(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
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