Shoot tip culture is preferred for the international exchange of germplasm because:

What is protoplast fusion?

Discuss how the property of plant cell totipotency has been utilised for plant propagation and improvement.

In vitro clonal propagation in plants is characterized by

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?

Which statement is most appropriate for plant tissue culture?