Human Eye Multiple Choice Question
Human Eye Multiple Choice Question
Sure, here are 50 multiple-choice questions (MCQs) based on the human eye along with the correct answers:
1. Which part of the eye controls the amount of light entering the eye?
A) Cornea
B) Lens
C) Iris
D) Retina
Answer: C) Iris
2. What is the transparent layer at the front of the eye called?
A) Cornea
B) Sclera
C) Retina
D) Iris
Answer: A) Cornea
3. Which part of the eye focuses light onto the retina?
A) Cornea
B) Lens
C) Iris
D) Pupil
Answer: B) Lens
4. What is the name of the light-sensitive layer at the back of the eye?
A) Cornea
B) Sclera
C) Retina
D) Lens
Answer: C) Retina
5. Which cells in the retina detect color?
A) Rods
B) Cones
C) Ganglion cells
D) Bipolar cells
Answer: B) Cones
6. Which cells in the retina are responsible for vision in low light?
A) Rods
B) Cones
C) Ganglion cells
D) Bipolar cells
Answer: A) Rods
7. What is the fluid called that fills the anterior chamber of the eye?
A) Aqueous humor
B) Vitreous humor
C) Tear fluid
D) Plasma
Answer: A) Aqueous humor
8. Which part of the eye provides most of the eye’s optical power?
A) Lens
B) Cornea
C) Iris
D) Retina
Answer: B) Cornea
9. What is the opening in the iris through which light enters the eye?
A) Lens
B) Cornea
C) Pupil
D) Retina
Answer: C) Pupil
10. Which part of the eye changes shape to focus on near or distant objects?
A) Cornea
B) Lens
C) Iris
D) Retina
Answer: B) Lens
11. What is the condition called where the lens becomes cloudy, affecting vision?
A) Glaucoma
B) Cataract
C) Myopia
D) Hyperopia
Answer: B) Cataract
12. What is the name of the nerve that transmits visual information from the retina to the brain?
A) Optic nerve
B) Auditory nerve
C) Olfactory nerve
D) Trigeminal nerve
Answer: A) Optic nerve
13. Which part of the retina is responsible for sharp central vision?
A) Macula
B) Fovea
C) Optic disc
D) Periphery
Answer: B) Fovea
14. What is the blind spot in the eye?
A) Area with no rods
B) Area with no cones
C) Area where the optic nerve exits the eye
D) Area with no blood vessels
Answer: C) Area where the optic nerve exits the eye
15. Which structure maintains the shape of the eye and provides protection?
A) Retina
B) Lens
C) Sclera
D) Cornea
Answer: C) Sclera
16. What is the gel-like substance that fills the larger part of the eye behind the lens?
A) Aqueous humor
B) Vitreous humor
C) Tear fluid
D) Plasma
Answer: B) Vitreous humor
17. What condition is characterized by increased pressure in the eye?
A) Cataract
B) Glaucoma
C) Myopia
D) Hyperopia
Answer: B) Glaucoma
18. Which condition describes nearsightedness?
A) Myopia
B) Hyperopia
C) Astigmatism
D) Presbyopia
Answer: A) Myopia
19. Which condition describes farsightedness?
A) Myopia
B) Hyperopia
C) Astigmatism
D) Presbyopia
Answer: B) Hyperopia
20. Which condition involves an uneven curvature of the cornea or lens?
A) Myopia
B) Hyperopia
C) Astigmatism
D) Presbyopia
Answer: C) Astigmatism
21. What part of the eye adjusts the size of the pupil?
A) Cornea
B) Lens
C) Iris
D) Retina
Answer: C) Iris
22. Which layer of the eye contains blood vessels to nourish the eye?
A) Cornea
B) Sclera
C) Choroid
D) Retina
Answer: C) Choroid
23. What is the condition called where the eyes do not align properly?
A) Glaucoma
B) Strabismus
C) Cataract
D) Myopia
Answer: B) Strabismus
24. Which part of the eye is responsible for adjusting the focus of the lens?
A) Cornea
B) Ciliary muscles
C) Retina
D) Iris
Answer: B) Ciliary muscles
25. Which condition is commonly known as “lazy eye”?
A) Glaucoma
B) Amblyopia
C) Myopia
D) Hyperopia
Answer: B) Amblyopia
26. What is the term for the age-related condition where the eye’s lens loses its flexibility?
A) Myopia
B) Hyperopia
C) Presbyopia
D) Astigmatism
Answer: C) Presbyopia
27. Which structure in the eye is responsible for controlling the shape of the lens?
A) Cornea
B) Iris
C) Ciliary body
D) Retina
Answer: C) Ciliary body
28. What is the colored part of the eye called?
A) Cornea
B) Sclera
C) Iris
D) Retina
Answer: C) Iris
29. Which part of the eye is transparent and helps to refract light?
A) Retina
B) Lens
C) Cornea
D) Sclera
Answer: C) Cornea
30. What is the term for an inflammation of the conjunctiva?
A) Glaucoma
B) Conjunctivitis
C) Cataract
D) Myopia
Answer: B) Conjunctivitis
31. What is the main function of the lacrimal glands?
A) Produce aqueous humor
B) Produce vitreous humor
C) Produce tears
D) Adjust the lens shape
Answer: C) Produce tears
32. Which structure converts light into neural signals?
A) Lens
B) Retina
C) Cornea
D) Sclera
Answer: B) Retina
33. Which part of the eye contains the photoreceptors?
A) Cornea
B) Lens
C) Iris
D) Retina
Answer: D) Retina
34. What is the term for the small depression in the retina where visual acuity is highest?
A) Optic disc
B) Fovea
C) Macula
D) Sclera
Answer: B) Fovea
35. Which structure in the eye is responsible for producing the aqueous humor?
A) Cornea
B) Lens
C) Ciliary body
D) Retina
Answer: C) Ciliary body
36. What is the main function of the rods in the retina?
A) Detect color
B) Detect light intensity and motion
C) Adjust the lens shape
D) Produce tears
Answer: B) Detect light intensity and motion
37. What is the main function of the cones in the retina?
A) Detect light intensity and motion
B) Adjust the lens shape
C) Detect color
D) Produce tears
Answer: C) Detect color
38. Which condition is corrected with concave lenses?
A) Myopia
B) Hyperopia
C) Presbyopia
D) Astigmatism
Answer: A) Myopia
39. Which condition is corrected with convex lenses?
A) Myopia
B) Hyperopia
C) Presbyopia
D) Astigmatism
Answer: B) Hyperopia
40. Which structure in the eye provides nutrients to the cornea and lens?
A) Retina
B) Sclera
C) Aqueous humor
D) Vitreous humor
Answer: C) Aqueous humor
41. Which part of the eye changes size to control the amount of light entering?
A) Retina
B) Cornea
C) Iris
D) Lens
Answer: C) Iris
42. What is the function of the optic chiasm?
A) Produce tears
B) Convert light into neural signals
C) Focus light on the retina
D) Cross the optic nerves from each eye
Answer: D) Cross the optic nerves from each eye
43. What is the white part of the eye called?
A) Cornea
B) Sclera
C) Retina
D) Iris
Answer: B) Sclera
44. Which structure connects the eye to the brain?
A) Optic nerve
B) Auditory nerve
C) Olfactory nerve
D) Trigeminal nerve
Answer: A) Optic nerve
45. What is the term for the condition where the lens loses its transparency?
A) Glaucoma
B) Cataract
C) Myopia
D) Hyperopia
Answer: B) Cataract
46. Which condition involves damage to the optic nerve due to high eye pressure?
A) Myopia
B) Hyperopia
C) Glaucoma
D) Cataract
Answer: C) Glaucoma
47. What is the term for difficulty in seeing distant objects clearly?
A) Myopia
B) Hyperopia
C) Presbyopia
D) Astigmatism
Answer: A) Myopia
48. What is the term for difficulty in seeing close objects clearly?
A) Myopia
B) Hyperopia
C) Presbyopia
D) Astigmatism
Answer: B) Hyperopia
49. Which condition involves age-related loss of the eye’s ability to focus on close objects?
A) Myopia
B) Hyperopia
C) Presbyopia
D) Astigmatism
Answer: C) Presbyopia
50. Which part of the eye is responsible for the sharpness of vision?
A) Cornea
B) Lens
C) Fovea
D) Iris
Answer: C) Fovea
Also, visit B. Pharma Notes in PDF Free Download.