Q. No.Silencing of mRNA has been used in producing transgenic plants resistant to:
1.
Bollworms
2.
Nematodes
3.
White rusts
4.
Bacterial blights
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Read the following four statements (A-D) about certain mistakes in two of them
(A) The first transgenic buffalo, Rosie produced milk which was human alpha-lactal bumin enriched.
(B) Restriction enzymes are used in isolation of DNA from other macro-molecules.
(C) Downstream processing is one of the steps of rDNA technology.
(D) Disarmed pathogen vectors are also used in transfer of r-DNA into the host.
Which are the two statements having mistakes?
1. Statement (B) and (C)
2. Statement (C) and (D)
3. Statement (A) and (C)
4. Statement (A) and (B)
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Consumption of which one of the following foods can prevent the kind of blindness associated withvitamin 'A' deficiency?
1. Flaver Savr' tomato
2. Canolla
3. Golden rice
4. Bt-Brinjal
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The first clinical gene therapy was given for treating:
1. Diabetes mellitus
2. Chicken pox
3. Rheumatoid arthritis
4. Adenosine deaminase deficiency
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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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The first human hormone produced by recombinant DNA technology is
1. Insulin
2. Estrogen
3. Thyroxin
4. Progesterone
The crops engineered for glyphosate are resistant/tolerant to:
1. Bacteria
2. Insects
3. Herbicides
4. Fungi
In Bt cotton, the Bt toxin present in plant tissue as pro-toxin is converted into active toxin due to:
1. Acidic pH of the insect gut
2. Action of gut micro-organisms
3. Presence of conversion factors in insect gut
4. Alkaline pH of the insect gut
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Which body of the Government of India regulates GM research and safety of introducing GMO for public services?
1. Indian Council of Agricultural Research
2. Genetic Engineering Approval Committee
3. Research Committee on Genetic Manipulation
4. Bio-safety committee
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The introduction of t-DNA into plants involves:
1. Altering the pH of the soil, then heat shocking the plants
2. Exposing the plants to cold for a brief period
3. Allowing the plant roots to stand in water
4. Infection of the plant by Agrobacterium tumefaciens
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