(c) medulla oblongata
(d) spinal cord
Ans: (a)
208. The cavities of the brain are filled with
(a) Blood
(b) Lymph
(c) Water
(d) Cerebrospinal fluid
Ans: (d)
209. The part of the human brain concerned with sight is the
(a) Frontal lobe
(b) Parietal lobe
(c) Temporal lobe
(d) Occipital lobe
Ans: (d)
210. The part of the eye behind the lens is filled with
(a) aqueous humor
(b) vitreous humor
(c) lymph
(d) blood
Ans: (b)
211. The tear glands help us in
(a) sobbing
(b) protecting the eye
(c) preventing dust
(d) providing a clean moist surface
Ans: (d)
212. The external ears of man are intended for
(a) ornaments
(b) scattering sound waves
(c) collect sound waves
(d) beauty
Ans: (b)
213. Phonoreceptor refers to the perception of
(a) light
(b) sound
(c) touch
(d) smell
Ans: (b)
214. Eye is an organ that can be called as
(a) Phonoreceptor
(b) Thigmoreceptor
(c) Photoreceptors
(d) Rheoreceptor
Ans: (c)
215. Colour vision is made possible by the cells in the retina called
(a) rods
(b) cones
(c) fovea
(d) blind spot
Ans: (b)
216. The hormone that contains iodine is
(a) Prolactin
(b) Vasopressin
(c) Thyroxine
(d) Adrenalin
Ans: (c)
217. The blood pressure is controlled by the hormone
(a) Vasopressin
(b) Oxytocin
(c) Oestrogen
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