Question

What are the structural characteristics of

a. Meristematic cells near root tip

b. The cells in the elongation zone of the root

Answer 1

Characteristics of meristematic tissues:

Cells comprising the meristematic tissue have the following characteristics:

• Thin primary cellulosic cell walls
• No intercellular spaces
• Large nucleus
• Few small vacuoles or vacuoles are altogether absent
• Abundant plasmodesmata connections
• Rich protoplasm

Cells of elongation zone of roots:

Cells of the elongation zone have the following characteristics:

• large number of vacuoles
• New cell wall deposition
• Enlarged cells