What is the function of the lens in the eye?

A. To focus light rays on the retina

B. To control the amount of light entering the eye

C. To convert light into electrical signals

D. To provide colour to the eye

Everyday Science · Body Systems (Human Biology) · page 6 of 7

Eye MCQs with Answers

Includes 13 past paper MCQs (marked).

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Eye MCQs (51–60)

10 MCQs with answers and a short one-liner. Hide answers to test yourself.

Past paper MCQs in this chapter · See all past papers

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51.
What are the two parts found behind the cornea in the coloured part of the eye?
Correct Answer: A. Iris and pupil
One-liner
The two parts found behind the cornea in the coloured part of the eye are the iris and pupil.
52.
The part of an eye acting as a diaphragm of a camera is ?
Correct Answer: D. Iris
One-liner
The iris acts as the diaphragm of the eye by controlling the amount of light entering through the pupil.
53.
The part of an eye acting as a film of camera is _?
Correct Answer: D. Retina
One-liner
The Retina is the light-sensitive layer of the eye that acts like the film of a camera, capturing images and sending them to the brain.
54.
Which part of the eye is a transparent cover in front of the coloured part?
Correct Answer: B. Cornea
One-liner
The transparent cover in front of the coloured part (iris) of the eye is the Cornea.
55.
The light sensitive part of eye is?
Correct Answer: B. Retina
One-liner
The light-sensitive part of the eye is the Retina.
56.
Past Paper MCQ
Short-sightedness is due to the ?
Correct Answer: A. Elongation of eyeball
One-liner
Short-sightedness (myopia) is caused by the elongation of the eyeball, which makes light focus in front of the retina instead of directly on it.
57.
The outer layer of the eyeball that forms the white color of the eyes is _?
Correct Answer: C. Sclera
One-liner
The outer layer of the eyeball that forms the white color of the eyes is the sclera.
58.
The iris has a central opening that allows light to enter the eye, which is called?
Correct Answer: B. Pupil
One-liner
The central opening in the iris that allows light to enter the eye is called the pupil.
59.
What is the function of the lens in the eye?
Correct Answer: A. To focus light rays on the retina
One-liner
The lens of the eye functions to focus light rays on the retina, forming a clear image.
60.
The nerve center for sight is located in ?
Correct Answer: D. Cerebral cortex
One-liner
The nerve center for sight is located in the cerebral cortex, specifically in the occipital lobe at the back of the brain.

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Eye MCQs with Answers

Eye MCQs (51–60)

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