1. Which process involves breaking down food into simple substances inside the body?
- Absorption
- Ingestion
- Digestion
- Assimilation
Correct Answer: Digestion
2. The process of taking food into the body is called —
- Egestion
- Ingestion
- Assimilation
- Absorption
Correct Answer: Ingestion
3. Which part of the digestive system secretes bile juice?
- Stomach
- Pancreas
- Liver
- Small intestine
Correct Answer: Liver
4. Which enzyme in saliva helps to digest starch?
- Pepsin
- Trypsin
- Salivary amylase
- Lipase
Correct Answer: Salivary amylase
5. Which organ stores bile juice temporarily?
- Pancreas
- Liver
- Gall bladder
- Large intestine
Correct Answer: Gall bladder
6. In humans, most digestion occurs in the —
- Mouth
- Stomach
- Small intestine
- Large intestine
Correct Answer: Small intestine
7. The finger-like projections in the small intestine are called —
- Cilia
- Papillae
- Microvilli
- Villi
Correct Answer: Villi
8. Which organ secretes digestive enzymes and insulin?
- Liver
- Gall bladder
- Pancreas
- Kidney
Correct Answer: Pancreas
9. What is the main function of bile?
- Digest proteins
- Break starch
- Absorb water
- Emulsify fats
Correct Answer: Emulsify fats
10. Which part of the alimentary canal absorbs water and minerals?
- Small intestine
- Rectum
- Large intestine
- Stomach
Correct Answer: Large intestine
11. The rhythmic movement of food through the alimentary canal is called —
- Reflex
- Assimilation
- Peristalsis
- Digestion
Correct Answer: Peristalsis
12. Which part of the digestive system has hydrochloric acid?
- Mouth
- Liver
- Stomach
- Small intestine
Correct Answer: Stomach
13. Which organ does NOT produce any digestive enzyme?
- Pancreas
- Stomach
- Small intestine
- Large intestine
Correct Answer: Large intestine
14. In which part of the body does protein digestion begin?
- Mouth
- Small intestine
- Stomach
- Large intestine
Correct Answer: Stomach
15. Which part of the alimentary canal has both digestive and absorptive functions?
- Large intestine
- Mouth
- Small intestine
- Rectum
Correct Answer: Small intestine
16. Which of the following animals has no teeth?
Correct Answer: Bird
17. Ruminants bring back swallowed food to chew it again. This process is called —
- Assimilation
- Peristalsis
- Rumination
- Egestion
Correct Answer: Rumination
18. The partially digested food in ruminants is called —
Correct Answer: Cud
19. Which animal has a four-chambered stomach?
Correct Answer: Cow
20. What is the function of villi in the small intestine?
- Secrete enzymes
- Digest fats
- Store bile
- Increase surface area for absorption
Correct Answer: Increase surface area for absorption
21. Which organ produces digestive enzymes like trypsin and lipase?
- Stomach
- Liver
- Pancreas
- Mouth
Correct Answer: Pancreas
22. In which organ does digestion of carbohydrates begin?
- Stomach
- Small intestine
- Mouth
- Large intestine
Correct Answer: Mouth
23. Which of the following is not a part of the human digestive system?
- Liver
- Pancreas
- Heart
- Stomach
Correct Answer: Heart
24. The undigested food is removed from the body through —
- Ingestion
- Assimilation
- Egestion
- Absorption
Correct Answer: Egestion
25. The food pipe is also called the —
- Trachea
- Windpipe
- Oesophagus
- Larynx
Correct Answer: Oesophagus
26. What is the main function of saliva?
- Digest fats
- Break down proteins
- Convert starch into sugar
- Absorb nutrients
Correct Answer: Convert starch into sugar
27. Which of these organs does NOT help in digestion?
- Pancreas
- Liver
- Kidney
- Small intestine
Correct Answer: Kidney
28. Which juice helps in digestion of fats in humans?
- Pepsin
- Saliva
- Bile
- Gastric juice
Correct Answer: Bile
29. Which of the following is the correct order of digestion?
- Mouth Oesophagus Stomach Small intestine Large intestine
- Small intestine Mouth Stomach Oesophagus Large intestine
- Large intestine Stomach Mouth Oesophagus Small intestine
- Mouth Small intestine Oesophagus Stomach Large intestine
Correct Answer: Mouth Oesophagus Stomach Small intestine Large intestine
30. The end product of carbohydrate digestion is
- Amino acids
- Fatty acids
- Glucose
- Glycerol
Correct Answer: Glucose
Comments
Post a Comment