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
Both (a) and (b)
α-hydroxy syringone

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Gene Transfer in Plants
In a plant tumour cell

may vary from plant to plant
only a small specific segment of callus T DNA is incorporated
different parts of the Ti-plasmid are incorporated
complete Ti plasmid is incorporated in plant nuclear DNA

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Gene Transfer in Plants
Opines are

None of these
amino acid derivatives found in both normal as well as tumor tissues
amino acid derivatives found in tumor tissues
amino acid derivatives found in normal tissues

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