25 NOVEMBER 2021 CURRENT AFFAIRS QUIZ

It infects dicotyledonous angiosperms

It causes crown gall disease of plants

All of these

It infects gymosperms

two segments

three segments

four segments

single segment

different parts of the Ti-plasmid are incorporated

may vary from plant to plant

only a small specific segment of callus T DNA is incorporated

complete Ti plasmid is incorporated in plant nuclear DNA

three sets of sequence necessary for gene transfer

four sets of sequence necessary for gene transfer

two sets of sequence necessary for gene transfer

one set of sequence necessary for gene transfer

conjugative transfer

enzymes for agropine biosynthesis

tumour formation

all of these

with the help of needles

with the help of bolistics

with the help of micromanipulator

any of the above

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

Integration of T DNA occurs at two specific sites in the plant nuclear DNA

These can't replicate in Agrobacterium

These can replicate in Agrobacterium

These help in the mediating conjugation of intermediate vectors

All of these

four segments

single segment

two segments

three segments

Acetosyringone

None of these

Both (a) and (b)

α-hydroxy syringone