Sterilisation of metallic instruments like needle is called
Pasteurisation
Tindalisation
Incineration
Disinfection
What occurs at high cytokinin : auxin ratio ?
Rooting
Shooting
Somatic embryos
Callus
The most convenient source of protoplast isolation is
Leaves
Explants
Roots
Seeds
Who discovered first somatic embryogenesis ?
E. Cooking
F. C Stewart
Hamberlandt
Gittlieb
At what temperature hot air oven sterilisation is done ?
120o C
170o C for 3 hours
250o C for 3 hours
None of these
How does laminar air flow helps in tissue culture ?
It kills contaminants
It separates contaminants
It creates aseptic conditions for tissue culture
It creates anaerobic condition for tissue culture
Unorganised mass of cells is called
Organogenesis
Embryogenesis
Cybridisation
For tissue culture a photoperiod of how many hours is required ?
4 hours
8 hours
12 hours
16 hours