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Given below is a list of six micro-organisms. State their usefulness to humans. - Biology

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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

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Solution

Micro-Organism Usefulness to Humans
 Nucleopolyhedrovirus
  • It is a biological control agent.
  • It is a species-specific insecticide.
Saccharomyces cerevisiae
  • It is used to ferment bread dough.
  • It is used in the preparation of ethanol by fermenting fruit juices and cereals.
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.
Concept: Microbes as Biocontrol Agents
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