Question

Which one of the following is primarily concerned with cell division?

• A. $G{A}_3$
• B. IAA
• C. NAA
• D. Cytokinin

Answer 1

Answer: (D)

Cytokinin is the plant growth hormone which stimulates cell division. This hormone is produced in the parts of the plants which are continuously involved in the cell division process.. The cytokinins are found in greater proportion or concentration in seeds during germination. They are also found in the apical regions of the shoot and roots.

Thus, the correct answer is option C.