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प्रश्न
Name a genus of baculovirus.
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उत्तर
A genus of baculovirus is Nucleopolyhedrovirus. It is used as a biological control agent in integrated pest management because it specifically targets insects without harming other organisms.
संबंधित प्रश्न
Trichoderma konigi is a source of _______ enzyme.
(A) invertase
(B) lipase
(C) pectinase
(D) cellulase
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
Why are baculoviruses considered good biocontrol agents?
Give two examples of microbial pesticides with their hosts.
Organic farmers prefer the biological control of diseases and pests to the use of chemicals for the same purpose. Justify
Give an example of a bacterium, a fungus and an insect that are used as biocontrol agents.
Give the biological name of the following:
The microbe used to control insect larvae growing on cotton.
How does the activity of each one of the following help in organic farming?
Mycorrhiza
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 statements regarding biocontrol agents are correct?
The free-living fungus Trichoderma can be used for ______.
What for Nucleopolyhydro viruses are being used now a days?
Name any genetically modified crop.
How has the bacterium Bacillus thuringiensis helped us in controlling caterpillars of insect pests?
Describe the main ideas behind the biological control of pests and diseases.
Organic farmer use Trichoderma 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?
give any two examples of microbial herbicides.
Which one of the following is NOT an action of biocontrol on a pest?
