141. Scala media is

A Part of cochlea
B Cochlear canal
C Chamber of semicircular canal
D Chamber which is related to perilymph
Answer :   Cochlear canal
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142. Cornea transplant in humans is almost never rejected. This is because

A its cells are least penetrable by bacteria
B it has no blood supply
C it is composed of enucleated cells
D it is a non-living layer
Answer :   it has no blood supply
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143. Which of the following is not an ear ossicles

A Incus
B Malleus
C Humerus
D Stapes
Answer :   Humerus
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144. The transparent lens in the human eye is held in its place by

A ligaments attached to the ciliary body
B ligaments attached to the iris
C smooth muscles attached to the ciliary body
D smooth muscles attached to the iris
Answer :   ligaments attached to the ciliary body
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145. How many oblique and rectus muscles are found to move the eye ball in various direction inside the aye orbit

A Two
B Four
C Six
D Eight
Answer :   Six
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146. Which structure of eye is related to focusing of eye

A Lens
B Cornea
C Retina
D Aqueous and vitreous humor
Answer :   Lens
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147. Iris is part of

A sclerotic
B choroid/Uvea
C choroid and retina
D sclerotic and choroid
Answer :   sclerotic and choroid
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148. Cochlea is mainly responsible for

A Balance only
B Hearing only
C Both balancing and hearing
D Perception of colour
Answer :   Hearing only
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149. Conjunctive of eye is derived from

A Epidermis
B Dermis
C Mesoderm
D Endoderm
Answer :   Epidermis
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150. The structure in the internal ear which resembles a "snail shell" is called

A Organ of corti
B Membranous labirynth
C Cochlea
D Ear ossicles
Answer :   Cochlea
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