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HomeCXC CSEC Integrated ScienceThe Atmosphere: Composition and Climate Change
CXC · CSEC · Integrated Science

The Atmosphere: Composition and Climate Change
Practice Questions

20 CXC CSEC Integrated Science questions on The Atmosphere: Composition and Climate Change, 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 Atmosphere: Composition and Climate Change.

Try 2 sample questions on The Atmosphere: Composition and Climate Change

Question 1 · 1 mark · Difficulty 1/3

Which gas makes up approximately 78% of the Earth's atmosphere?

  1. Oxygen
  2. Nitrogen
  3. Carbon dioxide
  4. Argon
Show answer & explanation
✓ Answer: BNitrogen
Award 1 mark for identifying nitrogen as the most abundant gas at approximately 78%. A is incorrect — oxygen makes up approximately 21%. C is incorrect — carbon dioxide is a trace gas at approximately 0.04%. D is incorrect — argon makes up approximately 0.93%.
Question 2 · 1 mark · Difficulty 2/3

A farmer in Guyana noticed that flooding of low-lying coastal farmland has become more frequent over the past two decades. Which effect of climate change is MOST directly responsible for this observation?

  1. Increased hurricane frequency
  2. Sea level rise
  3. Ozone layer depletion
  4. Acid rain formation
Show answer & explanation
✓ Answer: BSea level rise
Award 1 mark for linking sea level rise to coastal flooding. A is incorrect — hurricanes cause periodic flooding but not the gradual increase described. C is incorrect — ozone depletion affects UV radiation, not sea levels. D is incorrect — acid rain affects ecosystems and structures, not coastal water levels.
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CXC CSEC Integrated Science: The Atmosphere: Composition and Climate Change FAQ

How many CXC CSEC Integrated Science questions on The Atmosphere: Composition and Climate Change are there on Kramizo?
Kramizo currently has 20 exam-board-aligned practice questions on The Atmosphere: Composition and Climate Change for CXC CSEC Integrated Science, 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 CXC 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 CXC CSEC students preparing for Integrated Science?
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 Atmosphere: Composition and Climate Change practice with other Integrated Science topics or even switch to a totally different CXC 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 Atmosphere: Composition and Climate Change questions aligned to the official CXC CSEC Integrated Science syllabus?
Every question is written against the published CXC CSEC Integrated Science specification, including the exact command words (state, describe, explain, calculate, evaluate, etc.), mark allocations, and difficulty tier you'd see on a real CXC 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 CXC.
How is The Atmosphere: Composition and Climate Change typically tested on CXC CSEC Integrated Science papers?
The Atmosphere: Composition and Climate Change appears across multiple question types on real CXC CSEC Integrated Science 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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