alleryCyclosporin A, used as an immunosuppressive agent in organ transplant patients, is produced by
APenicillium notatum
BAspergillus niger
CTrichoderma polysporum
DSaccharomyces cerevisiae
Answer & Solution
Correct answer: C. Trichoderma polysporum
1. Cyclosporin A prevents immune rejection of transplanted organs.
2. syllabus credits its production to the fungus Trichoderma polysporum.
3. Penicillium notatum is the source of Penicillin.
4. Aspergillus niger produces citric acid; Saccharomyces produces ethanol.
_Source: syllabus Biology, Ch 8 "Microbes in Human Welfare", §8.2.3_
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