Human Eye and Colourful World Exam Level 2

Human Eye and Colorful World Quiz

Human Eye and Colorful World Quiz

1. What is the approximate diameter of the human eye's cornea?
a) 6 mm
b) 8 mm
c) 10 mm
d) 12 mm
2. The process of the eye's lens changing its shape to focus on objects at different distances is known as:
a) Accommodation
b) Refraction
c) Diffraction
d) Dispersion
3. Which part of the human eye contains the highest concentration of cone cells?
a) Blind spot
b) Macula
c) Optic disc
d) Fovea
4. The trichromatic theory of color vision suggests that human vision is based on the sensitivity of three types of cone cells, which are sensitive to which colors?
a) Red, blue, and green
b) Cyan, magenta, and yellow
c) Red, green, and blue
d) Red, yellow, and blue
5. In humans, which cells are responsible for peripheral vision and vision in low-light conditions?
a) Rod cells
b) Cone cells
c) Ganglion cells
d) Bipolar cells
6. Which phenomenon is responsible for the formation of a rainbow when light passes through water droplets in the air?
a) Refraction
b) Diffraction
c) Reflection
d) Dispersion
7. The condition in which the eye's lens cannot focus on nearby objects clearly is known as:
a) Myopia
b) Hyperopia
c) Presbyopia
d) Astigmatism
8. The point on the retina where the optic nerve leaves the eye is known as the:
a) Fovea
b) Optic disc
c) Blind spot
d) Macula
9. The phenomenon of the eye's lens spreading light into its different colors is known as:
a) Refraction
b) Dispersion
c) Diffraction
d) Reflection
10. What is the scientific term for color blindness?
a) Achromatopsia
b) Protanopia
c) Tritanopia
d) Deuteranopia
Score: 0/10