Class 10 Science Chapter 10: The Human Eye and the Colourful World — practice questions with answers
Free practice for Class 10 Science, Chapter 10: The Human Eye and the Colourful World. Try the solved questions below, then take a free test with instant marking and explanations.
50 questions20 easy, 23 medium, 7 hardNCERT · CBSE · State boards
Sample questions with solutions
Q1. The thin membrane through which light enters the eye is the ______.
- cornea
- retina
- iris
- pupil
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Answer: A. cornea
Why: Most refraction occurs at the outer surface of the cornea. [p.161]
Why: Most refraction occurs at the outer surface of the cornea. [p.161]
Q2. The light-sensitive screen of the eye on which the image is formed is the ______.
- retina
- cornea
- iris
- lens
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Answer: A. retina
Why: Light-sensitive cells on the retina send signals through the optic nerve. [p.161]
Why: Light-sensitive cells on the retina send signals through the optic nerve. [p.161]
Q3. The dark muscular diaphragm that controls the size of the pupil is the ______.
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Answer: iris
Why: It regulates the amount of light entering the eye. [p.161]
Why: It regulates the amount of light entering the eye. [p.161]
Q4. For a young adult with normal vision, the near point is about ______.
- 25 cm
- 25 m
- 2.5 cm
- infinity
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Answer: A. 25 cm
Why: The far point is at infinity. [p.162]
Why: The far point is at infinity. [p.162]
Q5. The splitting of white light into its component colours is called ______.
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Answer: dispersion
Why: A glass prism disperses white light. [p.166]
Why: A glass prism disperses white light. [p.166]
Q6. The milky lens of the eye in old age, causing partial or total loss of vision, is called ______.
- cataract
- myopia
- presbyopia
- astigmatism
Show answer
Answer: A. cataract
Why: It can be treated by surgery. [p.162]
Why: It can be treated by surgery. [p.162]
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Frequently asked questions
How many practice questions are there for Class 10 Science Chapter 10: The Human Eye and the Colourful World?
50 questions (20 easy, 23 medium, 7 hard). A few are solved on this page; the free test shows the answer and explanation for every question after you submit.
Is this chapter from the NCERT book?
Yes — it follows the NCERT Class 10 Science syllabus, used by CBSE and many state boards.