Human Eye Function -Multiple Choice Questions Quiz

Question 1: Which part of the eye is responsible for controlling the amount of light that enters?

(a) Cornea
(b) Pupil
(c) Lens
(d) Retina

Question 2: Which part of the eye is responsible for bending light and focusing it on the retina?

(a) Cornea
(b) Pupil
(c) Lens
(d) Retina

Question 3: Which part of the eye contains cells called photoreceptors that detect light and convert it into electrical signals?

(a) Cornea
(b) Pupil
(c) Lens
(d) Retina

Question 4: Which type of photoreceptor cells in the retina are responsible for color vision?

(a) Rods
(b) Cones
(c) Macula
(d) Optic nerve

Question 5: Which part of the eye protects and covers the front surface of the eye?

(a) Cornea
(b) Pupil
(c) Lens
(d) Iris

Question 6: Which eye structure changes the shape of the lens to focus on objects at different distances?

(a) Cornea
(b) Pupil
(c) Lens
(d) Iris

Question 7: What is the blind spot in the eye?

(a) The area where no light can enter the eye
(b) The area with the highest concentration of cones
(c) The point where the optic nerve exits the retina, having no photoreceptor cells
(d) The area with the highest concentration of rods

Question 8: Which part of the eye controls the size of the pupil in response to light conditions?

(a) Cornea
(b) Pupil
(c) Lens
(d) Iris

Question 9: What is the function of the optic nerve in the eye?

(a) To control the size of the pupil
(b) To change the shape of the lens
(c) To transmit visual information from the retina to the brain
(d) To focus light onto the retina

Question 10: What is the role of rods in the retina?

(a) To detect color vision
(b) To detect fine details of objects
(c) To provide peripheral vision and vision in dim light
(d) To transmit electrical signals to the brain

Embed this code in your website:

Results:

Total score: /10

Answer key:

Question 1: b

Question 2: c

Question 3: d

Question 4: b

Question 5: a

Question 6: c

Question 7: c

Question 8: d

Question 9: c

Question 10: c