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प्रश्न
Why are the biocontrol agents preferred over the chemical pesticides?
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उत्तर
Biocontrol agents do not pollute the environment and are highly specific in nature.
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संबंधित प्रश्न
With the help of a neat and labelled diagram explain VAM (vesicular arbuscular mycorrhizae).
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Match the column A with B and rewrite correct pairs
| A | B | |
| I | Mycoherbicides | Cactoblastis |
| II | Bacterial herbicides | Alternaria |
| III | Insects as herbicides | Xanthomonas |
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Which of the following is the INCORRECT statement?
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- What effect will the spores of Bt have on the insect pest?
- How has field B developed resistance against this pest?
