Reproducing new plants by cells instead of seeds is known as

Micropropagation is a technique for production of

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.

Choose the correct option for the recovery of healthy plants from diseased plants.

"Tissue culture" means

Which of the following plant parts is used as an explant to prepare virus-free plants?