MCQ Choice of Question and Answers in Biology Part 17
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56. Following are primary colour of vision except
(a) Red
(b) Green
(c) Yellow
(d) Blue
Answer: c
57. The refractive error in which the image is formed in front of retina is
(a) Myopia
(b) Hypermetropia,
(c) Presbyopia
(d) Astigmatism
Answer: a
58. Passage of light in the eye is controlled by
(a) Cornea
(b) Sclera
(c) Conjunctiva
(d) Iris
Answer: d
59. Endolymph is found in
(a) Synovial cavity
(b) Internal ear
(c) Anterior chamber of eye
(d) Eustachian tubes
Answer: b
60. The muscle of middle ear is
(a) Tensor tympani
(b) Sternocledomastoid
(c) Stapes
(d) Malleus
Answer: a
61. Canal joining internal ear with buccal cavity is
(a) Nasolacrimal duct
(b) Semicircular canal
(c) Eustachian tube
(d) Spinal canal
Answer: c
62. All are ossicles of middle ear except
(a) Stapes
(b) Stapedius
(c) Malleus
(d) Incus
Answer: b
63. A structure not present in middle ear
(a) Membranous labyrinth
(b) Tympanic membrane
(c) Ear ossicles; malleus, incus and stapes
(d) Eustachian tube
Answer: a
64. In a normal person air conduction is
(a) Less than the bone conduction
(b) Both are equal
(c) Better than bone conduction
(d) None is true
Answer: c
65. Sound of minimum intensity which the human ear can perceive is
(a) zero decibel
(b) 20 decibel
(c) 40 decibel
(4) 60 decibel
Answer: a