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प्रश्न
Name any genetically modified crop.
Name a genetically modified crop.
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उत्तर
Bt cotton.
APPEARS IN
संबंधित प्रश्न
With the help of a neat and labelled diagram explain VAM (vesicular arbuscular mycorrhizae).
Trichoderma konigi is a source of _______ enzyme.
(A) invertase
(B) lipase
(C) pectinase
(D) cellulase
Name and explain the type of interaction that exists in mycorrhizae and between cattle egret and cattle.
Name the bioactive molecules produced by Trichoderma polysporum and Monascus purpureus.
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
Name the type of association that the genus Glomus exhibits with higher plants.
Give reasons for the following:
Nitrogenous fertilizers are not applied in fields where leguminous crops grow.
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 the biological name of the following:
The microbe used to control insect larvae growing on cotton.
Give the biological name of the following:
The fungus that is being developed as a bio-control agent.
How does the activity of each one of the following help in organic farming?
Mycorrhiza
Which of the following can be killed using Nosema locustae?
Which of the following is the INCORRECT statement with respect to biocontrol agents?
From the following which one is NOT a bacterial herbicide?
Identify the INCORRECT statement regarding Bacillus thuringiensis.
Which of the following is TRUE regarding Xanthomonas and Pseudomonas?
Identify the reason/s due to which Trichoclerma species is a potent biocontrol agent.
Which one of the following statements is WRONG in relation to transgenic Bt cotton plant?
The free-living fungus Trichoderma can be used for ______.
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?
Define bioherbicides.
give any two examples of microbial herbicides.
Why are the biocontrol agents preferred over the chemical pesticides?
