NCERT Digestion in Animals Objective Questions
NCERT Digestion in Animals Objective Questions
Class: 7 | Subject: Science
Section: Nutrition in Plants and Animals
Topic: Digestion in Animals
Based on NCERT | As per CBSE Board Examination Pattern
Section: Nutrition in Plants and Animals
Topic: Digestion in Animals
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 process of breaking down food into simpler substances is called:
Answer: B. Digestion
Digestion converts complex food into simple soluble substances that the body can absorb.
2. The alimentary canal starts from:
Answer: B. Mouth
Food enters the body through the mouth where digestion begins.
3. The muscular movement that pushes food forward is:
Answer: B. Peristalsis
Wave-like contractions of muscles move food along the alimentary canal.
4. The organ where food is churned and mixed with juices:
Answer: B. Stomach
The stomach mixes food with gastric juices for digestion.
5. Digestion of fats mainly occurs in:
Answer: C. Small intestine
Bile and pancreatic juices help digest fats here.
6. Bile juice helps in:
Answer: B. Fat digestion
Bile breaks fats into small droplets.
7. The organ producing pancreatic juice:
Answer: B. Pancreas
It secretes enzymes digesting carbohydrates, proteins, and fats.
8. Absorption of digested food occurs in:
Answer: C. Small intestine
Villi absorb nutrients into bloodstream.
9. Amoeba ingests food using:
Answer: B. Pseudopodia
Temporary projections engulf food particles.
10. Digestion in Amoeba occurs in:
Answer: B. Food vacuole
Enzymes digest food inside the vacuole.
11. Ruminants include:
Answer: B. Cow
They chew cud for digestion.
12. Cud is:
Answer: B. Partially digested food
Returned to mouth for rechewing.
13. Cellulose digestion occurs in:
Answer: B. Ruminant stomach
Microbes help digest cellulose.
14. Largest gland in human body:
Answer: B. Liver
Produces bile juice.
15. Water absorption occurs in:
Answer: B. Large intestine
Removes excess water.
16. Teeth for grinding:
Answer: C. Molars
Flat teeth crush food.
17. Saliva contains enzyme:
Answer: B. Amylase
Digests starch.
18. Undigested food leaves body via:
Answer: B. Anus
Process is egestion.
19. The digestive system ends at:
Answer: C. Anus
Final removal of waste occurs here.
20. Final digestion completes in:
Answer: C. Small intestine
Enzymes complete digestion here.