(b) blood concentrate
(c) lymph
(d) antibody component
Ans: (a)
198. pH of blood remains constant due to
(a) blood pressure
(b) buffer action
(c) perspiration
(d) respiration
Ans: (b)
199. Intravascular clotting of blood is known as
(a) anaemia
(b) leucopenia
(c) thrombosis
(d) thrombin
Ans: (c)
200. The pH of normal urine of man ranges from
(a) 6 - 8
(b) 4.5 - 6
(c) 2.5 - 6
(d) 8 – 10
Ans: (a)
201. The nerve messages enter the cell through the
(a) Dendrite
(b) Axon
(c) Cyton
(d) Synapse
Ans: (a)
202. Which one of the following acts as a communication system?
(a) Blood
(b) Nerve
(c) Lymph
(d) Enzymes
Ans: (b)
203. The thermoregulatory centre in the human brain is the
(a) Pituitary
(b) Spinal cord
(c) Cerebellum
(d) Hypothalamus
Ans: (d)
204. The part of the brain in Control of Voluntary muscles is
(a) cerebellum
(b) medulla oblongata
(c) pons
(d) cerebrum
Ans: (d)
205. The olfactory area is concerned with
(a) smell
(b) sight
(c) hearing
(d) speech
Ans: (a)
206. The brain is covered by
(a) meninges
(b) bone
(c) skin
(d) All the above
Ans: (d)
207. Memory is the responsibility of
(a) cerebrum
(b) cerebellum
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