This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Science Chapter 11 Light – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 11 Light Quiz 4 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. ..... means to bounce back light. A) Reflect. B) Refract. C) Absorb. D) Echo. Show Answer Correct Answer: A) Reflect. 2. Which word describes how light travels when it passes from air, to water? A) Straight. B) Curved. C) Circular. D) Bent. Show Answer Correct Answer: D) Bent. 3. Why was Rajiv happy? A) Because they visited zoo. B) They visited park. C) They visited lighthouse. D) Visited village. Show Answer Correct Answer: C) They visited lighthouse. 4. A ..... lens makes objects appear bigger. A) Concave. B) Convex. C) Prism. D) Flat. Show Answer Correct Answer: B) Convex. 5. Which mirror is used as a make-up mirror? A) Convex mirror. B) Plane mirror. C) Concave mirror. D) Plano-concave. Show Answer Correct Answer: C) Concave mirror. 6. Bouncing of a light ray when it strikes a reflecting surface is called ..... A) Refraction. B) Dispersion. C) Reflection. D) Diffraction. Show Answer Correct Answer: C) Reflection. 7. The colour band of light of the end by dispersion of light is called A) Image. B) Spectrum. C) Convergence. D) Scattering. Show Answer Correct Answer: B) Spectrum. 8. Why do we see objects as white? A) They absorb all light. B) They reflect all light. C) They absorb some light and reflect some light. D) None of the above. Show Answer Correct Answer: B) They reflect all light. 9. The defect of vision in which the eye lens of a person gets progressively cloudy resulting in blurred vision is called A) Myopia. B) Night blindness. C) Cataract. D) Hypermatropia. Show Answer Correct Answer: C) Cataract. 10. The yellow-colored high pressure sodium lights found in outdoor environments around campus are best described as: A) Warm color, high color temperature. B) Cool color, high color temperature. C) Warm color, low color temperature. D) Cool color, low color temperature. Show Answer Correct Answer: C) Warm color, low color temperature. 11. Blue+green (a) = A) A. cyan. B) Magenta. C) All the above. D) None of the above. Show Answer Correct Answer: A) A. cyan. 12. Shadows are longer during winter than in ..... A) Summer. B) Rainy. C) Extreme cold. D) All of these. Show Answer Correct Answer: A) Summer. 13. Sunlight is used during photosynthesis to- A) Break down the xylem. B) Break down the stomata. C) Break down the water. D) Capture the water. Show Answer Correct Answer: C) Break down the water. 14. When the ciliary muscles relax, the thickness of the lens A) Increases. B) Reduces. C) Remains the same. D) Sometimes reduces and sometimes increases. Show Answer Correct Answer: B) Reduces. 15. The magnifying glass is also called: A) Lens. B) Concave lens. C) Convex lens. D) None of these. Show Answer Correct Answer: C) Convex lens. 16. Shadow is formed on the ..... side of the source of light. A) Left. B) Front. C) Right. D) Opposite. Show Answer Correct Answer: D) Opposite. 17. What is lighthouse? A) House. B) Temple. C) Phone tower. D) Tall strong building to guide the sailors. Show Answer Correct Answer: D) Tall strong building to guide the sailors. 18. A colorful rainbow is an example of this property of light A) Reflection. B) Refraction. C) Translucent. D) Absorption. Show Answer Correct Answer: B) Refraction. 19. When light bounces of a mirror, it is A) Reflected. B) Corrected. C) Absorbed. D) Refracted. Show Answer Correct Answer: A) Reflected. 20. The mirror used as rear view mirror in cars is A) Convex. B) Concave. C) Plane. D) None of these. Show Answer Correct Answer: A) Convex. 21. The mirror used as rear-view mirror in vehicles A) Plane mirror. B) Concave mirror. C) Convex mirror. D) Cylindrical Mirror. Show Answer Correct Answer: C) Convex mirror. 22. White light is composed of A) Five colours. B) Eight colours. C) Three colours. D) Seven colours. Show Answer Correct Answer: D) Seven colours. 23. When the object is at center of curvature in concave mirror, the image will be A) Enlarged one. B) Diminished one. C) At infinity. D) Same size. Show Answer Correct Answer: D) Same size. 24. Which of the following is not a product of photosynthesis? A) Carbon dioxide. B) Oxygen. C) Sugar. D) None of the above. Show Answer Correct Answer: A) Carbon dioxide. 25. Our eye is a ..... lens? A) Convex. B) Concave. C) Plane. D) None of the above. Show Answer Correct Answer: A) Convex. ← PreviousNext →Related QuizzesClass 7 Science Chapter 11 Light Quiz 1Class 7 Science Chapter 11 Light Quiz 2Class 7 Science Chapter 11 Light Quiz 3Class 7 Science Chapter 11 Light Quiz 5Class 7 Science Chapter 11 Light Quiz 6Class 7 Science Chapter 11 Light Quiz 7Class 7 Science Chapter 11 Light Quiz 8Class 7 Science Chapter 11 Light Quiz 9Class 7 Science Chapter 11 Light Quiz 10Class 7 Science Chapter 11 Light Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books