Froggy Jumps DIGESTIVE SYSTEMOnline version Test your knowledge on mechanical and chemical digestion with these questions! by Nur Amirah 1 What is the function of mechanical digestion? a Absorbing nutrients b Breaking down food into smaller pieces c Producing enzymes 2 Where does chemical digestion primarily occur? a In the mouth b In the large intestine c In the stomach and small intestine 3 Which enzyme is responsible for breaking down carbohydrates? a Pepsin b Lipase c Amylase 4 What is the role of bile in digestion? a Breaking down proteins b Absorbing water c Emulsifying fats 5 What is the main function of the small intestine in digestion? a Mixing food with enzymes b Producing bile c Absorbing nutrients 6 Which organ produces hydrochloric acid for digestion? a Stomach b Pancreas c Liver 7 What is the function of peristalsis in digestion? a Neutralizing stomach acid b Moving food through the digestive tract c Breaking down proteins 8 Which type of digestion involves the physical breakdown of food? a Absorption b Chemical digestion c Mechanical digestion 9 What is the pH level of the stomach during digestion? a Neutral (pH 7) b Acidic (around 2) c Alkaline (pH 9) 10 Which enzyme is responsible for breaking down proteins? a Pepsin b Amylase c Lipase 11 State the name of the green area. a Esophageal sphincter b Rugae c Pyloric sphincter 12 What does the picture show? a Gallstones b Bile salts c Bolus 13 What is the level of stomach PH should be to activate enzymes? a <7 b 7 c 7> 14 What is the function of the organ? a produces enzymes that help to digest food, particularly protein b fights invading germs in the blood c process the nutrients absorbed from the small intestine 15 What kind of enzymes does the organ secrete? a Lipase b Amylase c Tripsin 16 Where is the gallbladder located in the human body? a right side of the stomach, below the liver b left side of the stomach c under the stomach 17 Where does most of the digestive process take place? a Stomach b Small intestine c Large intestine 18 Where is the enteric nervous system located in the body? a the abdominal cavity b The brain c The kidney 19 What is the funtions of Villi and Microvilli Increase the surface area for? a Breakdown of food particles b Secrete digestive enzymes or hormones c Absorption of nutrients 20 How many organs that involve in the digestive system? a 9 b 8 c 7
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