Sterilisation of metallic instruments like needle is called
Pasteurisation
Tindalisation
Incineration
Disinfection
Unorganised mass of cells is called
Organogenesis
Embryogenesis
Cybridisation
Callus
At what temperature hot air oven sterilisation is done ?
120o C
170o C for 3 hours
250o C for 3 hours
None of these
Who discovered first somatic embryogenesis ?
E. Cooking
F. C Stewart
Hamberlandt
Gittlieb
What term is given to the ability of a cell to divide ?
Totipotency
Explant expression
Regeneration
For tissue culture a photoperiod of how many hours is required ?
4 hours
8 hours
12 hours
16 hours
The most convenient source of protoplast isolation is
Leaves
Explants
Roots
Seeds
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
