Which of the following techniques is associated with the cloning method of tissue culture performed under in vitro conditions?

Read the following statements:
$I.$ Colostrum is recommended for newborns because it is rich in antigens.
$II.$ Chikungunya is caused by a Gram-negative bacterium.
$III.$ Tissue culture has proved useful in obtaining virus-free plants.
$IV.$ Beer is manufactured by the distillation of fermented grapes.
How many of the statement$(s)$ is/are correct?

To meet the demands of the society,in vitro production of a large number of plantlets in a short duration is practised in floriculture and horticulture industry today. This is called

The ability of any cell to generate the entire organism is known as:

Carrot is micropropagated through:

The technique of obtaining a large number of plantlets by tissue culture method is called: