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प्रश्न
How do organic farmers control pests?
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उत्तर
Organic farmers control pests by maintaining a balanced ecosystem where pests are kept at manageable levels without eradication. They use biological control methods, relying on natural predators and parasites. For example, ladybirds control aphids, and dragonflies control mosquitoes. This approach avoids chemical pesticides, preserving beneficial organisms and reducing environmental harm.
संबंधित प्रश्न
With the help of a neat and labelled diagram explain VAM (vesicular arbuscular mycorrhizae).
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.
Explain the significant role of the genus Nucleopolyhedrovirus in an ecological sensitive area.
State the difference in organic farmers approach from that of conventional pest control methods.
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
Which of the following is TRUE regarding Bacillus thuringiensis?
From the following which one is NOT a bacterial herbicide?
Which of the following is the host for microbial pesticide Beauveria bassiana?
Which of the following is the INCORRECT statement?
What for Nucleopolyhydro viruses are being used now a days?
Name any genetically modified crop.
Describe the main ideas behind the biological control of pests and diseases.
Organic farmer use Baculovirus as biological control agents. Explain.
Which of the following is incorrect regarding Bacillus thuringiensis?
Which one of the following is NOT a bioherbicide of bacterial origin?
