Question

Which among the following shows the correct chronological order of the events occurring during callus culture?

• A. Explant – cell division – callus – cytokinin – cells acquire meristematic property
• B. Callus – cell division – explant – cytokinin – acquire meristematic property
• C. Callus – explant – cell division – cytokinin – cell acquire meristematic activity
• D. Explant – callus – cell division – cytokinin – cell acquire meristematic activity

Answer 1

The correct option is A

Explant – cell division – callus – cytokinin – cells acquire meristematic property

The correct chronological order is that the explant undergoes cell division to form callus which in the presence of cytokinin acquires meristematic property.