41. Bile produced by
42. Digestion starts in man from
43. Where does digestion of protein begins?
44. After digestion protein is converted into
45. Digestion of starch in mouth takes place by
46. What prevents food from entering the windpipe?
47. Which of the following is true of enzymes?
48. The substances, which assist enzymes act, are called
49. Biological catalysis in living organisms are known as
50. Which of the following is not a function of saliva?
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