- 1(current)
Q. No.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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Which part of the tobacco plant is infected by Meloidogyne incognita?
1. Root
2. Flower
3. Leaf
4. Stem
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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What is antisense technology?
1. RNA polymerase producing DNA.
2. A cell displaying a foreign antigen used for synthesis of antigens.
3. Production of somaclonal variants in tissue cultures.
4. When a piece of RNA that is complementary in sequence is used to stop expression of a specific gene.
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Silencing of mRNA has been used in producing transgenic plants resistant to:
1. Bacterial blights
2. Bollworms
3. Nematodes
4. White rusts
Tobacco plants resistant to a nematode have been developed by the introduction of DNA that produced (in the host cells).
1. both sense and anti-sense RNA
2. a particular hormone
3. An antifeedant
4. a toxic protein
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- 1(current)
Q. No.
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