In order to obtain virus-free plants through tissue culture the best method is
protoplast culture
embryo rescue
anther culture
anther culture
D.
anther culture
In meristem culture, the shoot apical meristem alongwith some surrounding tissue is grown in vitro. It is used for clonal propagation and recovery of virus free plants. It is also potentially useful in germ plasma exchange and long term storage of germ plasma through freeze preservation.
Homozygous purelines in cattle can be obtained by
mating of related individuals of same breed
mating of unrelated individuals of same breed
mating of individuals of different breed
mating of individuals of different breed
In maize, hybrid vigour is exploited by
bombarding the protoplast with DNA
crossing of two inbreed parental lines
harvesting seeds from the most productive plants
harvesting seeds from the most productive plants
The process of separation and purification of expressed protein before marketing is called
Upstream processing
Downstream processing
Bioprocessing
Bioprocessing
Golden rice is a promising transgenic crop. When released for cultivation, it will help in
alleviation of vitamin A deficiency
pest resistance
herbicide tolerance
herbicide tolerance
