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HomeCIE IGCSE Co-ordinated Science (Double Award)Animal nutrition and the digestive system
CIE · IGCSE · Co-ordinated Science (Double Award)

Animal nutrition and the digestive system
Practice Questions

40 CIE IGCSE Co-ordinated Science (Double Award) questions on Animal nutrition and the 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 Animal nutrition and the digestive system.

Try 2 sample questions on Animal nutrition and the digestive system

Question 1 · 1 mark · Difficulty 1/3

Which enzyme is responsible for the digestion of starch in the mouth?

  1. Maltase, which breaks starch into glucose
  2. Protease, which breaks starch into amino acids
  3. Amylase, which breaks starch into maltose
  4. Lipase, which breaks starch into fatty acids
Show answer & explanation
✓ Answer: CAmylase, which breaks starch into maltose
Salivary amylase is produced in the salivary glands and begins the chemical digestion of starch, converting it into maltose in the mouth. Lipase digests lipids, not starch. Protease digests proteins into amino acids. Maltase acts in the small intestine on maltose, not on starch directly.
Question 2 · 1 mark · Difficulty 1/3

Where in the digestive system is bile stored before it is released into the duodenum?

  1. In the stomach, mixed with hydrochloric acid
  2. In the gall bladder, until fat is detected
  3. In the pancreas, alongside digestive enzymes
  4. In the liver, where it is also produced
Show answer & explanation
✓ Answer: BIn the gall bladder, until fat is detected
Bile is produced in the liver but stored in the gall bladder, from which it is released into the duodenum when fatty food is detected. The liver produces bile but does not store it. The pancreas stores and releases digestive enzymes, not bile. The stomach contains hydrochloric acid and is not a bile storage site.
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CIE IGCSE Co-ordinated Science (Double Award): Animal nutrition and the digestive system FAQ

How many CIE IGCSE Co-ordinated Science (Double Award) questions on Animal nutrition and the digestive system are there on Kramizo?
Kramizo currently has 40 exam-board-aligned practice questions on Animal nutrition and the digestive system for CIE IGCSE Co-ordinated Science (Double Award), with new questions added every week. Each question gives you instant feedback and a full examiner-style mark scheme that tells you exactly what would earn marks on a real CIE paper. The questions span the full difficulty range — from straightforward recall (level 1) right up to multi-step reasoning and evaluation (level 3) — so the bank works for first-pass revision and final exam-week stress testing alike.
Is Kramizo free for CIE IGCSE students preparing for Co-ordinated Science (Double Award)?
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 Animal nutrition and the digestive system practice with other Co-ordinated Science (Double Award) topics or even switch to a totally different CIE 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 Animal nutrition and the digestive system questions aligned to the official CIE IGCSE Co-ordinated Science (Double Award) syllabus?
Every question is written against the published CIE IGCSE Co-ordinated Science (Double Award) specification, including the exact command words (state, describe, explain, calculate, evaluate, etc.), mark allocations, and difficulty tier you'd see on a real CIE 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 CIE.
How is Animal nutrition and the digestive system typically tested on CIE IGCSE Co-ordinated Science (Double Award) papers?
Animal nutrition and the digestive system appears across multiple question types on real CIE IGCSE Co-ordinated Science (Double Award) 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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