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प्रश्न
Explain the significant role of the genus Nucleopolyhedrovirus in an ecological sensitive area.
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उत्तर
The genus Nucleopolyhedrovirus plays a key role in ecologically sensitive areas by acting as a species-specific biological control agent for insect pests. It kills target pests without harming plants, mammals, birds, fish, or beneficial insects, helping to conserve biodiversity and aid integrated pest management.
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संबंधित प्रश्न
With the help of a neat and labelled diagram explain VAM (vesicular arbuscular mycorrhizae).
Trichoderma konigi is a source of _______ enzyme.
(A) invertase
(B) lipase
(C) pectinase
(D) cellulase
Name a genus of fungi that forms a mycorrhizal association with plants.
Write a note on biocontrol agents.
What is mycorrhiza?
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 is TRUE regarding Bacillus thuringiensis?
Which of the following can be killed using Nosema locustae?
Identify the INCORRECT statement regarding Bacillus thuringiensis.
Which one of the following statements is WRONG in relation to transgenic Bt cotton plant?
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:
What for Nucleopolyhydro viruses are being used now a days?
Name any genetically modified crop.
Many members of genus Glomus form a mycorrhizal association with plants. Elaborate how is this association beneficial to the plants.
Organic farmer use Trichoderma as biological control agents. Explain.
Organic farmer use Baculovirus as biological control agents. Explain.
- Give an example of a genus of virus used as narrow spectrum insecticidal biocontrol agent.
- How does its use serve as an aid in overall integrated pest management programme?
Which fungal biocontrol agent is used to control aphids, mites, and whiteflies?
Which bacterial pathogens are mentioned as being used in microbial herbicides to attack several weeds?
