Question

In plant tissue culture, induction of roots and shoots can be accomplished by _______________.

• A. Using tissue of a certain minimum size
• B. Using a specific concentration of sucrose in the culture medium
• C. Using a particular auxin-cytokinin ratio
• D. Manipulating physical factors such as duration of light, temperature, pH etc.

Answer 1

The correct option is C Using a particular auxin-cytokinin ratio

C. Using a particular auxin-cytokinin ratio

Solution : In plant tissue culture roots and shoots growth in a callus can be controlled by inducing auxin and cytokinin.Auxin initiates shoot and root tip elongation and cytokinin promotes cell division. They work antagonistically.

So the correct answer is "Using a particular auxin-cytokinin ratio"