Tissue culture was launched by

Which of the following is a method used for growing rare plants?

In which of the following methods can plantlets be developed from seeds that remain dormant for a long time?

Haploid plants are obtained from which of the following?

Given below are two statements:
Statement $I$: In suspension culture and callus culture technique,subculturing is necessary.
Statement $II$: Subculturing is needed only in suspension culture technique.
In the light of above statements,select the correct option given below:

Somaclonal variations are obtained through: