1) Which part of the eye controls the amount of light entering?
a) Cornea
b) Iris
c) Retina
d) Optic nerve
Answer: b) Iris
2) What is the transparent, dome-shaped layer at the front of the eye called?
a) Retina
b) Sclera
c) Pupil
d) Cornea
Answer: d) Cornea
3) Which part of the eye is responsible for focusing light onto the retina?
a) Lens
b) Iris
c) Conjunctiva
d) Optic nerve
Answer: a) Lens
4) Which cells in the retina are responsible for color vision?
a) Rods
b) Cones
c) Optic nerves
d) Corneas
Answer: b) Cones
5) What condition occurs when the lens of the eye becomes cloudy?
a) Glaucoma
b) Cataracts
c) Astigmatism
d) Macular degeneration
Answer: b) Cataracts
6) Which of the following eye conditions causes distant objects to appear blurry?
a) Nearsightedness
b) Farsightedness
c) Presbyopia
d) Astigmatism
Answer: a) Nearsightedness
7) What is the name of the nerve that carries visual information from the eye to the brain?
a) Auditory nerve
b) Olfactory nerve
c) Optic nerve
d) Facial nerve
Answer: c) Optic nerve
8) Which structure in the eye contracts or relaxes to control the size of the pupil?
a) Cornea
b) Lens
c) Iris
d) Sclera
Answer: c) Iris
9) Which eye disorder is characterized by damage to the optic nerve, often leading to vision loss?
a) Glaucoma
b) Conjunctivitis
c) Retinal detachment
d) Macular degeneration
Answer: a) Glaucoma
10) Which part of the eye is responsible for converting light into electrical signals?
a) Retina
b) Lens
c) Pupil
d) Cornea
Answer: a) Retina
0 Comments