For cryopreservation,plant materials are frozen at (in $^{\circ} C$)

Which of the following processes is $NOT$ involved in the production of a new species?

Plants raised through tissue cultures are clones of the 'parent' plant. Discuss the utility of these plants.

Which of the following statements is consistent with the process of plant tissue culture?

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 of the following statements is incorrect regarding the process of tissue culture?