Silencing of mRNA has been used in producing transgenic plants resistant to:
Options
(a) bollworms (b) nematodes (c) white rusts (d) bacterial blights
Correct Answer:
nematodes
Explanation:
No explanation available. Be the first […]
A trangenic food crop which may help in solving the problem of night blindness in developing countries is
Options
(a) Flavr Savr tomatoes (b) Starlink maize (c) Bt Soybean (d) Golden rice
Correct […]
A single strand of nucleic acid tagged with a radioactive molecule is called :
Options
(a) Vector (b) Selectablemarker (c) Plasmid (d) Probe
Correct Answer:
Probe
Explanation:
No explanation available. Be the first […]
The most common substrate used in distilleries for the production of ethanol is
Options
(a) corn meal (b) soya meal (c) ground gram (d) molasses
Correct Answer:
molasses
Explanation:
No explanation available. Be […]
DNA fragments generated by the restriction endonucleases in a chemical reaction can be separated by :
Options
(a) Polymerase chain reaction (b) Electrophoresis (c) Restriction mapping (d) Centrifugation
Correct Answer:
Electrophoresis
Explanation:
DNA […]
Which one of the following techniques made it possible to genetically engineer living organism ?
Options
(a) Recombinant DNA techniques (b) X-ray diffraction (c) Heavier isotope labelling (d) Hybridization
Correct Answer:
Recombinant DNA […]
Consumption of which one of the following foods can prevent the kind of blindness associated with vitamin ‘A’ deficiency?
Options
(a) Flaver Savr’ tomato (b) Canolla (c) Golden rice (d) Bt-Brinjal
Correct Answer: […]
Which one of the following is used as vector for cloning genes into higher organisms?
Options
(a) Baculovirus (b) Salmonella typhimurium (c) Rhizopus nigricans (d) Retrovirus
Correct Answer:
Retrovirus
Explanation:
Retroviurs as has […]
Tobacco plants resistant to a nematode have been developed by the introduction of DNA that produced (in the host cells)
Options
(a) both sense and anti-sense RNA (b) a particular hormone (c) an antifeedant […]
The linking of antibiotic resistance gene with the plasmid vector became possible with
Options
(a) DNA ligase (b) Endonucleases (c) DNA polymerase (d) Exonucleases
Correct Answer:
DNA ligase
Explanation:
No explanation available. Be […]
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