Which method is used for rapid multiplication of banana plants?

$A$ cybrid is a hybrid carrying

Which of the following is used to sterilize instruments in plant tissue culture?

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?

Why are callus and suspension cultures employed?

What is callus?