Human Body
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121 Which among the following helps in circulation of blood ?
122 The ability of the eye to see in the dark, is due to the production of a purple pigment known as
123 In the case of test tube babies
124 Labourers who do hard manual labour develop thick skin on their palms and soles due to :
127 DNA test was developed by which of the following:
128 If the radius of blood vessels of a person decreases his/her blood pressure will
130 An instrument for measuring blood pressure is called
131 Blood groups were discovered by which of the following:
132 Normal fasting blood sugar level per 100 ml. of blood in man is :
133 Growth of the baby in the uterus is found using