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Cyclosporin A, used in organ transplant patients, is produced by
AStreptococcus species
BMonascus purpureus
CTrichoderma polysporum
DAspergillus niger
Answer & Solution
Correct answer: C. Trichoderma polysporum
1. A transplanted organ is rejected unless the immune response is suppressed.
2. Cyclosporin A is the immunosuppressive agent used for this.
3. It is produced by the fungus Trichoderma polysporum.
4. Streptococcus gives streptokinase and Monascus purpureus gives statins.
5. Matching the product to the organism is what this topic tests.
_Source: NCERT Class 12 Biology Ch8 'Microbes in Human Welfare'_
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