In callus culture, roots can be induced by the supply of

Each of the following questions/statements has four suggested answers. Rewrite the correct answer in each case: (i) In callus culture, roots can be induced by supply of

In callus culture, roots can be induced by supply of :

In callus culture , root can be induced by supply of

In callus culture roots can be induced by supply of

In callus culture , root can be induced by supply of

What is callus culture?