41. Pepsin, a digestive enzyme, is produced in the:
(a) Kidney
(b) Liver
(c) Stomach
(d) Small intestine
42. The gastric glands in the stomach produce an enzyme
(a) Ptyalin
(b) Pepsin
(c) Trypsin
(d) Insulin
43. Enzymes belong to the category of
(a) Proteins
(b) Lipids
(c) Carbohydrates
(d) Steroids
44. Enzymes are sensitive to
(a) Heat
(b) pH
(c) Poisons
(d) All three
45. The enzyme that is present in the saliva of man is?
(a) Pepsin
(b) Renin
(c) Amylase
(d) Trypsin
46. Which of the following enzymes converts proteins into peptones?
(a) Pepsin
(b) Trypsin
(c) Erepsin
(d) Enterokinase
47. Which of the following enzymes converts glucose into ethyl alcohol?
(a) Zymase
(b) Invertase
(c) Maltase
(d) Diastase