In plant biotechnology,$PEG$ is used in

The reason for the formation of an embryoid from a pollen grain in a tissue culture medium is:

Somaclonal variation appears in

Parasexual hybridization means

Why is the culture continuously agitated in a rotary shaker during suspension culture?
$(i)$ To facilitate gas exchange for the cells.
$(ii)$ To ensure proper mixing of nutrients in the medium.
$(iii)$ To sterilize the equipment used in the process.
$(iv)$ To maintain a uniform temperature for the inoculum.
$(v)$ This process causes cell aggregates to break into smaller,distinct cell clusters.

Which method can be used to develop plumules from seeds that remain dormant for a long time?