This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Science Chapter 11 Light – Quiz 46 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 11 Light Quiz 46 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A refracting telescope uses a concave and a A) Concave mirror. B) Convex lens. C) Both a and c. D) Convex mirror. Show Answer Correct Answer: C) Both a and c. 2. The imaginary line perpendicular to a reflecting surface is called ..... A) Crooked line. B) Parallel line. C) Angular line. D) Normal line. Show Answer Correct Answer: D) Normal line. 3. Objects that allow only a small amount of light to pass through them are called as- A) Opaque Object. B) Transparent Object. C) Translucent Object. D) None of these. Show Answer Correct Answer: C) Translucent Object. 4. A lens that bends light rays outward. A) Refract. B) Reflect. C) Convex lens. D) Concave lens. Show Answer Correct Answer: D) Concave lens. 5. For us to be able to see an object A) There must be a source of light. B) The light must strike the object. C) The light must be reflected from the object to the eye. D) All of these. Show Answer Correct Answer: D) All of these. 6. Lens used in spectacles for correction of defects of vision is A) Always concave. B) Concave or convex. C) Lens of different shape. D) Always convex. Show Answer Correct Answer: B) Concave or convex. 7. A plane mirror always produces ..... images. A) Virtual. B) Real. C) Ideal. D) Refracted. Show Answer Correct Answer: A) Virtual. 8. What part of the plant cell performs photosynthesis? A) The Mitochondrion. B) The Nucleus. C) The Chloroplast. D) The Cell Wall. Show Answer Correct Answer: C) The Chloroplast. 9. The bending of light when it moves from one material to another. A) Reflection. B) Absorption. C) Prism. D) Refraction. Show Answer Correct Answer: D) Refraction. 10. All the colors of light mixed together produces ..... light. A) Black. B) Brown. C) White. D) No. Show Answer Correct Answer: C) White. 11. Name the type of mirrors used in the following situations:(i) Used by Dentist.(ii) Rear-view mirror of vehicle A) (i) Diverging mirror(ii) Converging mirror. B) (i) & (ii) Both Converging mirror. C) (i) Converging mirror(ii) Diverging mirror. D) (i) & (ii) Both Diverging mirror. Show Answer Correct Answer: C) (i) Converging mirror(ii) Diverging mirror. 12. The surface of the water A) Change the path of the light. B) Will not change the path of the light. C) Act as a insulator. D) None of the above. Show Answer Correct Answer: A) Change the path of the light. 13. Write the order of the celestial bodies in a Lunar eclipse. A) Sun, Moon, Earth. B) Moon, Earth, Sun. C) Earth, Sun, Moon. D) Sun, Earth, Moon. Show Answer Correct Answer: D) Sun, Earth, Moon. 14. An object of 5cm in length is held 25cm away from a converging lens of focal length 10cm, find the position of image A) 3/50cm. B) 50/3 cm. C) 7/50 cm. D) 50/7 cm. Show Answer Correct Answer: B) 50/3 cm. 15. Source of light A) Sun. B) Glass. C) A translucent object. D) None of the above. Show Answer Correct Answer: A) Sun. 16. Darkest Part of the shadow is ..... A) Umbra. B) Penumbra. C) Umrah. D) Bum. Show Answer Correct Answer: A) Umbra. 17. A traffic signal uses ..... lights to tell drivers to stop or go. A) Colored. B) Flashing. C) All the above. D) None of the above. Show Answer Correct Answer: A) Colored. 18. Which of the following visible spectrum will bend the least? A) Red. B) Orange. C) Blue. D) Violet. Show Answer Correct Answer: A) Red. 19. When the pigmentation of the iris is the least, the iris is ..... in colour. A) Blue. B) Green. C) Black. D) Brown. Show Answer Correct Answer: A) Blue. 20. ..... image is produced from a mirror and cannot be obtained on screen. A) Real. B) Virtual. C) Bright. D) Inverted. Show Answer Correct Answer: B) Virtual. 21. All of the following are sources of light except ..... A) The sun. B) A light bulb. C) Fire. D) The moon. Show Answer Correct Answer: D) The moon. 22. What is being blocked when a shadow is formed? A) Light Source. B) Light Path. C) Object. D) Eye. Show Answer Correct Answer: B) Light Path. 23. Which kind of mirror forms an enlarged image? A) Concave. B) Convex. C) Plane. D) All of the above. Show Answer Correct Answer: A) Concave. 24. 6CO2 + 6H2O \textregistered C6H12O6 + 6O2 This chemical equation describes: A) Cellular respiration. B) Glycolysis. C) Photosynthesis. D) Photolysis. E) Electron Transport Chain. Show Answer Correct Answer: C) Photosynthesis. 25. Image that can be obtained on the screen A) Real. B) Virtual. C) All the above. D) None of the above. Show Answer Correct Answer: A) Real. ← 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 4Class 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 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books