High-yield MCQs on conjunctiva mcq anatomy & physiology with Khurana-referenced explanations. Ideal for RRB Optometrist, Govt Ophthalmic Officer, NEET PG, AIIMS & NEXT prep.
Q1. The conjunctival epithelium is primarily:
A. Keratinized stratified squamous
B. Simple columnar
C. Non-keratinized stratified columnar with goblet cells
D. Transitional
View Answer
C. Non-keratinized stratified columnar with goblet cells ✅ Exp: Standard structure except near limbus where it becomes squamous.
Q2. Goblet cells are most abundant in the:
A. Bulbar conjunctiva
B. Superior tarsal conjunctiva
C. Inferonasal fornix
D. Limbus
View Answer
C. Inferonasal fornix ✅ Exp: Highest density inferonasally → mucin layer formation.
Q3. Goblet cells secrete:
A. IgA
B. Lipid
C. Mucin (MUC5AC)
D. Lysozyme
View Answer
C. Mucin (MUC5AC) ✅ Exp: Mucin forms tear film inner hydrophilic layer.
Q4. Which is not a part of conjunctiva?
A. Palpebral
B. Bulbar
C. Fornix
D. Scleral conjunctiva
View Answer
D. Scleral conjunctiva ✅ Exp: No such anatomical division.
Q5. Conjunctiva becomes stratified squamous at the:
A. Canthus
B. Fornix
C. Limbus
D. Caruncle
View Answer
C. Limbus ✅ Exp: Transition where it merges with corneal epithelium.
Q6. Blood supply to bulbar conjunctiva is from:
A. Facial artery
B. Anterior ciliary arteries
C. Supraorbital artery
D. Angular artery
View Answer
B. Anterior ciliary arteries ✅ Exp: These form episcleral/conjunctival vascular arcade.
Q7. Sensory nerve supply of conjunctiva is from:
A. Trochlear nerve
B. Facial nerve
C. Ophthalmic division of trigeminal nerve (V1)
D. Glossopharyngeal
View Answer
C. Ophthalmic division of trigeminal nerve (V1) ✅ Exp: Nasociliary → long ciliary branches.
Anatomy & Physiology of the Conjunctiva MCQ
Q8. Lymphatic drainage of lateral conjunctiva goes to:
A. Submandibular nodes
B. Preauricular (parotid) nodes
C. Cervical nodes
D. Retro-pharyngeal nodes
View Answer
B. Preauricular (parotid) nodes ✅ Exp: Classic exam question for RRB & NEET PG.
Q9. Lymphatic drainage of medial conjunctiva is to:
A. Preauricular
B. Submandibular nodes
C. Paratracheal nodes
D. None
View Answer
B. Submandibular nodes ✅ Exp: Key for trachoma, dacryocystitis cases.
Q10. The thinnest part of conjunctiva is the:
A. Fornix
B. Palpebral region
C. Bulbar conjunctiva
D. Caruncle
View Answer
C. Bulbar conjunctiva ✅ Exp: Often only 0.1 mm thick.
Q11. Which layer is absent in bulbar conjunctiva?
A. Epithelium
B. Substantia propria
C. Deep fibrous layer
D. Lymphoid layer
View Answer
C. Deep fibrous layer ✅ Exp: Deep fibrous (dense connective tissue) present only in palpebral conjunctiva.
Q12. Which part of conjunctiva contains Meibomian gland openings?
A. Fornix
B. Bulbar
C. Caruncle
D. Palpebral conjunctiva (tarsal plate)
View Answer
D. Palpebral conjunctiva (tarsal plate) ✅ Exp: Meibomian glands open at lid margin.
Q13. Conjunctival substantia propria contains:
A. Only goblet cells
B. Blood vessels, lymphatics, fibroblasts
C. Melanocytes only
D. Pure epithelium
View Answer
B. Blood vessels, lymphatics, fibroblasts ✅ Exp: Loose connective tissue below epithelium.
Q14. Accessory lacrimal glands in conjunctiva include:
A. Zeis
B. Moll
C. Krause and Wolfring
D. Meibomian
View Answer
C. Krause and Wolfring ✅ Exp: They contribute aqueous tear layer.
Anatomy & Physiology of the Conjunctiva MCQ
Q15. The plica semilunaris is a remnant of:
A. Lens placode
B. Caruncular fold
C. Nictitating membrane
D. Third eyelid
View Answer
C. Nictitating membrane ✅ Exp: Vestigial in humans.
Q16. Caruncle contains all except:
A. Hair
B. Sweat glands
C. Accessory lacrimal tissue
D. Harderian gland
View Answer
D. Harderian gland ✅ Exp: Harderian gland is present in animals, not humans.
Q17. Which immunoglobulin is dominant in conjunctiva?
A. IgM
B. IgG
C. IgA
D. IgE
View Answer
C. IgA ✅ Exp: Due to mucosal immune system (MALT).
Q18. Main function of conjunctiva in tear film is to:
A. Produce lipid
B. Produce mucin
C. Produce aqueous
D. Produce cytokines only
View Answer
B. Produce mucin ✅ Exp: Goblet cells → mucin for tear stability.
Q19. Conjunctiva is continuous with corneal epithelium at the:
A. Plica
B. Fornix
C. Caruncle
D. Limbus
View Answer
D. Limbus ✅ Exp: Epithelial transition zone.
Q20. Normal upper fornix depth is approximately:
A. 4 mm
B. 8 mm
C. 14 mm
D. 20 mm
View Answer
C. 14 mm ✅ Exp: Lower fornix ~10 mm.
Q21. Palpebral conjunctiva is firmly adherent to:
A. Bulbar conjunctiva
B. Tarsal plate
C. Orbital septum
D. Levator muscle
View Answer
B. Tarsal plate ✅ Exp: Gives smooth tarsal surface.
Q22. Bulbar conjunctiva is loosely attached to sclera except near:
A. Equator
B. Fornix
C. Limbus
D. Medial canthus
View Answer
C. Limbus ✅ Exp: Firm adhesion prevents fluid collection.
Q23. Conjunctival follicles are collections of:
A. Bacteria
B. Blood vessels
C. Lymphoid tissue
D. Plasma cells
View Answer
C. Lymphoid tissue ✅ Exp: Seen in viral & chlamydial infections.
Q24. Papillae are most characteristic of:
A. Viral infection
B. Allergic conjunctivitis and bacterial conjunctivitis
C. Dry eye
D. Conjunctival tumors
View Answer
B. Allergic conjunctivitis and bacterial conjunctivitis ✅ Exp: Papillae: vascular core + hypertrophied epithelium.
Q25. Which conjunctival structure is pigmented in dark-skinned individuals?
A. Fornix
B. Limbus
C. Palpebral fold
D. Caruncle
View Answer
B. Limbus ✅ Exp: Limbal melanosis is normal.
Conjunctiva mcq
Q26. Conjunctival epithelium thickness is approximately:
A. 1–2 cells
B. 4–5 cells
C. 2–5 cell layers
D. 10–15 cell layers
View Answer
C. 2–5 cell layers ✅ Exp: Thicker than corneal epithelium? No — cornea has 5–7 layers.
Q27. Which part lacks goblet cells?
A. Inferonasal fornix
B. Tarsal conjunctiva
C. Fornix
D. Limbus
View Answer
D. Limbus ✅ Exp: Goblet cells decrease near limbus.
Q28. Conjunctiva helps immunity by producing:
A. Only IgA
B. Only cytokines
C. IgA, cytokines, antimicrobial peptides
D. Only lysozyme
View Answer
C. IgA, cytokines, antimicrobial peptides ✅ Exp: Plays major immunological role.
Q29. Subconjunctival space is best developed in the:
A. Limbus
B. Bulbar conjunctiva
C. Tarsal conjunctiva
D. Plica
View Answer
B. Bulbar conjunctiva ✅ Exp: Allows easy spread of hemorrhage/edema.
Q30. Which part has maximum lymphoid follicles?
A. Bulbar
B. Palpebral conjunctiva
C. Limbus
D. Caruncle
View Answer
B. Palpebral conjunctiva ✅ Exp: Especially upper tarsal conjunctiva.
