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प्रश्न
What is mycorrhiza?
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उत्तर
Mycorrhiza is a fungus. It forms symbiotic associations with the underground parts, like rhizomes and roots of higher plants occurring in thick, humid forests.
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संबंधित प्रश्न
State the medicinal value and the bioactive molecules produced by Streptococcus, Monascus and Trichoderma.
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
Explain the significant role of the genus Nucleopolyhedrovirus in an ecological sensitive area.
What is VAM?
Give reasons for the following:
Nitrogenous fertilizers are not applied in fields where leguminous crops grow.
Organic farmers prefer the biological control of diseases and pests to the use of chemicals for the same purpose. Justify
Why are the spores of Bacillus thuringiensis used as bioinsecticide?
Write a note on biocontrol agents.
Which of the following can be killed using Nosema locustae?
Which of the following is the INCORRECT statement with respect to biocontrol agents?
Which of the following is the INCORRECT statement?
Identify the reason/s due to which Trichoclerma species is a potent biocontrol agent.
What for Nucleopolyhydro viruses are being used now a days?
How do microbes reduce the environmental degradation caused by chemicals?
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 an action of biocontrol on a pest?
