Question

The correct sequence of cellular growth stages is

• A. Division $\to$ Differentiation $\to$ Elongation
• B. Division $\to$ Elongation $\to$ Differentiation
• C. Differentiation $\to$ Division $\to$ Elongation
• D. Elongation $\to$ Differentiation $\to$ Division

Answer 1

The correct option is B Division $\to$ Elongation $\to$ Differentiation

Plant organ shape and size are established during growth by a predictable, controlled sequence of cell proliferation, differentiation and elongation. In phase of cell division, cells divide mitotically in apical meristem to increase mass. In phase of cell elongation, cells increase in size due to vacuolation, that is by absorption of water. In phase of cell differentiation, cells start maturing to gain a permanent size and function. Thus, the order is: Division --> Elongation ---> Differentiation.