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Question-1
Which extrinsic eye muscle rotates the eyes clockwise?
(A)
Inferior oblique
(B)
Superior oblique
(C)
Lateral rectus
(D)
Medial rectus
Question-2
The muscle that moves the eye towards the midline is the:
(A)
Superior oblique
(B)
Superior rectus
(C)
Medial rectus
(D)
Lateral rectus
Question-3
The waxy material in the external auditory canal (meatus) is the product of:
(A)
Endolymphatic sacs
(B)
Tarsal glands
(C)
Lacrimal glands
(D)
Ceruminous glands
Question-4
Which part of the human eye capture light rays and convert them into electrical impulses?
(A)
Cornea
(B)
Retina
(C)
Pupil
(D)
Lens
Question-5
The visible outer white surface of the eye is covered by a distinctive epithelium continuous with the inner lining of the eyelids. This epithelium is called the:
(A)
Palpebrae
(B)
Fornix
(C)
Corneal epithelium
(D)
Conjunctiva
Question-6
The inner surface of the eyelids are lined with:
(A)
Conjunctiva
(B)
Extrinsic eye muscles
(C)
Dense connective tissue
(D)
Lacrimal apparatus
Question-7
A sensory receptor capable of detecting changes in hydrogen ion concentration is more accurately described as a:
(A)
Thermoreceptor
(B)
Pain receptor
(C)
Mechanoreceptor
(D)
Chemoreceptor
Question-8
Which is a membrane covering the anterior portion of the eyeball?
(A)
Cornea
(B)
Conjunctiva
(C)
Sclera
(D)
Eyelid
Question-9
Heavy pressure and vibrations stimulate :
(A)
Proprioceptors
(B)
Baroreceptors
(C)
Meissner's corpusles
(D)
Pacinian corpuscles
Question-10
The region on the retina that produces the sharpest vision is called the :
(A)
Sclera
(B)
Aqueous humor
(C)
Fovea centralis
(D)
Optic disk
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Cambridge Secondary Grade 9
IGCSE
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