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Objective Questions

Latest OPSC Assistant Professor Ophthalmology Exam Question (Objective Questions), MCQ in English

Subjects : Concerned Subject (Ophthalmology)

Question Bank OPSC Assistant Professor (Ophthalmology) Exam - English
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Concerned Subject (Ophthalmology)

Question 1Single Answer
Which of the following bones does not contribute to the bony orbit?
  1. AFrontal bone
  2. BMaxillary bone
  3. CNasal bone
  4. DZygomatic bone
Question 2Single Answer
The roof of the orbit is primarily formed by which bone?
  1. AMaxillary bone
  2. BEthmoid bone
  3. CFrontal bone
  4. DSphenoid bone
Question 3Single Answer
The medial wall of the orbit is mainly composed of which bone?
  1. AZygomatic bone
  2. BLacrimal bone
  3. CMaxillary bone
  4. DTemporal bone
Question 4Single Answer
The inferior orbital fissure is located between which two bones?
  1. AFrontal and ethmoid
  2. BMaxillary and zygomatic
  3. CSphenoid and lacrimal
  4. DPalatine and frontal
Question 5Single Answer
Which nerve passes through the optic canal?
  1. AOculomotor nerve (III)
  2. BTrochlear nerve (IV)
  3. COptic nerve (II)
  4. DAbducens nerve (VI)
Question 6Single Answer
Which of the following muscles is not an extraocular muscle?
  1. ASuperior rectus
  2. BInferior oblique
  3. CLevator palpebrae superioris
  4. DOrbicularis oculi
Question 7Single Answer
The primary action of the superior oblique muscle is:
  1. AAdduction and elevation
  2. BAbduction and depression
  3. CIntorsion and depression
  4. DExtorsion and elevation
Question 8Single Answer
Which cranial nerve innervates the lateral rectus muscle?
  1. AIII
  2. BIV
  3. CVI
  4. DVII
Question 9Single Answer
The conjunctiva is best described as:
  1. AStratified squamous epithelium covering the cornea
  2. BSimple cuboidal epithelium lining the eyelids
  3. CMucous membrane lining the eyelids and covering the anterior sclera
  4. DKeratinized epithelium of the skin around the eye
Question 10Single Answer
Which layer of the cornea is composed of collagen fibrils arranged in a highly regular manner, contributing to its transparency?
  1. AEpithelium
  2. BBowman's layer
  3. CStroma
  4. DDescemet's membrane
Question 11Single Answer
The innermost layer of the cornea is:
  1. ABowman's layer
  2. BStroma
  3. CDescemet's membrane
  4. DEndothelium
Question 12Single Answer
The lens is suspended within the eye by:
  1. AThe iris
  2. BThe ciliary body and zonular fibers
  3. CThe choroid
  4. DThe retina
Question 13Single Answer
Accommodation, the process of focusing on near objects, is primarily achieved by changes in the shape of the:
  1. ACornea
  2. BIris
  3. CLens
  4. DPupil
Question 14Single Answer
The anterior chamber of the eye is filled with:
  1. AVitreous humor
  2. BAqueous humor
  3. CBlood
  4. DLymph
Question 15Single Answer
The drainage of aqueous humor primarily occurs through the:
  1. ACentral retinal artery
  2. BCanal of Schlemm
  3. CVitreous cavity
  4. DOptic nerve head
Question 16Single Answer
The iris controls the amount of light entering the eye by regulating the size of the:
  1. ACornea
  2. BLens
  3. CPupil
  4. DSclera
Question 17Single Answer
The vascular layer of the eye located between the sclera and the retina is the:
  1. AIris
  2. BCiliary body
  3. CChoroid
  4. DConjunctiva
Question 18Single Answer
Which layer of the retina contains the photoreceptor cells (rods and cones)?
  1. AInner limiting membrane
  2. BGanglion cell layer
  3. COuter nuclear layer
  4. DInner plexiform layer
Question 19Single Answer
Rod photoreceptor cells are primarily responsible for:
  1. AColor vision
  2. BSharp, detailed vision
  3. CVision in low light conditions
  4. DCentral vision
Question 20Single Answer
Cone photoreceptor cells are primarily responsible for:
  1. APeripheral vision
  2. BNight vision
  3. CColor vision and visual acuity
  4. DMovement detection
Question 21Single Answer
The area of the retina responsible for the sharpest central vision is the:
  1. AOptic disc
  2. BPeripheral retina
  3. CMacula lutea
  4. DOra serrata
Question 22Single Answer
The fovea centralis is located within the:
  1. AOptic disc
  2. BPeripheral retina
  3. CMacula lutea
  4. DOra serrata
Question 23Single Answer
The optic disc is also known as the:
  1. AYellow spot
  2. BBlind spot
  3. CCentral fovea
  4. DCiliary body
Question 24Single Answer
The vitreous cavity of the eye is filled with:
  1. AAqueous humor
  2. BVitreous humor
  3. CBlood
  4. DLymph
Question 25Single Answer
The outermost fibrous layer of the eye is the:
  1. AChoroid
  2. BRetina
  3. CSclera
  4. DIris
Question 26Single Answer
The limbus is the junction between the:
  1. AIris and pupil
  2. BCornea and sclera
  3. CAnterior and posterior chambers
  4. DRetina and choroid
Question 27Single Answer
The glands of Zeis are associated with the:
  1. AConjunctiva
  2. BCornea
  3. CEyelashes
  4. DLacrimal gland
Question 28Single Answer
The meibomian glands secrete:
  1. AAqueous component of tears
  2. BMucous component of tears
  3. COily component of tears
  4. DLysozyme
Question 29Single Answer
The embryological origin of the lens is:
  1. ASurface ectoderm
  2. BNeural crest
  3. CMesoderm
  4. DNeural tube
Question 30Single Answer
The retina develops from the:
  1. ASurface ectoderm
  2. BNeural crest
  3. CMesoderm
  4. DOptic cup, derived from the neural tube
Question 31Single Answer
The cornea develops from the:
  1. ASurface ectoderm and neural crest
  2. BNeural tube only
  3. CMesoderm only
  4. DSurface ectoderm only
Question 32Single Answer
The sclera and choroid are derived from the:
  1. ASurface ectoderm
  2. BNeural crest
  3. CMesoderm
  4. DNeural tube
Question 33Single Answer
The extraocular muscles develop from the:
  1. ASurface ectoderm
  2. BNeural crest
  3. CMesoderm
  4. DNeural tube
Question 34Single Answer
The lacrimal gland originates from the:
  1. ASurface ectoderm
  2. BNeural crest
  3. CMesoderm
  4. DNeural tube
Question 35Single Answer
The optic vesicle is an outgrowth of the:
  1. AForebrain (diencephalon)
  2. BMidbrain (mesencephalon)
  3. CHindbrain (rhombencephalon)
  4. DSpinal cord
Question 36Single Answer
The optic cup forms during which stage of eye development?
  1. AFormation of the optic vesicle
  2. BInvagination of the optic vesicle
  3. CClosure of the neural tube
  4. DDifferentiation of the lens placode
Question 37Single Answer
The hyaloid artery supplies nutrients to the developing:
  1. ACornea
  2. BLens and vitreous
  3. CRetina
  4. DSclera
Question 38Single Answer
Remnants of the hyaloid artery may persist as:
  1. AColoboma
  2. BPersistent pupillary membrane
  3. CMittendorf dot
  4. DAniridia
Question 39Single Answer
The lens placode is a thickening of the:
  1. ANeural ectoderm
  2. BSurface ectoderm
  3. CMesoderm
  4. DNeural crest
Question 40Single Answer
The process of the lens placode invaginating to form the lens vesicle occurs around which gestational week?
  1. A2nd week
  2. B4th week
  3. C6th week
  4. D8th week
Question 41Single Answer
Failure of complete fusion of the choroidal fissure can result in:
  1. ACataract
  2. BGlaucoma
  3. CColoboma
  4. DRetinoblastoma
Question 42Single Answer
The development of the iris and ciliary body involves contributions from the:
  1. ASurface ectoderm only
  2. BNeural crest and mesoderm
  3. CNeural tube only
  4. DMesoderm and surface ectoderm
Question 43Single Answer
The sensory layer of the retina differentiates from the:
  1. AInner layer of the optic cup
  2. BOuter layer of the optic cup
  3. CLens vesicle
  4. DHyaloid artery
Question 44Single Answer
The retinal pigment epithelium (RPE) develops from the:
  1. AInner layer of the optic cup
  2. BOuter layer of the optic cup
  3. CLens vesicle
  4. DHyaloid artery
Question 45Single Answer
The formation of the optic nerve occurs due to the outgrowth of axons from the:
  1. APhotoreceptor cells
  2. BBipolar cells
  3. CGanglion cells
  4. DAmacrine cells
Question 46Single Answer
The myelination of the optic nerve fibers begins:
  1. AAt the retina
  2. BBehind the lamina cribrosa
  3. CWithin the optic canal
  4. DNear the optic chiasm
Question 47Single Answer
The development of the eyelids involves folds of the:
  1. AConjunctiva only
  2. BSkin and underlying mesenchyme
  3. CCornea and sclera
  4. DRetina and choroid
Question 48Single Answer
The puncta, canaliculi, and nasolacrimal duct develop from a groove in the:
  1. AEyelid margin
  2. BConjunctiva
  3. CNasal placode
  4. DFrontal bone
Question 49Single Answer
The vitreous humor is primarily composed of:
  1. AWater and glucose
  2. BWater and collagen
  3. CWater and hyaluronic acid
  4. DWater and electrolytes
Question 50Single Answer
The primary function of the cornea is:
  1. ATo control the amount of light entering the eye
  2. BTo focus light onto the retina
  3. CTo provide nourishment to the lens
  4. DTo protect the inner structures of the eye
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