G4_U3_The eyes

1. What is the organ of sight often compared to in the video?

• a. A rectangular solid

  
  

• b. A slightly irregular hollow sphere

  
  

• c. A perfect circle

  
  

• d. A triangular prism

  
  

2. Which structure covers the colored part of the eye?

• a. Pupil

  
  

• b. Cornea

  
  

• c. Lens

  
  

• d. Retina

  
  

3. What is the function of the retina?

• a. To help with hearing

  
  

• b. To capture images

  
  

• c. To taste food

  
  

• d. To circulate blood

  
  

4. What happens to the image when it reaches the retina?

• a. It shrinks

  
  

• b. It is mirrored

  
  

• c. It disappears

  
  

• d. It is formed

  
  

5. Where is the image properly oriented?

• a. Cornea

  
  

• b. Optic nerve

  
  

• c. Brain's occipital lobe

  
  

• d. Iris

  
  

6. How can nearsightedness be corrected according to the video?

• a. Concave lenses

  
  

• b. Convex lenses

  
  

• c. Sunglasses

  
  

• d. No correction needed

  
  

7. In farsightedness, where is the focal point located?

• a. In front of the retina

  
  

• b. Behind the retina

• On the retina

• d. Nowhere

8. What type of lens corrects farsightedness?

• a. Concave

• b. Convex

• c. Bifocal

• d. Polarized

9. What can cause blurry vision according to the video?

• a. Long eye

• b. Round eye

• c. Small eye

• d. Narrow eye

10. What is the function of the lens in the eye?

• a. To smell

• b. To taste

• c. To bend light

• d. To hear