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प्रश्न
Given below is a list of six micro-organisms. State their usefulness to humans.
- Nucleopolyhedrovirus
- Saccharomyces cerevisiae
- Monascus purpureus
- Trichoderma polysporum
- Penicillium notatum
- Propionibacterium sharmanii
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उत्तर
| Micro-Organism | Usefulness to Humans | |
| (a) | Nucleopolyhedrovirus |
|
| (b) | Saccharomyces cerevisiae |
|
| (c) | Monascus purpureus | Statins produced by it work as blood cholesterol-lowering agents. |
| (d) | Trichoderma polysporum | It produces cyclosporin A, which works as an immunosuppressant. |
| (e) | Penicillium notatum | It is a source of penicillin, an antibiotic. |
| (f) | Propionibacterium shermanii | 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 amounts of carbon dioxide. |
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संबंधित प्रश्न
Trichoderma konigi is a source of _______ enzyme.
(A) invertase
(B) lipase
(C) pectinase
(D) cellulase
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Give an example of a bacterium, a fungus and an insect that are used as biocontrol agents.
Why are the spores of Bacillus thuringiensis used as bioinsecticide?
Match the column A with B and rewrite correct pairs
| A | B | |
| I | Mycoherbicides | Cactoblastis |
| II | Bacterial herbicides | Alternaria |
| III | Insects as herbicides | Xanthomonas |
Which of the following statements regarding biocontrol agents are correct?
Which of the following is TRUE regarding Bacillus thuringiensis?
Which of the following can be killed using Nosema locustae?
Identify the INCORRECT statement regarding Bacillus thuringiensis.
Which of the following is the host for microbial pesticide Beauveria bassiana?
Which group features jointed appendages?
Match the items in Column ‘A’ and Column ‘B’ and choose correct answer.
| Column I | Column II |
| A. Lady bird | i. Methano bacterium |
| B. Mycorrhiza | ii. Trichoderma |
| C. Biological control | iii. Aphids |
| D. Biogas | iv. Glomus |
The correct answer is:
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Many members of genus Glomus form a mycorrhizal association with plants. Elaborate how is this association beneficial to the plants.
Organic farmer use Baculovirus as biological control agents. Explain.
Which one of the following is NOT a bioherbicide of bacterial origin?
