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Question
Given below is a list of six micro-organisms. State their usefulness to humans.
(a) Nucleopolyhedrovirus
(b) Saccharomyces cerevisiae
(c) Monascus purpureus
(d) Trichoderma polysporum
(e) Penicillium notatum
(f) Propionibacterium sharmanii
Solution
| Micro-Organism | Usefulness to Humans |
| Nucleopolyhedrovirus |
|
| Saccharomyces cerevisiae |
|
| Monascus purpureus | Statins produced by it work as blood cholestrol lowering agents. |
| Trichoderma polysporum | It produces cyclosporin A, which works as an immunosuppressant. |
| Penicillium notatum | It is a source of penicillin, an antibiotic. |
| Propionibacterium sharmanii | It helps in the ripening of swiss cheese. It is also responsible for the appearance of large holes in the cheese, as it produces high amount of carbon dioxide. |
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