Q. No.Main objective of production / use of herbicide resistant GM crops is to
1. Encourage eco-friendly herbicides
2. Reduce herbicide accumulation in food articles for health safety
3. Eliminate weeds from the fields without the use of manual labour
4. Eliminate weeds from the fields without the use of herbicides
1. Encourage eco-friendly herbicides
2. Reduce herbicide accumulation in food articles for health safety
3. Eliminate weeds from the fields without the use of manual labour
4. Eliminate weeds from the fields without the use of herbicides
What is true about Bt toxin?
1. The concerned Bacillus has antitoxins.
2. The inactive protoxin gets converted into active form in the insect gut
3. BT protein exists as active toxin in the Bacillus.
4. The activated toxin enters the ovaries of the pest to sterilise it and thus prevent its multiplication
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Transgenic plants are the ones:
| 1. | Grown in an artificial medium after hybridization in the field. |
| 2. | Produced by a somatic embryo in an artificial medium. |
| 3. | Generated by introducing foreign DNA into a cell and generating a plant from that cell. |
| 4. | Produced after protoplast fusion in an artificial medium. |
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Which one of the following is commonly used in transfer of foreign DNA into crop plants?
1. Penicillium expansum
2. Trichoderma polysporum
3. Meloidogyne incognita
4. Agrobacterium tumefaciens
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The genetically-modified (GM) brinjal in India has been developed for
1. Enhancing shelf life
2. Enhancing mineral content
3. Drought-resistance
4. Insect-resistance
Some of the characteristics of BT cotton are
1. Medium yield, long fibre and resistance to beetle pests
2. High yield and production of toxic protein crystals which kill dipterans pests
3. High yield and resistance to bollworms
4. Long fibre and resistance to aphids
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An improved variety of transgenic basmati rice
1. Gives high yield and is rich in vitamin A
2. Is completely resistant to all insect pests and diseases of paddy
3. Gives high yield but has no characteristic aroma
4. Does not require chemical fertilizers and growth hormones
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Genetic engineering has been successfully used for producing
1. Transgenic models for studying new treatments for certain cardiac diseases
2. Transgenic Cow-Rosie which produces high fat milk for making ghee
3. Animals like bulls for farm work as they have super power
4. Transgenic mice for testing safety of polio vaccine before use in humans
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The process of RNA interference has been used in the development of plants resistant to
1. Nematodes
2. Fungi
3. Viruses
4. Insects
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