The visible coloured portion of the eye is

Options

A. retina
B. iris
C. cornea
D. lens

Answer

To answer the question "The visible coloured portion of the eye is," we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Components of the Eye**:
- The eye consists of several parts, including the iris, cornea, lens, and retina. Each part has a specific function.

2. **Define the Iris**:
- The iris is the colored part of the eye. It surrounds the pupil and is responsible for controlling the amount of light that enters the eye by adjusting the size of the pupil.

3. **Evaluate Other Options**:
- **Cornea**: This is the transparent front part of the eye that covers the iris and pupil. It helps to focus light but is not colored.
- **Lens**: The lens is a clear structure behind the iris that helps to focus light onto the retina. It is also not colored.
- **Retina**: The retina is the innermost layer of the eye that contains light-sensitive cells. It is responsible for converting light into neural signals but does not have a visible color.

4. **Conclusion**:
- Based on the definitions and functions of the parts of the eye, the visible colored portion of the eye is the **iris**.

### Final Answer:
The visible coloured portion of the eye is the **iris**.

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