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प्रश्न
What for Nucleopolyhydro viruses are being used now a days?
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उत्तर
Necleopolyhydroviruses are used for the biological control of insect pesto.
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संबंधित प्रश्न
With the help of a neat and labelled diagram explain VAM (vesicular arbuscular mycorrhizae).
Name the bioactive molecules produced by Trichoderma polysporum and Monascus purpureus.
How do mycorrhizae act as biofertilizers? Explain.
Match the column A with B and rewrite correct pairs
| A | B | |
| I | Mycoherbicides | Cactoblastis |
| II | Bacterial herbicides | Alternaria |
| III | Insects as herbicides | Xanthomonas |
From the following which one is NOT a bacterial herbicide?
Identify the INCORRECT statement regarding Bacillus thuringiensis.
Which of the following is TRUE regarding Xanthomonas and Pseudomonas?
Identify the reason/s due to which Trichoclerma species is a potent biocontrol agent.
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:
Organic farmer use Baculovirus 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?
What is the mechanism by which Bacillus thuringiensis (Bt) kills insect larvae?
Which insect biocontrol agent is specifically useful for eliminating aphids?
What is the primary advantage of using baculoviruses as biocontrol agents in integrated pest management?
Which bacterial biocontrol agent is used to control crown gall disease of stone fruits?
What is the definition of bioherbicides?
Which insect is used as a biological herbicide to control the weed Senecio jacobeae?
What is the primary reason biocontrol is needed according to the material?
In biological farming, how are pests managed rather than controlled?
Which bacterial pathogens are mentioned as being used in microbial herbicides to attack several weeds?
