Q. No.Which of the following explains why production of transgenic plants is easier than production of transgenic animals?
1. Plant cells can grow in cell culture.
2. Plant cells have a lower number of potentially lethal genes.
3. Plant cells are totipotent.
4. Production of mutant plants poses less ethical dilemmas than production of mutant animals.
1. Plant cells can grow in cell culture.
2. Plant cells have a lower number of potentially lethal genes.
3. Plant cells are totipotent.
4. Production of mutant plants poses less ethical dilemmas than production of mutant animals.
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Diseases amenable to treatment by gene therapy:
1. Must be relatively mild.
2. Must be caused by a defect in cells that are clinically accessible.
3. Must have other types of treatments available in case gene therapy fails.
4. Must lower the humoral and cell mediated immune responses
Which one of the following is commonly used in the transfer of foreign DNA into crop plants?
1. Trichoderma harzianum
2. Meloidogyne incognita
3. Agro bacterium tumefaciens
4. Penicillium expansum
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What triggers the activation of protoxin to active Bt toxin of Bacillus thuringiensis in bollworms?
1. Acidic pH of the stomach
2. Body temperature
3. Moist surface of midgut
4. Alkaline pH of the gut
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Which of the following is true for Golden rice?
| 1. | It has yellow grains, because of gene introduced from a primitive variety of rice |
| 2. | It is Vitamin A enriched, with a gene from daffodil |
| 3. | It is pest resistant, with a gene from Bacillus thuringiensis |
| 4. | It is drought tolerant, developed using Agrobacterium vector |
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Shelf life of tomato has been increased by genetic engineering. This tomato has been given the name:
1. Quorn
2. Flavr Savr
3. Pruteen
4. Free Martin
A piece of nucleic acid used to find a gene, by forming a hybrid with it, is called a :
1. probe
2. vector
3. restriction sequence
4.retrovirus
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Which of the following are also called as “magical bullets”?
1. restriction enzymes
2. monoclonal antibodies
3. DNA ligases
4. plasmids
Which part of the tobacco plant is infected by Meloidogyne incognita?
1. Root
2. Flower
3. Leaf
4. Stem
Golden rice will help in -
1. Producing petrol-like fuel
2. Pest resistance
3. Herbicide tolerance
4. Alleviation of vitamin A deficiency
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