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Neomycin phospho-transferase gene, frequently used as a selection marker during plant transformation, inactivates which one of the following antibiotics? (1) Hygromycin                  (2) […]

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 […]

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          […]

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 […]

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) […]

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 […]

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 […]

World wide maximum cultivated transgenic crop is? (1) Insect resistance cotton (2) Herbicide resistance soybeans (3) Growing plant for desired molecules (4) Edible vaccines The correct answer is (2) Herbicide […]

Which selectable marker gene is routinely used for selection of transgenic plant? (1) Amphicillin               (2) Tetracyclin (3) Hygromycin              […]

Polygalacatourinidase (PG) antisense RNA is used in reference to which phenomenon (1) Seed setting                 (2) Herbicide resistance (3) Viral resistance        […]