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CXC · CSEC · Physics

Measurements and SI Units
Practice Questions

20 CXC CSEC Physics questions on Measurements and SI Units, each with instant feedback and a full examiner-style mark scheme.

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Try 2 sample questions on Measurements and SI Units

Question 1 · 1 mark · Difficulty 1/3

A student in a Jamaican school laboratory is measuring the length of a table using a metre rule. Which of the following is the SI base unit for length?

  1. centimetre
  2. metre
  3. kilometre
  4. millimetre
Show answer & explanation
✓ Answer: Bmetre
Award 1 mark for identifying the metre (m) as the SI base unit for length. A is incorrect — centimetre is a derived unit (1/100 of a metre). C is incorrect — kilometre is a multiple of the base unit. D is incorrect — millimetre is a sub-multiple of the base unit.
Question 2 · 1 mark · Difficulty 1/3

Which of the following quantities has the SI unit kg m⁻³?

  1. force
  2. density
  3. pressure
  4. weight
Show answer & explanation
✓ Answer: Bdensity
Award 1 mark for recognising that density = mass/volume, giving units of kg/m³ or kg m⁻³. A is incorrect — force has SI unit N (kg m s⁻²). C is incorrect — pressure has SI unit Pa (N m⁻² or kg m⁻¹ s⁻²). D is incorrect — weight is a force measured in N.
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20 questions · 25 min · free

CXC CSEC Physics: Measurements and SI Units FAQ

How many CXC CSEC Physics questions on Measurements and SI Units are there on Kramizo?
Kramizo currently has 20 exam-board-aligned practice questions on Measurements and SI Units for CXC CSEC Physics, 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 Physics?
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 Measurements and SI Units practice with other Physics 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 Measurements and SI Units questions aligned to the official CXC CSEC Physics syllabus?
Every question is written against the published CXC CSEC Physics 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 Measurements and SI Units typically tested on CXC CSEC Physics papers?
Measurements and SI Units appears across multiple question types on real CXC CSEC Physics 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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