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PYQ 1200 Q/A Part - 1
PYQ 1200 Q/A Part - 2
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PYQ 1200 Q/A Part - 5
Kerala PSC General Science Book Study Materials Page 489
Book's First Page(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 488