What demonstrates cellular totipotency?

$A:$ Suspension culture grows faster than callus culture.
$R:$ Agitation of the medium in a rotary shaker facilitates mixing of nutrients and aeration.

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

Which part of the plant is best suited for making virus-free plants and why?

Producing new plants by cells instead of seeds is known as:

In which method is a group of cells suspended in a liquid medium?