Class 10 Science MCQ Chapter 11 The Human Eye and the Colourful World, Class 10 Science MCQ Question Answer, Class 10 Science Multiple Choice Question Answer to each chapter is provided in the list of SCERT Science Class 10 Objective Types Question Answer so that you can easily browse through different chapters and select needs one. Class 10 Science MCQ Chapter 11 The Human Eye and the Colourful World Question Answer can be of great value to excel in the examination.
SCERT Class 10 Science MCQ Chapter 11 The Human Eye and the Colourful World
SCERT Class 10 General Science MCQ Chapter 11 The Human Eye and the Colourful World Notes covers all the exercise questions in SCERT Science Textbooks. The NCERT Class 10 Science MCQ Chapter 11 The Human Eye and the Colourful World provided here ensures a smooth and easy understanding of all the concepts. Understand the concepts behind every chapter and score well in the board exams.
The Human Eye and the Colourful World
Chapter – 11
Multiple Choice Questions & Answers
1. Which of the following parts provides the finer adjustment of focal length required to focus objects at different distance on the retina
(a) Cornea.
(b) Iris.
(c) Crystalline lens.
(d) Pupil.
Ans: (c) Crystalline lens.
2.Which of the following parts of eye controls the amount of light entering the eye-
(a) Pupil.
(b) Cornea.
(c) Lens.
(d) Ciliary muscles.
Ans: (a) Pupil.
3. Which of the following parts of eye changes the curvature of the eye lens?
(a) Cornea.
(b) Iris.
(c) Pupil.
(d) Ciliary muscles.
Ans: (d) Ciliary muscles.
4. For a healthy eye, the near point of the eye is situated from the eye at-
(a) Infinity.
(b) 25 cm
(c) 2.5 cm
(d) 25 m
Ans: (b) 25 cm
5. For a healthy eye, the far point of eye is situated at-
(a) 25 cm
(b) 100 cm
(c) Infinity.
(d) 100 km
Ans: (c) Infinity.
6. If the far point of a person moves towards the person and is situated closer to the eye, then the defect of vision he is suffering from-
(a) Myopia.
(b) Hypermetropia.
(c) Presbyopia.
(d) None of these.
Ans: (a) Myopia.
7. If the near point of a person is situated away from the normal distance of 25cm from the eye, the defect of vision he is suffering from-
(a) Presbyopia.
(b) Myopia.
(c) Hypermetropia.
(d) None of these.
Ans: (c) Hypermetropia.
8. The defect of vision that arises due to the decrease in the power of accommodation of eye with ageing-
(a) Myopia.
(b) Presbyopia.
(c) Hypermetropia.
(d) None of these.
Ans: (b) Presbyopia.
9. The angle made by the emergent ray of a prism with the direction of the incident ray is called –
(a) Angle of prism.
(b) Angle of emergence.
(c) Angle of refraction.
(d) Angle of deviation.
Ans: (d) Angle of deviation.
10. Light of which colour is bent the least when a beam of white light passes through a prism?
(a) Blue.
(b) Violet.
(c) Red.
(d) Orange.
Ans: (c) Red.
11. Light of which colour is bent the most when a beam of white light passes through a prism?
(a) Violet.
(b) Red.
(c) Yellow.
(d) Blue.
Ans: (a) Violet.
12. The first scientist who used prism to get a spectrum of sunlight was-
(a) Galileo.
(b) Tyndall.
(c) Newton.
(d) Fleming.
Ans: (c) Newton.
13. The phenomenon of light responsible for the formation of rainbow after a rain shower-
(a) Reflection.
(b) Refraction.
(c) Scattering.
(d) Dispersion.
Ans: (d) Dispersion.
14. For which of the following phenomena we see the advance sunrise and delayed sunset?
(a) Refraction.
(b) Reflection.
(c) Dispersion.
(d) Scattering.
Ans: (a) Refraction.
15. Which of the following phenomena of light is involved in the twinkling of stars-
(a) Reflection.
(b) Scattering.
(c) Dispersion.
(d) Refraction.
Ans: (d) Refraction.
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