Gene Transfer in Plants
Virulence trait of Agrobacterium tumefaciens is borne on

chromosomal DNA
both chromosomal and plasmid DNA
cryptic plasmid DNA
tumour inducing plasmid DNA

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Gene Transfer in Plants
Which of the following is true about T DNA?

Integration of T DNA occurs at two specific sites in the plant nuclear DNA
Integration of T DNA can occur at many different, apparently random, sites in the plant nuclear DNA
Integration of T DNA occurs at one site that may be random in the plant nuclear DNA
Integration of T DNA occurs only at one specific sites in the plant nuclear DNA

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Gene Transfer in Plants
Which of the following is not true for microinjection technique that involves transfer of DNA into protoplast?

It is carried out with the help of micromanipulator
The recipient cells are immobilized on artificial support or artificially bound to substarate
All of these
It employs needle with diameter greater than cell diameter

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