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PYQ 1200 Q/A Part - 1
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PYQ 1200 Q/A Part - 5
Kerala PSC General Science Book Study Materials Page 481
Book's First Page(a) 140 (b) 120 (c) 180 (d) 80 Ans: (b) 122. Pacemaker is the (a) Sinu-auricular node (b) Auriculo-ventricular node (c) Bundle of His (d) Purkinje fibres Ans: (a) 123. When does the heart start functioning? (a) At birth (b) After birth (c) Before birth (d) After a week from birth Ans: (c) 124. The rate of heartbeat is accelerated by the hormone (a) adrenaline (b) acetylcholine (c) thyroxine (d) pituitrin Ans: (a) 125. Blood cancer is otherwise called (a) Leukaemia (b) Leucoderma (c) Leucocytopenia (d) Erythrocemia Ans: (a) 126. Which one of the following is essential for blood clotting? (a) RBC (b) WBC (c) Blood platelets (d) Lymph Ans: (c) 127. The study of heart is called (a) haematology (b) cardiology (c) pathology (d) nephrology Ans: (b) 128. The counting of RBCs is done with (a) haemocytometer (b) haemoglobinometer (c) clinostat (d) thermometer Ans: (a) 129. Blood is a kind of (a) epithelial tissue (b) connective tissue (c) nervous tissue (d) cartilage Ans: (b) 130. Oxygen transport is a function of (a) white blood corpuscles (b) red blood corpuscles (c) blood platelets (d) plasma Ans: (b) 131. Blood of cockroach is (a) red 480