Human Organ System Class 7 MCQs

Chapter 1: Human Organ System Class 7 MCQs

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1. What is the function of the mouth in the digestive system?

 Transport of food

 Storage of food

 Physical and chemical digestion

 Absorption

2. What is the role of the oesophagus in the digestive system?

 Physical and chemical digestion

 Absorption

 Transport of food

 Storage of food

3. What is the role of the stomach in the digestive system?

 Transport of food

 Absorption of food

 Physical and chemical digestion of food

 Storage and chemical digestion of food

4. What is chyme?

 The semi-liquid food in the stomach

 The semi-liquid food in the small intestine

 The semi-liquid food in the large intestine

 The semi-liquid food in the mouth

5. What is the role of the small intestine in the digestive system?

 Mechanical digestion of food

 Completion of digestion and absorption of food

 Transport of food

 Storage and chemical digestion of food

6. What is the role of bile in the digestive system?

 To help digest carbohydrates

 To help digest proteins

 To help absorb minerals

 To help digest fats

7. What is the role of the pancreas in the digestive system?

 To produce hydrochloric acid

 To produce pancreatic juice to digest proteins, fats and carbohydrates

 To produce bile

 To help absorb minerals

8. What is the role of the large intestine in the digestive system?

 Storage of food

 Completion of digestion and absorption of food

 Absorption of water and minerals

 Transport of food

9. What is the function of the accessory digestive organs in the digestive system?

 To absorb food

 To help digest food

 To help digest food

 To store food

10. What is the length of the alimentary canal in a living person?

 1.5 meters

 6 meters

 3 meters

 7 meters

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