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CXC · CSEC · Human and Social Biology

Life Processes
Practice Questions

24 CXC CSEC Human and Social Biology questions on Life Processes, 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 Life Processes.

Try 2 sample questions on Life Processes

Question 1 · 1 mark · Difficulty 1/3

What is the function of carbohydrates?

  1. Growth and repair
  2. To provide the body with energy
  3. To fight disease
  4. To build bones
Show answer & explanation
✓ Answer: BTo provide the body with energy
Carbohydrates are the body's main source of energy. They are broken down into glucose, which is used in cellular respiration.
Question 2 · 1 mark · Difficulty 1/3

What is the test for starch?

  1. Biuret reagent turns purple
  2. Iodine solution turns blue-black
  3. Benedict's solution turns orange
  4. Ethanol turns cloudy
Show answer & explanation
✓ Answer: BIodine solution turns blue-black
Add iodine solution to the food sample. If starch is present, the iodine changes from brown to blue-black.
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CXC CSEC Human and Social Biology: Life Processes FAQ

How many CXC CSEC Human and Social Biology questions on Life Processes are there on Kramizo?
Kramizo currently has 24 exam-board-aligned practice questions on Life Processes for CXC CSEC Human and Social Biology, 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 Human and Social 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 Life Processes practice with other Human and Social Biology 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 Life Processes questions aligned to the official CXC CSEC Human and Social Biology syllabus?
Every question is written against the published CXC CSEC Human and Social Biology 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 Life Processes typically tested on CXC CSEC Human and Social Biology papers?
Life Processes appears across multiple question types on real CXC CSEC Human and Social 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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