Define tissue culture.

Name the four basic concepts of plant tissue culture.

What is the term totipotency refers to?

Define sterilization.

Mention the way by which culture media and explants are sterilized.

Name any four culture media used in plant tissue culture.

What is Agar? Mention its role in plant tissue culture.

Write the composition of vitamins used in MS medium.

Define (a) Callus (b) Embryoids

What do you mean by "Hardening" in plant tissue culture technique?

Classify plant tissue culture based on types of explants used.

What is cell suspension culture?

What is a protoplast? Which chemical stain is used to test its viability?

What is a cybrid?

Given below are the secondary metabolites. Mention their plant source.
(a) Digoxin
(b) Vincristine.