ICSE Class 6 Biology - Digestive System - Test 2 (Intermediate)
1. Carbohydrate digestion begins in the:
A. Stomach
B. Mouth
C. Large intestine
2. Movement of food through the food pipe is called:
A. Peristalsis
B. Respiration
C. Diffusion
3. The enzyme present in saliva is:
A. Pepsin
B. Trypsin
C. Amylase
4. The stomach mainly works as a:
A. Absorption organ
B. Storage and mixing organ
C. Respiratory organ
5. Hydrochloric acid is present in the:
A. Stomach
B. Mouth
C. Liver
6. Absorption of nutrients mainly occurs in the:
A. Stomach
B. Mouth
C. Small intestine
7. Bile helps in digestion of:
A. Proteins
B. Fats
C. Vitamins
8. Bile is produced by the:
A. Liver
B. Kidney
C. Stomach
9. The main function of large intestine is:
A. Protein digestion
B. Oxygen transport
C. Water absorption
10. Egestion is the removal of waste through the:
A. Mouth
B. Anus
C. Stomach
11. Digestive enzymes are important because they:
A. Speed up digestion
B. Stop digestion
C. Produce blood
12. The end product of digestion is mainly:
A. Rocks
B. Cells
C. Simple nutrients
13. Villi are present in the:
A. Stomach
B. Small intestine
C. Mouth
14. Saliva helps in:
A. Softening food
B. Pumping blood
C. Breathing
15. Protein digestion starts in the:
A. Mouth
B. Large intestine
C. Stomach
16. The food pipe is also called:
A. Esophagus
B. Trachea
C. Intestine
17. A balanced diet is necessary for:
A. Only energy
B. Healthy growth
C. Only breathing
18. Undigested food is:
A. Stored in blood
B. Used by cells
C. Removed from body
19. Digestion is important because it:
A. Breaks food into absorbable form
B. Stops breathing
C. Produces bones
20. The digestive system helps the body to get:
A. Oxygen
B. Energy
C. Water only