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Gene Transfer in Plants

Gene Transfer in Plants
T-DNA transfer and processing into plant genome requires products of which of the following genes?

vir G,C
vir A,B
All of these
vir D,E

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Gene Transfer in Plants
Which of the following plant signal molecules regulate the expression of vir B, C, D and E in case of tobacco?

Acetosyringone
None of these
α-hydroxy syringone
Both (a) and (b)

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Gene Transfer in Plants
The size of the virulent plasmid of Agrobacterium tumefaciens is

80-120 kb
40-80 kb
140-235 kb
>235 kb

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Gene Transfer in Plants
Liposomes mediated gene transfer in plants involves

plasmid DNA enclosed in a lipid bag
All of these
fusion of liposomes with protoplast
use of polyethylene glycol (PEG)

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Gene Transfer in Plants
Integrated nopaline T-DNA occurs as

three segments
single segment
four segments
two segments

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Gene Transfer in Plants
The right segment of octopine T-DNA (TR) is necessary for

conjugative transfer
all of these
enzymes for agropine biosynthesis
tumour formation

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