Question

Thin and elastic walls of guard cells are

• A. Inner and lateral
• B. Inner
• C. Outer
• D. Outer and lateral

Answer 1

The correct option is D Outer and lateral

Each stoma is made up of two special type of cell called guard cells which control the movement of the stomata. The opposing inner wall guard cells which are thick and inelastic. The remaining walls are thin and elastic.

So, the correct answer is 'Outer and lateral'.