Digestive System
ICSE · Class 9 · Biology
Most important questions from Digestive System for ICSE Class 9 Biology board exam 2026. MCQs, short answer, and long answer questions with marks.
Interactive on Super Tutor
Studying Digestive System? Get the full interactive chapter.
Quizzes, flashcards, AI doubt-solver and a step-by-step study plan — built for important questions and more.
1,000+ Class 9 students started this chapter today
Learn better with visuals Super Tutor has hundreds of illustrations like this across every chapter — all free to try.
Get startedSample Questions
Which of the following are functions of the liver?
Show answer
Produces bile, Stores glycogen, Detoxifies harmful substances, Destroys old red blood cells
The liver has many functions including bile production, glycogen storage, detoxification, and destroying old red blood cells. It does not produce gastric juice - that's done by the stomach lining.
Which parts of the digestive system produce enzymes?
Show answer
Salivary glands, Stomach, Pancreas, Small intestine
Salivary glands produce ptyalin, stomach produces pepsin, pancreas produces multiple enzymes, and small intestine produces various enzymes. The large intestine produces no enzymes.
The gastric juice is:
Show answer
Acidic
Gastric juice is highly acidic due to the presence of hydrochloric acid (HCl). This acid kills germs and activates pepsin enzyme.
Villi are found in:
Show answer
Small intestine
Villi are finger-like projections found in the inner lining of the small intestine (particularly the ileum). They increase the surface area for better absorption of nutrients.
+41 more questions available
Practice AllFrequently Asked Questions
What are the important topics in Digestive System for ICSE Class 9 Biology?
How to score full marks in Digestive System — ICSE Class 9 Biology?
How many important questions are there in Digestive System?
Sources & Official References
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
More resources for Digestive System
Practice Quiz
Test yourself with a quick quiz
Revision Notes
Key points for last-minute revision
Formula Sheet
All formulas in one place
Chapter Summary
Understand the chapter at a glance
Concept Maps
See how topics connect visually
Study Plan
Step-by-step plan to ace this chapter
Flashcards
Quick-fire cards for active recall
Syllabus
What topics to cover
NCERT Solutions
Every textbook question solved step by step
For serious students
Get the full Digestive System chapter — for free.
Quizzes, flashcards, AI doubt-solver and a step-by-step study plan for ICSE Class 9 Biology.