Assertion (A): Deposition of suberin on the walls makes them impermeable to water.
Reason (R): Cell wall is multilayered with usually three layers.

Options

A. Both Assertion and Reason are true and Reason is the correct explanation for Assertion.
B. Both Assertion and Reason are true but Reason is not the correct explanation for Assertion.
C. Assertion is true and Reason is false.
D. Assertion is false and Reason is true.

Explanation

To analyze the given statements, we will break down the assertion and reason step-by-step.

### Step-by-Step Solution:

1. **Understanding the Assertion (A)**:
- The assertion states that "Deposition of suberin on the walls makes them impermeable to water."
- Suberin is a waxy substance found in the cell walls of certain plant cells, particularly in cork cells. Its primary role is to prevent water loss and make the cell walls impermeable to water.

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