For the generation of transgenic plant in crop improvement, one important regulatory gene ‘X’ was overexpressed in a crop plant. Out of 30 transgenic rice plants generated, 22 showed high […]
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CSIR NET Life Science Previous Year Questions and Solution on applied biology
Which gene was engineered in the Flavr Savr tomato?
Which of the following genes was engineered in the “Flavr Savr” transgenic tomato variety? (1) 1-Amino cyclopropane-1-carboxylic acid synthase. (2) 1-Amino cyclopropane-1-carboxylic acid oxidase. (3) Expansin (4) Polygalacturonase. The correct […]
CSIR NET Life Science Previous Year Questions and Solution on applied biology
Approved transgenic crop for commercial cultivation in India
Which of the following transgenic crops have been approved for commercial cultivation in India? (1) Cotton (2) Brinjal (3) Cotton and Brinjal (4) Cotton, Brassica, Brinjal The correct answer is […]
CSIR NET Life Science Previous Year Questions and Solution on applied biology
Neomycin phosphotransferase (NPT II) as a selectable marker in plant transformation
Neomycin phospho-transferase gene, frequently used as a selection marker during plant transformation, inactivates which one of the following antibiotics? (1) Hygromycin (2) […]
CSIR NET Life Science Previous Year Questions and Solution on applied biology
Which herbicide-resistance genes work by preventing herbicide binding to the target enzyme?
The following genes have been genetically engineered to develop herbicide resistance in plants: A. Resistance to glyphosate using the 5-enolpyruyl shikimate-3-phosphate synthase gene B. Bialaphos resistance using the bar gene […]
CSIR NET Life Science Previous Year Questions and Solution on applied biology
Which Bt genes are used in Bollgard II cotton?
Which genes have been introduced in Bollgard II cotton to get resistance against cotton bollworm, tobacco bollworm and pink bollworm? (1) cry 1Ab + cry 1Ac […]
CSIR NET Life Science Previous Year Questions and Solution on applied biology
Key features and mode of action of glyphosate herbicide
Which of the following features is NOT shown by glyphosate, a broad spectrum herbicide? (1) Little residual soil activity (2) Ready translocation in phloem (3) Inhibition of a chloroplast enzyme […]
CSIR NET Life Science Previous Year Questions and Solution on applied biology
What is gene pyramiding in plant breeding?
40. Which one of the following is the most appropriate definition of ‘Gene Pyramiding’ in plants? (1) Introducing different genes for resistance to a specific pest in different genotypes. (2) […]
CSIR NET Life Science Previous Year Questions and Solution on applied biology
Which method is used to introduce genes into the chloroplast genome?
Which of the following methods of plant transformation can be used to introduce a gene into chloroplast genome? (1) Agrobacterium-mediated transformation (2) Particle delivery system (3) Permeabilization (4) Electroporation The […]
CSIR NET Life Science Previous Year Questions and Solution on applied biology
Most widely cultivated GM crop worldwide
Which of the following GM crops is the most widely cultivated globally? (1) Herbicide resistant soybean. (2) Insect resistant cotton. (3) Insect resistant brinjal. (4) delayed ripening tomato The correct […]
