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

Which of the following substances is $NOT$ used for the formation and maintenance of callus in plant tissue culture?

For which purpose is the embryo rescue method used?

Which technique can be used to develop seedlings from seeds that have remained dormant for a long time?

Tissue culture technique requires

Identify the correct statements from the following:
$(i)$ Embryo culture can be used to develop seedlings from seeds that remain dormant for a long time.
$(ii)$ In embryo culture,the embryo is excised and grown in a culture medium.
$(iii)$ Bean seeds do not contain stored food.
$(iv)$ Rapid clonal propagation is an application of suspension culture.