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HomeCIE IGCSE BiologyOrganisms and Their Environment
CIE · IGCSE · Biology

Organisms and Their Environment
Practice Questions

116 CIE IGCSE Biology questions on Organisms and Their Environment, 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 Organisms and Their Environment.

Try 2 sample questions on Organisms and Their Environment

Question 1 · 1 mark · Difficulty 1/3

What is an ecosystem?

  1. Only the habitat
  2. A food chain
  3. Just the living organisms
  4. A community of organisms interacting with each other and their physical environment
Show answer & explanation
✓ Answer: DA community of organisms interacting with each other and their physical environment
An ecosystem = biotic (living) factors + abiotic (non-living) factors + their interactions in a particular area.
Question 2 · 1 mark · Difficulty 1/3

What is a producer?

  1. An organism that makes its own food by photosynthesis (e.g. plants, algae)
  2. A predator
  3. A decomposer
  4. An animal that eats plants
Show answer & explanation
✓ Answer: AAn organism that makes its own food by photosynthesis (e.g. plants, algae)
Producers convert light energy to chemical energy (glucose) via photosynthesis. They form the base of all food chains.
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20 questions · 25 min · free

CIE IGCSE Biology: Organisms and Their Environment 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 Organisms and Their Environment 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 Organisms and Their Environment 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 Organisms and Their Environment typically tested on CIE IGCSE Biology papers?
Organisms and Their Environment 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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