Assertion (A): Pectin is present in the eye of bird.
Reason (R): It maintains shape of the eye.

Options

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

Explanation

To solve the question regarding the assertion and reason about pectin in the eye of birds, we will analyze both statements step by step.

### Step 1: Analyze the Assertion
- **Assertion (A)**: "Pectin is present in the eye of birds."
- Pectin is indeed a component found in the eyes of birds. It is part of the vitreous body, which is a gel-like substance that fills the eye.

### Step 2: Analyze the Reason
- **Reason (R)**: "It maintains the shape of the eye."
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