MCQ Questions for Class 10 Science Chapter 11 Human Eye and Colourful World with Answers

Chapter 11 Human Eye and the Colorful World covers the concepts of the human eye and phenomena of lights in detail. Answering the MCQs will assist students to build a strong foundation of the basic concepts. These MCQ Questions for Class 10 Science Chapter 11 Human Eye and Colourful World with Answers are framed as per the latest CBSE syllabus and keeping in mind the CBSE exam paper level.Practicing the MCQs increase their confidence level and score high marks in the exam. MCQ Questions for Class 10 Science Chapter 11 Human Eye and Colourful World with Answers will help students to know the right approach to solve the problem. Understanding Chapter 11 Human Eye and the Colorful World is important to answer the MCQs correctly. Practice hard to work on your shortcomings and improve your grades.

Human Eye and Colourful World Class 10 MCQs Questions with Answers

1) At noon the sun appears white as

1. light is least scattered.
2. all the colours of the white light are scattered away.
3. blue colour is scattered the most.
4. red colour is scattered the most

Answer: 1

2) The defect of the eye in which the eyeball becomes too long is

1. myopia
2. hypermetropia
3. presbyopia
4. cataract

Answer: 1

3) The bluish colour of water in the deep sea is due to [NCERT Exemplar Problems]

1. the presence of algae and other plants found in water
2. reflection of the sky in the water
3. scattering of light
4. absorption of light by the sea

Answer: 3

4) The phenomenon of light responsible for the working of the human eye is :

1. Reflection
2. Refraction
3. Power of accommodation
4. Persistence of vision

Answer: 2

5) When the muscles are relaxed, the eye lens is ______ and the distant objects can be seen clearly.

1. Thin
2. Thick
3. Inclined
4. None

Answer:  3

6) The least distance of distinct vision for an eye lens is caused by the action of the

1. 25 m
2. 2.5 cm
3. 25 cm
4. 2.5 m

Answer: 3

10) Part of the eye that controls the size of the pupil is called as:

1. Eyeball
2. Cornea
3. Iris
4. Retina

Answer: 3

11) Read the following sentences carefully, and choose the incorrect one:

1. The human eye works on the refraction of light
2. The eye lens is a convex lens made of a transparent, soft and flexible material like a jelly made of proteins
3. The focal length of a lens can be changed by changing its shape by the action of ciliary muscles.
4. All of the above

Answer: 4

12) Name the scientist who was the first to use a glass prism to obtain the spectrum of sunlight.

1. Isaac Newton
2. Einstein
3. Kepler
4. Hans Christian Oersted

Answer: 1

13) At noon the sun appears white as

1. light is least scattered.
2. all the colours of the white light are scattered away.
3. the blue colour is scattered the most.
4. the red colour is scattered the most.

Answer: 1

14) The far point of the normal eye is

1. 20m
2. 25m
3. 25cm
4. Infinity

Answer: 4

15) The coloured light that refracts most while passing through a prism is

1.  Yellow
2.   Violet
3.   Blue
4.   Red

Answer: 2