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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
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.
Name the type of association that the genus Glomus exhibits with higher plants.
What is VAM?
How does the activity of each one of the following help in organic farming?
Mycorrhiza
Select the odd one from given herbicides.
Which of the following is the INCORRECT statement with respect to biocontrol agents?
Which of the following is the host for microbial pesticide Beauveria bassiana?
Which of the following is the INCORRECT statement?
Farmers have reported over 50% higher yield of rice by using which of the following biofertilizers?
What for Nucleopolyhydro viruses are being used now a days?
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 Baculovirus as biological control agents. Explain.
Nucleopolyhedrovirus do not show ______.
Define bioherbicides.
give any two examples of microbial herbicides.
Why are the biocontrol agents preferred over the chemical pesticides?
Which insect biocontrol agent is specifically useful for eliminating aphids?
What pest does Pseudomonas control in cotton seedlings?
