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The retina of the eye is the:

ALight-sensitive screen
BFocusing element
CFront cover
DColoured iris
Answer & Solution
Correct answer: A. Light-sensitive screen
The human eye works similarly to a camera. Light enters through the cornea and lens, which act as the **focusing elements**. These elements focus the light onto the back surface of the eye called the **retina**. 1. **Function**: The retina contains millions of specialized cells called photoreceptors (rods and cones) that are sensitive to light. 2. **Conversion**: When light hits these cells, they convert light energy into electrical signals, which are sent to the brain via the optic nerve. 3. **Analogy**: Just as a movie is projected onto a screen to be seen, the lens of the eye projects an image onto the retina. Therefore, the retina acts as the **light-sensitive screen** of the eye. Matching the options: - **Focusing element**: Cornea and Lens - **Front cover**: Cornea - **Coloured iris**: Iris - **Light-sensitive screen**: Retina
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