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प्रश्न
How has the bacterium Bacillus thuringiensis helped us in controlling caterpillars of insect pests?
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उत्तर
Bacillus thuringiensis produces endotoxin, which disrupts the gut lining of caterpillar larvae, killing them and controlling insect pests effectively. This toxin has been used in biopesticides and genetically modified Bt crops like cotton.
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संबंधित प्रश्न
Name a genus of baculovirus.
Name the bioactive molecules produced by Trichoderma polysporum and Monascus purpureus.
What is VAM?
Why are baculoviruses considered good biocontrol agents?
Why are the spores of Bacillus thuringiensis used as bioinsecticide?
Give the biological name of the following:
The fungus that is being developed as a bio-control agent.
Write a note on biocontrol agents.
Select the odd one from given herbicides.
Which of the following is the INCORRECT statement with respect to biocontrol agents?
Which of the following is the host for microbial pesticide Beauveria bassiana?
Which of the following is TRUE regarding Xanthomonas and Pseudomonas?
Identify the reason/s due to which Trichoclerma species is a potent biocontrol agent.
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:
Define bioherbicides.
give any two examples of microbial herbicides.
Which one of the following is NOT a bioherbicide of bacterial origin?
Which one of the following is NOT an action of biocontrol on a pest?
What is the mechanism by which Bacillus thuringiensis (Bt) kills insect larvae?
What is the primary advantage of using baculoviruses as biocontrol agents in integrated pest management?
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 fungal biocontrol agent is used to control aphids, mites, and whiteflies?
Which fungal mycoherbicide is used to control most weeds?
What is an example of a transgenic plant mentioned as a category of bioherbicide?
What role does Trichoderma play in the root ecosystem?
Why are baculoviruses described as 'species-specific' biocontrol agents?
