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प्रश्न
Name any genetically modified crop.
Name a genetically modified crop.
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उत्तर
Bt cotton.
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संबंधित प्रश्न
With the help of a neat and labelled diagram explain VAM (vesicular arbuscular mycorrhizae).
Name a genus of baculovirus.
Name the bioactive molecules produced by Trichoderma polysporum and Monascus purpureus.
How do mycorrhizae act as biofertilizers? Explain.
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
Mention one advantage and one disadvantage to a farmer who uses them.
What is VAM?
Why are baculoviruses considered good biocontrol agents?
Give reasons for the following:
Nitrogenous fertilizers are not applied in fields where leguminous crops grow.
Write a note on biocontrol agents.
Select the odd one from given herbicides.
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 the INCORRECT statement with respect to biocontrol agents?
From the following which one is NOT a bacterial herbicide?
Identify the reason/s due to which Trichoclerma species is a potent biocontrol agent.
Describe the main ideas behind the biological control of pests and diseases.
Organic farmer use Trichoderma as biological control agents. Explain.
Define bioherbicides.
Explain how Bacillus thuringiensis acts as a bio-control agent.
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 function of substances such as viridin, gliotoxin, and gliovirin produced by Trichoderma species?
What is the primary advantage of using baculoviruses as biocontrol agents in integrated pest management?
What is the definition of bioherbicides?
Which bacterial pathogens are mentioned as being used in microbial herbicides to attack several weeds?
Which dragonflies control as a biocontrol insect agent?
