Question

Under favorable conditions, the protoplasts can grow into a ____________________

(a) callus culture

(b) organ culture

(c) root culture

(d) shoot culture

Answer 1

Correct choice is (a) callus culture

For explanation I would say: Under favorable conditions and chemically defined media, the protoplasts can grow into an undifferentiated cell mass, known as the callus culture. Protoplasts are the cells whose plasma membranes have been removed.