Practice 30 high-yield MCQs with answers and explanations Designed for NEET PG, NEXT, AIIMS, and MRCSEd Ophthalmology preparation, optometrist examination and Ophthalmic Officer exam.
01. Shape of the eyeball is closest to:
A. Sphere
B. Oblate spheroid
C. Cylinder
D. Ellipsoid
View answer
B. Oblate spheroid ✅
02. Which is the smallest diameter of the eyeball?
A. Anteroposterior
B. Horizontal
C. Vertical
D. Circumference
View answer
C. Vertical ✅
03. The equator of the eye is located at:
A. Limbus
B. Mid-plane between poles
C. Optic disc
D. Fovea
View Answer
B. Mid-plane between poles ✅
04. Volume of eyeball in an adult is approximately:
A. 5 ml
B. 6.5 ml
C. 7.5 ml
D. 10 ml
view Answer
B. 6.5 ml ✅
05. Average weight of adult eyeball:
A. 5 g
B. 6 g
C. 7 g
D. 8 g
View Answer
C. 7 g ✅
06. Fibrous coat contributes to:
A. Vision
B. Protection
C. Aqueous humour production
D. Colour perception
View Answer
B. Protection ✅
07. Transparent part of fibrous coat:
A. Cornea
B. Sclera
C. Conjunctiva
D. Choroid
View Answer
A. Cornea ✅
08. Limbus is junction of:
A. Cornea & sclera
B. Cornea & iris
C. Iris & lens
D. Retina & sclera
View Answer
A. Cornea & sclera ✅
09. The vascular coat of the eye is also known as:
A. Uvea
B. Fibrous coat
C. Retina
D. Neural coat
View Answer
A. Uvea ✅
00. Retina belongs to:
A. Nervous coat
B. Fibrous coat
C. Vascular coat
D. Connective coat
View Answer
A. Nervous coat ✅
11. Posterior chamber is located between:
A. Cornea & lens
B. Iris & lens
C. Vitreous & retina
D. Sclera & choroid
View Answer
B. Iris & lens ✅
12. Volume of aqueous humour in anterior chamber:
A. 0.15 ml
B. 0.25 ml
C. 0.5 ml
D. 1 ml
View Answer
B. 0.25 ml ✅
13. Depth of anterior chamber is greatest in:
A. Hypermetropia
B. Myopia
C. Presbyopia
D. Astigmatism
View Answer
B. Myopia ✅
14. Posterior chamber volume is approximately:
A. 0.06 ml
B. 0.15 ml
C. 0.25 ml
D. 0.5 ml
View Answer
A. 0.06 ml ✅
15. Posterior segment includes all EXCEPT:
A. Retina
B. Vitreous
C. Lens
D. Choroid
View Answer
C. Lens ✅
16. Visual pathway consists of all EXCEPT:
A. Optic nerve
B. Optic chiasma
C. Optic tract
D. Trochlear nerve
View Answer
D. Trochlear nerve ✅
17. Final relay of vision occurs in:
A. Occipital cortex
B. Temporal cortex
C. Thalamus only
D. Midbrain
View Answer
A. Occipital cortex ✅
18. Partial decussation of fibres occurs at:
A. Optic chiasma
B. Optic nerve
C. LGN
D. Optic radiation
View Answer
A. Optic chiasma ✅
19. Temporal retinal fibres:
A. Cross at chiasma
B. Remain uncrossed
C. Supply contralateral field
D. End in superior colliculus
View Answer
B. Remain uncrossed ✅
20. Lesion at optic chiasma produces:
A. Homonymous hemianopia
B. Bitemporal hemianopia
C. Central scotoma
D. Quadrantanopia
View Answer
B. Bitemporal hemianopia ✅
21. Orbit is shaped like a:
A. Cone
B. Quadrilateral pyramid
C. Cylinder
D. Sphere
View Answer
B. Quadrilateral pyramid ✅
22. Extraocular muscles are:
A. 4
B. 5
C. 6
D. 7
View Answer
C. 6 ✅
23. Levator palpebrae superioris is responsible for:
A. Elevation of eyeball
B. Elevation of upper eyelid
C. Depression of eyelid
D. Eye rotation
View Answer
B. Elevation of upper eyelid ✅
24. Superior oblique muscle is supplied by:
A. Oculomotor
B. Trochlear
C. Abducens
D. Trigeminal
View Answer
B. Trochlear ✅
25. Lateral rectus muscle is supplied by:
A. Trochlear
B. Abducens
C. Oculomotor
D. Optic
View Answer
B. Abducens ✅
26. Ophthalmic artery arises from:
A. External carotid
B. Internal carotid
C. Middle cerebral
D. Basilar artery
View Answer
B. Internal carotid ✅
27. Central retinal artery is a branch of:
A. Short ciliary artery
B. Ophthalmic artery
C. External carotid artery
D. Angular artery
View Answer
B. Ophthalmic artery ✅
28. Choroid is mainly supplied by:
A. Central retinal artery
B. Short posterior ciliary arteries
C. Long ciliary arteries
D. Superior ophthalmic artery
View Answer
B. Short posterior ciliary arteries ✅
29. Central retinal vein drains into:
A. Angular vein
B. Cavernous sinus
C. Inferior petrosal sinus
D. Sigmoid sinus
View Answer
B. Cavernous sinus ✅
30. Major orbital venous drainage is through:
A. Jugular vein
B. Superior ophthalmic vein
C. Subclavian vein
D. Vertebral vein
View answer
B. Superior ophthalmic vein ✅
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Eyeball Anatomy (180 MCQs)
- Part 01: (30 MCQ)
- Part 02: (30 MCQ)
- Part 03: (30 MCQ)
- Part 04: (30 MCQ)
- Part 05: (30 MCQ)
- Part 06: (30 MCQ)