9. What is peristalsis?
A. Rhythmic contraction of digestive muscles
B. Movement of the tongue
C. Breakdown of starch
D. Production of bile
10. Which part temporarily stores food and mixes it with digestive juices?
A. Liver
B. Colon
C. Stomach
D. Small intestine
11. Which of the following is NOT a digestive gland?
A. Liver
B. Pancreas
C. Salivary gland
D. Small intestine
12. What does the esophagus do?
A. Stores waste
B. Absorbs nutrients
C. Chemically digests food
D. Connects mouth to stomach
13. A function of the digestive system is:
A. Pumping blood
B. Producing oxygen
C. Breaking down food
D. Removing carbon dioxide
14. Which enzyme digests protein in the stomach?
A. Lipase
B. Pepsin
C. Amylase
D. Lactase
15. What should be avoided to prevent ulcers?
A. Stress and spicy foods
B. Proper hygiene
C. Fiber-rich diet
D. Water
16. Which part of the digestive system absorbs water?
A. Liver
B. Stomach
C. Gall bladder
D. Large intestine
17. What does the gallbladder do?
A. Store bile
B. Produce insulin
C. Absorb nutrients
D. Digest carbohydrates
18. Which food group helps regulate bowel movement?
A. Fat
B. Fiber
C. Sugar
D. Protein
19. Which disease is linked to contaminated food and poor hygiene?
A. Ulcer
B. Obesity
C. Constipation
D. Food poisoning
20. What is the role of enzymes in digestion?
A. Store food
B. Protect organs
C. Absorb nutrients
D. Speed up digestion
C. Modified True or False: Directions: Write TRUE if the statement is correct. If FALSE, change the underlined word to correct the sentence. Write your answer in the space provided (15 items)
1. The large intestine is the main site of nutrient absorption.
2. Mechanical digestion uses enzymes to break down food.
3. Peristalsis pushes food through the digestive tract.
4. The liver stores bile until it is needed in the small intestine.
5. Pepsin breaks down carbohydrates in the mouth.
6. The pancreas secretes enzymes and hormones.
7. The esophagus absorbs nutrients.
8. The stomach secretes hydrochloric acid and enzymes.
9. Villi are found in the large intestine.
10. Bile is produced by the pancreas.
11. Constipation is caused by too much water in the stool.
12. Salivary glands begin the chemical digestion of starch.
13. Lactase breaks down fats into smaller molecules.
14. Heartburn is caused by acid reflux into the esophagus.
15. Proper handwashing can help prevent digestive diseases.
Answer (2)
Peristalsis is the rhythmic contraction of digestive muscles that helps move food through the digestive tract. The stomach temporarily stores food and mixes it with juices, while the large intestine absorbs water. Healthy eating and proper hygiene prevent digestive issues and diseases.
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A ;
