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CIE · IGCSE · Biology

Organisation of the Organism
Practice Questions

42 CIE IGCSE Biology questions on Organisation of the Organism, each with instant feedback and a full examiner-style mark scheme.

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Try 2 sample questions on Organisation of the Organism

Question 1 · 1 mark · Difficulty 1/3

What is the function of mitochondria?

  1. Photosynthesis
  2. Cell division
  3. Protein synthesis
  4. The site of aerobic respiration — releasing energy from glucose
Show answer & explanation
✓ Answer: D — The site of aerobic respiration — releasing energy from glucose
Mitochondria are where aerobic respiration occurs: glucose + oxygen → CO₂ + water + energy (ATP). Cells with high energy needs (muscle) have many mitochondria.
Question 2 · 1 mark · Difficulty 1/3

Which structures are found in both plant and animal cells?

  1. Cell wall and nucleus only
  2. Cell wall, chloroplasts, vacuole
  3. Nucleus, cell membrane, cytoplasm, mitochondria, ribosomes
  4. Only nucleus and cytoplasm
Show answer & explanation
✓ Answer: C — Nucleus, cell membrane, cytoplasm, mitochondria, ribosomes
Both cell types have: nucleus (DNA), cell membrane (controls entry/exit), cytoplasm (chemical reactions), mitochondria (respiration), ribosomes (protein synthesis).
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20 questions · 25 min · free

CIE IGCSE Biology: Organisation of the Organism FAQ

Is Kramizo free for CIE IGCSE 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 Organisation of the Organism practice with other Biology 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 Organisation of the Organism questions aligned to the official CIE IGCSE Biology syllabus?
Every question is written against the published CIE IGCSE Biology 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 Organisation of the Organism typically tested on CIE IGCSE Biology papers?
Organisation of the Organism appears across multiple question types on real CIE IGCSE 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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