Human Organ System Class 7 MCQs 1. What is the role of the teeth in the digestive system? To help with mechanical digestion of food To help store food To help absorb food To help transport food 2. What is the role of the liver in the digestive system? To help absorb water and minerals To produce bile To produce pancreatic juice To store food 3. What is the role of the gall bladder in the digestive system? To help absorb water and minerals To store bile To produce pancreatic juice To produce bile 4. What is the process of breaking down food into simpler and diffusible molecules called? Elimination Excretion Absorption Digestion 5. What are the two groups of organs that make up the digestive system? Alimentary canal and the accessory digestive organs Alimentary canal and the accessory hormones Alimentary canal and the accessory bones Alimentary canal and the accessory muscles 6. What is the role of saliva in the digestive process? It converts the large protein molecules into small protein molecules It helps to breakdown fats into smaller pieces It starts the chemical digestion of proteins It starts the chemical digestion of carbohydrates 7. What is the role of the oesophagus in the digestive process? It starts the chemical digestion of proteins It acts as a pathway and transports food from pharynx to stomach It starts the chemical digestion of carbohydrates It converts the large protein molecules into small protein molecules 8. What is the role of gastric juice in the digestive process? It starts the chemical digestion of carbohydrates It starts the chemical digestion of proteins It converts the large protein molecules into small protein molecules It helps to breakdown fats into smaller pieces 9. What is the role of bile in the digestive process? It converts the large protein molecules into small protein molecules It starts the chemical digestion of proteins It starts the chemical digestion of carbohydrates It helps to breakdown fats into smaller pieces 10. What is the role of pancreatic juice in the digestive process? It helps to digest proteins, fats, and carbohydrates It starts the chemical digestion of proteins It starts the chemical digestion of carbohydrates It helps to breakdown fats into smaller pieces Loading … Pages: 1 2 3 4 5