1) What is the nutrient digest by saliva? a) starch b) protein c) fats 2) What is the digestive juice found here? a) intestinal juice b) bile c) gastric juice d) pancreatic juice 3) What enzyme found here? a) salivary amylase b) pepsin c) trypsin d) lipase 4) What is most likely to be digest until it reach stomach? a) bread b) fish c) groundnut d) wheat 5) Which organ is the main digestion and absorption? a) stomach b) liver c) small intestine d) large intestine 6) Which absorb water, vitamin and inorganic salt among the digestive organ? a) liver b) stomach c) small intestine d) large intestine 7) Which of the digestive juice have no enzyme? a) bile b) saliva c) gastric juice d) intestinal juice 8) Which of the following about bile is incorrect? a) Bile is produced by liver. b) Bile emulsify fats into oil droplets. c) Bile works in acidic condition. d) Bile is stored in gall bladder. 9) The finger like structure called villi. They are found in the a) small intestine b) large intestine c) stomach d) oesophagus 10) Which is incorrect about villi? a) They are one cell thick (very thin). b) They helps to increase the surface area. c) They slowdown the process of absorption of nutrients. d) They are found in the wall of small intestine. 11) What is the final products of starch? a) amino acid b) fatty acid and glycerol c) maltose d) glucose 12) Amino acid is the final product of a) starch b) protein c) fats 13) Amino acid is absorbed by which part of the villi? a) blood capillaries b) lacteal 14) Lacteal in the villi absorbed which of the followings? a) amino acid b) fatty acid c) glycerol d) glucose 15) Peristalsis is the process of pushing down the food to the next organ. which muscle found here? a) Cardiac muscle b) Smooth muscle c) Skeletal muscle

digestive system 3

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