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Microbes In Human Welfare

Question
CBSEENBI12001961
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Given below is a list of six micro-organism. State their usefulness to humans.
(a) Nucleopolyhedrovirus
(b) Saccharomyces cervisiae
(c) Monascus purpureus
(d) Trichoderma polysporum
(e) Peniciliu notatum.
(f) Propionibacterium sharmanni

Solution

The usefulness of various micro-organisms to humans - :
(a) Nucleopolyhedrovirus - It is a biological control agent and is used as a species-specific insecticide.

(b) Saccharomyces cerevisiae - It is used to ferment bread dough.
It is used in the preparation of ethanol by fermenting fruit juices and cereals.
(c) Monascuspurpureus - Statins produced by it work as blood cholesterol lowering agents.

(d) Trichoderma polysporum - It produces cyclosporin A, which is used as an immunosuppressant.

(e) Penicillium notatum - It is a source of penicillin, an antibiotic.

(f) Propionibacterium sharmanii - It helps in the ripening of swiss cheese. It produces large amount of CO2 and thus is responsible for the appearance of large holes in the cheese.

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