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CXC · CSEC · Integrated Science

Water Supply, Treatment and Conservation
Practice Questions

20 CXC CSEC Integrated Science questions on Water Supply, Treatment and Conservation, 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 Water Supply, Treatment and Conservation.

Try 2 sample questions on Water Supply, Treatment and Conservation

Question 1 · 1 mark · Difficulty 1/3

A community in rural Jamaica obtains its drinking water from a nearby river. Before consumption, the water is boiled and stored in covered containers. Which process is the boiling primarily intended to achieve?

  1. Filtration
  2. Sedimentation
  3. Sterilisation
  4. Aeration
Show answer & explanation
✓ Answer: CSterilisation
Award 1 mark for recognising that boiling kills microorganisms/pathogens in water. A is incorrect — filtration removes suspended particles, not achieved by boiling. B is incorrect — sedimentation involves particles settling, not heating. D is incorrect — aeration adds oxygen to water, not achieved by boiling.
Question 2 · 1 mark · Difficulty 1/3

The National Water Commission in Jamaica adds chlorine to treated water before distribution. What is the main purpose of this process?

  1. To remove dissolved minerals
  2. To kill disease-causing microorganisms
  3. To improve the taste of the water
  4. To remove suspended particles
Show answer & explanation
✓ Answer: BTo kill disease-causing microorganisms
Award 1 mark for identifying chlorination as a disinfection method. A is incorrect — chlorine does not remove minerals; this requires processes like ion exchange. C is incorrect — chlorine often gives water an unpleasant taste. D is incorrect — filtration, not chlorination, removes suspended particles.
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20 questions · 25 min · free

CXC CSEC Integrated Science: Water Supply, Treatment and Conservation FAQ

How many CXC CSEC Integrated Science questions on Water Supply, Treatment and Conservation are there on Kramizo?
Kramizo currently has 20 exam-board-aligned practice questions on Water Supply, Treatment and Conservation 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 Water Supply, Treatment and Conservation 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 Water Supply, Treatment and Conservation 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 Water Supply, Treatment and Conservation typically tested on CXC CSEC Integrated Science papers?
Water Supply, Treatment and Conservation 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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