 'Monascus purpureus (yeast)', 'label': 'B'}
C{'text': 'Streptococcus (bacterium)', 'label': 'C'}
D{'text': 'Aspergillus niger (fungus)', 'label': 'D'}
Answer & Solution
Correct answer: B. {'text': 'Monascus purpureus (yeast)', 'label': 'B'}
1. NCERT names the yeast Monascus purpureus as the producer of statins.
2. Statins act by competitively inhibiting the enzyme responsible for cholesterol synthesis.
3. Trichoderma polysporum produces cyclosporin A (immunosuppressant).
4. Streptococcus (modified) produces streptokinase, a clot-buster.
_Source: NCERT Class 12 Biology, Ch 8 "Microbes in Human Welfare", §8.2.3_
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