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Biotechnology Objective Questions { Special Proteins and Crop Improvement }



15. For increased level of mannitol in transgenic tobacco plants which of the following gene is transferred?
A.Mannitol dehydrogenase
B.Mannitol synthease
C.Both (a) and (b)
D.Mannitol pyrophosphorylase
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16. Meristem culture of banana enables
A.rapid multiplication
B.elimination of bunch top virus disease
C.both (a) and (b)
D.slow growth
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17. Wheat variety Rendezvous, with resistance to eye spot (Pseudo-cercosporella herpotrichoides) derived from Aegilops ventricosa, has a chloroplast genome derived from
A.Aegilops
B.Triticum
C.Both (a) and (b)
D.S alleles
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18. Human serum albumin in case of transgenic plant is secreted in
A.transgenic leaf tissues
B.transgenic root tissues
C.is not secreted out of plant
D.transgenic stem tissues
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19. Protoplast fusion technique generally involves
A.isolation only
B.isolation and fusion
C.isolation, fusion and culturing
D.hybridization between two species
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20. Cytoplast (somatic cell hybridization) is the process in which
A.two protoplast along with their nuclei fuse
B.a normal protoplast along with an enucleated protoplast fuse
C.both (a) and (b)
D.two enucleated protoplasts fuse
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21. Somaclonal variation method refers to
A.heritable changes
B.genetic isolation
C.small number of species having limited commercial potential
D.large number of plant cells
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