Anatomy and Physiology mcq on conjunctiva, here are: Accurate • Unique • Based on Khurana • Useful for RRB Optometrist MCQ • Govt Ophthalmic Officer MCQ • Ophthalmic Technician MCQ • NEET PG MCQ • NEXT • AIIMS MCQ.
Q31. The conjunctival stroma is also known as:
A. Endothelium
B. Substantia propria
C. Submucosa
D. Fibrous membrane
View Answer
B. Substantia propria ✅ Exp: It lies beneath conjunctival epithelium and contains vessels & lymphatics.
Q32. Accessory lacrimal gland most commonly located in the fornix is:
A. Wolfring
B. Krause
C. Zeis
D. Moll
View Answer
B. Krause ✅ Exp: Krause glands located in upper fornix.
Q33. The conjunctiva participates in tear film by producing:
A. Lipids
B. Mucin
C. Aqueous
D. Electrolytes
View Answer
B. Mucin ✅ Exp: Goblet cells → mucin layer.
Q34. Which of the following cells are abundant in conjunctival stroma?
A. Eosinophils
B. Neurons
C. Lymphocytes
D. Keratinocytes
View Answer
C. Lymphocytes ✅ Exp: Lymphoid tissue is characteristic.
Q35. Which part of conjunctiva is most vascular?
A. Bulbar conjunctiva
B. Tarsal conjunctiva
C. Fornix
D. Caruncle
View Answer
B. Tarsal conjunctiva ✅ Exp: Tarsal conjunctiva heavily vascularized.
Q36. Which artery primarily supplies palpebral conjunctiva?
A. Ophthalmic artery
B. Posterior ethmoidal artery
C. Peripheral arcades of eyelid
D. Infraorbital artery
View Answer
C. Peripheral arcades of eyelid ✅ Exp: Derived from marginal & peripheral arcade.
Q37. The conjunctival sac is formed by:
A. Lid margin only
B. Bulbar conjunctiva only
C. Reflection of palpebral conjunctiva onto globe
D. Tear meniscus
View Answer
C. Reflection of palpebral conjunctiva onto globe ✅ Exp: Creates a cul-de-sac.
Q38. Maximum depth of lower conjunctival fornix is:
A. 6 mm
B. 10 mm
C. 14 mm
D. 20 mm
View Answer
B. 10 mm ✅ Exp: Upper fornix = 14 mm.
Q39. Goblet cells arise from:
A. Langerhans cells
B. Keratocytes
C. Conjunctival epithelial stem cells
D. Stromal fibroblasts
View Answer
C. Conjunctival epithelial stem cells ✅ Exp: They are modified epithelial cells.
Q40. The conjunctiva is thickest in the:
A. Bulbar conjunctiva
B. Tarsal conjunctiva
C. Inferior fornix
D. Limbus
View Answer
B. Tarsal conjunctiva ✅ Exp: Firmly adherent to tarsus → thick.
Anatomy and Physiology MCQ on Conjunctiva
Q41. Which cells in conjunctiva produce IgA?
A. Eosinophils
B. Plasma cells
C. Goblet cells
D. Mast cells
View Answer
B. Plasma cells ✅ Exp: IgA is secreted by plasma cells in substantia propria.
Q42. Which structure provides smooth surface for eyelid movement?
A. Limbus
B. Bulbar conjunctiva
C. Tarsal conjunctiva
D. Fornix
View Answer
C. Tarsal conjunctiva ✅ Exp: Firm adhesion prevents folds.
Q43. Conjunctival vessels blanch with:
A. Tropicamide
B. Cyclopentolate
C. Phenylephrine
D. Timolol
View Answer
C. Phenylephrine ✅ Exp: Alpha-agonist vasoconstriction.
Q44. Which two layers form the conjunctiva?
A. Epithelium + Endothelium
B. Squamous + Keratin
C. Epithelium + Substantia propria
D. Stroma + Descemet membrane
View Answer
C. Epithelium + Substantia propria ✅ Exp: Standard mucous membrane structure.
Q45. Palpebral conjunctiva contains:
A. Goblet cells only
B. Goblet cells + dense fibrous layer
C. Only squamous epithelium
D. No blood vessels
View Answer
B. Goblet cells + dense fibrous layer ✅ Exp: Deep fibrous layer absent in bulbar, but present in palpebral.
Q46. Which is true about conjunctival epithelial turnover?
A. 1 day
B. 2 days
C. 7–14 days
D. 30 days
View Answer
C. 7–14 days ✅ Exp: Similar to corneal epithelium lifespan.
Q47. Paneth cells in conjunctiva are:
A. Absent
B. Present in bulbar region
C. Not a feature of conjunctiva
D. Present in tarsal region
View Answer
C. Not a feature of conjunctiva ✅ Exp: Paneth cells exist ONLY in intestine, not conjunctiva.
Q48. Which structure serves as a reservoir for medications in the eye?
A. Lacrimal gland
B. Limbus
C. Sclera
D. Conjunctival sac
View Answer
D. Conjunctival sac ✅ Exp: Allows prolonged contact of drops.
Q49. Which muscle is associated with tarsal plate and conjunctiva?
A. Orbicularis oculi
B. Levator aponeurosis
C. Müller’s muscle
D. Inferior oblique
View Answer
C. Müller’s muscle ✅ Exp: Smooth muscle connecting to tarsal plate.
Q50. Palisades of Vogt are located at:
A. Fornix
B. Plica
C. Limbus
D. Tarsal conjunctiva
View Answer
C. Limbus ✅ Exp: Limbal stem cell niche.
Anatomy and Physiology MCQ on Conjunctiva
Q51. Which is a normal conjunctival pigmentation?
A. PAM
B. Conjunctival nevus
C. Racial melanosis
D. OSSN
View Answer
C. Racial melanosis ✅ Exp: Seen in dark-skinned individuals.
Q52. Conjunctival chemosis indicates:
A. Lipid deposition
B. Edema of conjunctiva
C. Necrosis
D. Keratinization
View Answer
B. Edema of conjunctiva ✅ Exp: Fluid accumulation in subconjunctival space.
Q53. Which cells mediate allergic conjunctivitis?
A. Neutrophils
B. Plasma cells
C. Mast cells
D. Keratocytes
View Answer
C. Mast cells ✅ Exp: Release histamine → itching, redness.
Q54. Conjunctival vascular injection is most marked in:
A. Fornix
B. Palpebral conjunctiva
C. Limbus
D. Caruncle
View Answer
B. Palpebral conjunctiva ✅ Exp: Dense vascular plexus.
Q55. Normal conjunctival flora includes all EXCEPT:
A. Staphylococcus epidermidis
B. Corynebacterium
C. Pseudomonas aeruginosa
D. Staphylococcus aureus
View Answer
C. Pseudomonas aeruginosa ✅ Exp: Pseudomonas is NOT part of normal flora.
Q56. Which structure prevents backflow of tears?
A. Fornix
B. Lid margin & tear meniscus
C. Caruncle
D. Conjunctival sac
View Answer
B. Lid margin & tear meniscus ✅ Exp: Meniscus + pump mechanism maintain tear flow.
Q57. Conjunctival hyperemia is earliest seen in:
A. Limbus
B. Caruncle
C. Fornix and palpebral conjunctiva
D. Cornea
View Answer
C. Fornix and palpebral conjunctiva ✅ Exp: Most vascular areas show redness first.
Q58. Conjunctival epithelium contains:
A. Merkel cells
B. Rods and cones
C. Melanocytes + Langerhans cells
D. Osteocytes
View Answer
C. Melanocytes + Langerhans cells ✅ Exp: Immune and pigment cells present.
Q59. Which conjunctival structure forms the “cul-de-sac”?
A. Palpebral conjunctiva
B. Bulbar conjunctiva
C. Fornix
D. Caruncle
View Answer
C. Fornix ✅ Exp: It is the fold where palpebral reflects onto bulbar surface.
Q60. Main function of tarsal conjunctiva is:
A. Mucin production
B. To provide a smooth surface for eyelid movement
C. To store tears
D. To filter pathogens
View Answer
B. To provide a smooth surface for eyelid movement ✅ Exp: Helps in lubrication and lid-globe movement.
Anatomy and Physiology MCQ on Conjunctiva
