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The human digestive system
Practice Questions

64 AQA GCSE Biology questions on The human digestive system, each with instant feedback and a full examiner-style mark scheme.

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✨ Revision guide includes key terms, worked examples and exam technique for The human digestive system.

Try 2 sample questions on The human digestive system

Question 1 · 1 mark · Difficulty 1/3

Which type of enzyme breaks proteins down into amino acids?

  1. Protease
  2. Catalase
  3. Lipase
  4. Amylase
Show answer & explanation
✓ Answer: A — Protease
Award 1 mark. Protease is made in the stomach, pancreas and small intestine. Amylase acts on starch and lipase acts on lipids.
Question 2 · 1 mark · Difficulty 1/3

Which two products are formed when a lipid is completely digested?

  1. Amino acids and urea
  2. Fatty acids and glycerol
  3. Starch and cellulose
  4. Glucose and maltose
Show answer & explanation
✓ Answer: B — Fatty acids and glycerol
Award 1 mark. Lipase catalyses this breakdown, and both products are small enough to be absorbed through the wall of the small intestine.
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20 questions · 25 min · free

AQA GCSE Biology: The human digestive system FAQ

Is Kramizo free for AQA GCSE students preparing for Biology?
Yes — completely free. Every student gets 45 questions a day on the free plan, with no card required and no trial countdown. That free quota works across every subject and every topic in our bank, so you can mix The human digestive system practice with other Biology topics or even switch to a totally different AQA subject without paying anything. Kramizo's optional Pro plan removes the daily cap and adds detailed progress analytics, but the free tier is the real product — used by thousands of GCSE, IGCSE and CSEC students.
Are the The human digestive system questions aligned to the official AQA GCSE Biology syllabus?
Every question is written against the published AQA GCSE Biology specification, including the exact command words (state, describe, explain, calculate, evaluate, etc.), mark allocations, and difficulty tier you'd see on a real AQA paper. Explanations are written in the style of official examiner mark schemes — they tell you what is being awarded marks and why distractors are wrong, not just whether you got it right. The bank is continually refined to match the latest syllabus updates from AQA.
How is The human digestive system typically tested on AQA GCSE Biology papers?
The human digestive system appears across multiple question types on real AQA GCSE Biology papers — most commonly as multiple-choice questions in the objective section, structured short-answer questions in the main paper, and occasionally as part of an extended response. Kramizo's practice bank reflects that mix: 4-option MCQs, true/false statements, fill-in-the-blank key terms, multi-select questions, and ordering questions. Working through the bank gives you exposure to every question style examiners actually use.

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