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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
Trichoderma konigi is a source of _______ enzyme.
(A) invertase
(B) lipase
(C) pectinase
(D) cellulase
How do organic farmers control pests?
Name and explain the type of interaction that exists in mycorrhizae and between cattle egret and cattle.
Give reasons for the following:
Nitrogenous fertilizers are not applied in fields where leguminous crops grow.
Give two examples of microbial pesticides with their hosts.
Why are the spores of Bacillus thuringiensis used as bioinsecticide?
How does the activity of each one of the following help in organic farming?
Mycorrhiza
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 |
______ are controlled by the microbial herbicide Phytophthora palmivora.
Which of the following is TRUE regarding Bacillus thuringiensis?
Which of the following is the INCORRECT statement with respect to biocontrol agents?
From the following which one is NOT a bacterial herbicide?
Which of the following is the host for microbial pesticide Beauveria bassiana?
Which one of the following statements is WRONG in relation to transgenic Bt cotton plant?
How has the bacterium Bacillus thuringiensis helped us in controlling caterpillars of insect pests?
Organic farmer use Trichoderma as biological control agents. Explain.
A farmer grew 2 varieties of corn crops in fields A and B. He grew normal corn crops in field A and GM corn crops in field B. He observed corn borers attacked only in field A. To control it, spores of Bt were sprayed in field A.
- Name the gene in the spores responsible for the control of this pest.
- What effect will the spores of Bt have on the insect pest?
- How has field B developed resistance against this pest?
