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Sarkari MCQs Government Exam Question Bank
Question no. 89259

Which ocular structure functions analogously to photographic film inside a camera?

Select your answer for: Which ocular structure functions analogously to photographic film inside a camera?
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Answer: A. Retina

Explanation

The retina contains photoreceptor cells that capture light and convert it into neural signals, functioning similarly to the film in a camera. Just as photographic film records incoming light patterns, the retinal sheet captures visual scenes for central processing. Light rays passing through the cornea and lens strike the retinal photoreceptors to initiate visual perception. The retina is a delicate, multi-layered neural tissue lining the inner posterior surface of the mammalian eye. Rods and cones are the specialized photoreceptor cells responsible for scotopic and photopic vision respectively. Early camera designs were explicitly modeled after human optical anatomy and retinal light-capturing principles.

Option B is wrong because the vitreous humor is a clear gel maintaining eye shape rather than recording images. Option C is incorrect because the aqueous humor is fluid filling the anterior chamber providing nourishment to ocular tissues. Option D is incorrect because the optic nerve transmits finished neural signals to the brain rather than capturing light.

Subject
Psychology
Category
Psychology
Topic
—
Difficulty
medium

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