1) The final product of starch is a) amino acid b) glucose c) fatty acid d) glycerol 2) The enzyme found in saliva is a) pepsin b) lipase c) salivary amylase d) bile 3) The digestive juice without enzyme is a) gastric juice b) saliva c) trypsin d) bile 4) Gastric juice can be found in a) mouth b) small intestine c) stomach d) liver 5) Amino acid is the final product of a) protein b) starch c) fats and oil 6) Bile is stored in a) gall bladder  b) liver c) small intestine d) pancreas 7) Bile is used to emulsify fats and oil into a) fatty acid and glycerol b) oil droplets c) amino acid d) glucose 8) The final product of starch and protein absorbed by  a) blood capillaries b) lacteal 9) The final product of fats and oil absorbed by a) blood capillaries b) lacteal 10) The enzyme found in gastric juice is a) pancreatic amylase b) salivary amylase c) lipase d) pepsin 11) The process of pushing down the food in the alimentary canal. a) egestion b) constipation c) peristalsis 12) In which part of the organ, food turn into chyme? a) mouth b) small intestine c) stomach d) large intestine 13) The final product of fats and oil is a) amino acid b) glucose c) fatty acid and glycerol 14) Special feature in the wall of small intestine is a) lacteal b) blood capillaries c) villi 15) Fatty acid and glycerol absorbed by _______ in the villi. a) blood capillaries b) lacteal 16) Which of the enzyme is not found in pancreatic and intestinal juice? a) lipase b) trypsin c) pepsin d) pancreatic amylase 17) Which of the enzyme works best in acidic condition? a) lipase b) salivary amylase c) pepsin d) trypsin 18) The main digestion and absorption organ is a) mouth b) stomach c) large intestine d) small intestine 19) The beginning of small intestine is a) appendix b) anus c) jejunum d) duodenum 20) Which of the following is incorrect about villi? a) Finger like structure in the small intestine wall b) To absorb nutrients with large surface area c) very thin to speed up absorption d) Contain blood capillaries only

Digestive system

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