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Question-1
The region on the retina that produces the sharpest vision is called the :
(A)
Sclera
(B)
Aqueous humor
(C)
Fovea centralis
(D)
Optic disk
Question-2
The two sac-like structures of the inner ear called the utricle and saccule:
(A)
Contain a fluid called perilymph
(B)
Are part of the membranous labyrinth within the vestibule
(C)
Form the connection between the semicircular canals and the vestibule
(D)
Function as part of the auditory system
Question-3
Which part of the human eye capture light rays and convert them into electrical impulses?
(A)
Cornea
(B)
Retina
(C)
Pupil
(D)
Lens
Question-4
Which is a membrane covering the anterior portion of the eyeball?
(A)
Cornea
(B)
Conjunctiva
(C)
Sclera
(D)
Eyelid
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 ability to sense body position is related to which receptors?
(A)
General
(B)
Pain
(C)
Pressure
(D)
Proprioceptors
Question-7
Where is the blind spot located in human eyes?
(A)
Where the optic nerve leads back into the brain
(B)
Where the cornea leads back into the brain
(C)
Where the pupil leads back into the brain
(D)
Where the hair cells leads back into the brain
Question-8
Which extrinsic eye muscle rotates the eyes clockwise?
(A)
Inferior oblique
(B)
Superior oblique
(C)
Lateral rectus
(D)
Medial rectus
Question-9
Which of the following is NOT part of the vascular layer or uvea?
(A)
Cornea
(B)
Choroid
(C)
Ciliary body
(D)
Iris
Question-10
The area of the brain that integrates proprioceptor data is the:
(A)
Cerebrum
(B)
Hypothalamus
(C)
Cerebellum
(D)
Medulla oblongata
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Cambridge Secondary Grade 9
IGCSE
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