A. scurvy
B. rickets
C. night blindness
D. osteomalacia
32. People living in high
altitudes (like mountains) usually have a _________.
A. smaller number of Red Blood Cells
B. larger number of Red Blood Cells
C. smaller number of White Blood Cells
D. larger number of White Blood Cells
33. The average adult has
a blood volume of about __________ liters.
A. 5
B. 5.5
C. 6
D. 6.5
34. The average internal
temperature of human body is __________.
A. 35
C
B. 36
°C
C. 37 C
D. 38 °C
35. Vitamin __________ is
needed for the formation of a light-sensitive pigment in the retina.
A. A
B. C
C. D
D. B complex
36. About __________ of
the body weight of a mammal is water.
A. 60%
B. 65%
C. 70%
D. 75%
37. On wound __________
fight foreign particles, like bacteria.
A. White Blood cells
B. Red Blood Cells
C. Platelets
D. Plasma
38. Blood is carried
towards the heart by __________.
A. Arteries
B. Capillaries
C. Veins
D. none of these
39. __________ is
essential for the formation of haemoglobin.
A. Calcium
B. Iron
C. Water
D. Carbohydrates
40. ___________ are needed
as a source of energy for the vital activities of the body.
A. Calcium
B. Iron
C. Water
D. Carbohydrates
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