Human Digestive System MCQs Class 7
Human Digestive System MCQs Class 7
Class: 7 | Subject: Science
Section: Nutrition in Plants and Animals
Topic: Human Digestive System
Based on NCERT | As per CBSE Board Examination Pattern
Section: Nutrition in Plants and Animals
Topic: Human Digestive System
Based on NCERT | As per CBSE Board Examination Pattern
Instructions: These Multiple Choice Questions (MCQs) are designed strictly as per the NCERT syllabus, making them ideal for CBSE Class 7 Science exams standard.
1. The digestive system begins at the:
Answer: B. Mouth
Digestion starts in the mouth where food is chewed and mixed with saliva.
2. Saliva helps in digestion of:
Answer: C. Starch
Salivary amylase breaks starch into sugars.
3. The food pipe is also called:
Answer: B. Esophagus
It carries food from mouth to stomach.
4. The stomach secretes:
Answer: B. Gastric juice
Gastric juice helps digest proteins.
5. Bile juice is produced by:
Answer: B. Liver
Bile emulsifies fats for digestion.
6. The small intestine is the site of:
Answer: B. Digestion & absorption
Most digestion and nutrient absorption occur here.
7. Finger-like projections in small intestine:
Answer: B. Villi
They increase absorption surface area.
8. Pancreas secretes juice for digestion of:
Answer: C. Carbohydrates, proteins & fats
Pancreatic enzymes digest all major nutrients.
9. The large intestine absorbs:
Answer: B. Water
It absorbs excess water from undigested food.
10. Undigested food is expelled through:
Answer: B. Anus
This process is called egestion.
11. Teeth used for cutting:
Answer: B. Incisors
Sharp front teeth cut food.
12. Teeth used for tearing:
Answer: A. Canines
Pointed teeth tear food.
13. Peristalsis is:
Answer: B. Muscular movement
Pushes food along alimentary canal.
14. Digestion of proteins begins in:
Answer: B. Stomach
Gastric juice digests proteins.
15. Length of small intestine is about:
Answer: C. 6 m
Long length aids absorption.
16. The digestive tract is also called:
Answer: A. Alimentary canal
It runs from mouth to anus.
17. The tongue helps in:
Answer: B. Mixing food
It mixes food with saliva.
18. The stomach is J-shaped and:
Answer: A. Stores food
It churns and digests food.
19. Digestive enzymes are:
Answer: B. Chemicals that digest food
They break food into simpler substances.
20. Final digestion occurs in:
Answer: C. Small intestine
Enzymes complete digestion here.