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PYQ 1200 Q/A Part - 1
PYQ 1200 Q/A Part - 2
PYQ 1200 Q/A Part - 3
PYQ 1200 Q/A Part - 4
PYQ 1200 Q/A Part - 5
Kerala PSC General Science Book Study Materials Page 477
Book's First Page(c) 6 (d) 8 Ans: (a) 81. The saliva contains an enzyme called (a) ptyalin (b) pepsin (c) trypsin (d) erepsin Ans: (a) 82. Infection of salivary glands by a virus leads to (a) tetanus (b) mumps (c) pyorrhoea (d) ulcers Ans: (b) 83. The hormone that is responsible for secondary sexual character in the male is (a) oestrogen (b) progesterone (c) testosterone (d) prolactin Ans: (c) 84. Saliva flows at the sight of food. This action is (a) involuntary (b) voluntary (c) a reflex (d) causative Ans: (c) 85. The acid that is secreted in the stomach is (a) HCI (b) H2SO4 (c) H2CO3 (d) HNO3 Ans: (a) 86. The bile contains the pigments (a) haemoglobin and haemoerythrin (b) biliviridin and bilirubin (c) bilirubin and haemocyanin (d) haemoglobin and biliviridin Ans: (b) 87. The liver destroys old (a) leucocytes (b) thrombocytes (c) erythrocytes (d) lymphocytes Ans: (c) 88. Insulin is concerned with the metabolism of (a) sugar (b) fats (c) proteins (d) vitamins Ans: (a) 89. Scurvy is prevented by vitamin (a) A (b) B (c) C (d) D Ans: (c) 90. Which one is a water-soluble vitamin? (a) A (b) C (c) D 476