The Digestive System is one of 9 topics in the Grade 9 Natural Sciences CAPS syllabus, covered across 3 lessons on Study Vault. Below are real practice questions from this topic with full worked answers.
Sample practice questions
Easy
1. What does the digestive system break food down into?
Dissolved nutrients that can be absorbed into the blood
Oxygen for the lungs
New cells directly
Carbon dioxide
Answer: Dissolved nutrients that can be absorbed into the blood — The digestive system breaks down food into dissolved nutrients that can be absorbed into the blood and transported to cells.
Easy
2. What is the process of taking food into the body called?
Ingestion
Egestion
Absorption
Circulation
Answer: Ingestion — Ingestion is the process of taking food into the body, the first step of digestion.
Medium
3. Name the process of removing undigested waste from the body.
Answer: egestion — Egestion is the process of removing undigested waste from the body, after digestion and absorption have taken place.
