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HomeOCR GCSE Combined Science (Gateway / Twenty First Century)B4: The Processes of Life
OCR · GCSE · Combined Science (Gateway / Twenty First Century)

B4: The Processes of Life
Practice Questions

7 OCR GCSE Combined Science (Gateway / Twenty First Century) questions on B4: The Processes of Life, 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 B4: The Processes of Life.

Try 2 sample questions on B4: The Processes of Life

Question 1 · 1 mark · Difficulty 1/3

Enzymes are biological catalysts made of:

  1. DNA
  2. protein
  3. lipid
  4. carbohydrate
Show answer & explanation
✓ Answer: Bprotein
Enzymes are proteins.
Question 2 · 1 mark · Difficulty 1/3

The green pigment that absorbs light for photosynthesis is:

  1. keratin
  2. melanin
  3. chlorophyll
  4. haemoglobin
Show answer & explanation
✓ Answer: Cchlorophyll
Chlorophyll absorbs light energy.
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20 questions · 25 min · free

OCR GCSE Combined Science (Gateway / Twenty First Century): B4: The Processes of Life FAQ

Is Kramizo free for OCR GCSE students preparing for Combined Science (Gateway / Twenty First Century)?
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 B4: The Processes of Life practice with other Combined Science (Gateway / Twenty First Century) topics or even switch to a totally different OCR 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 B4: The Processes of Life questions aligned to the official OCR GCSE Combined Science (Gateway / Twenty First Century) syllabus?
Every question is written against the published OCR GCSE Combined Science (Gateway / Twenty First Century) specification, including the exact command words (state, describe, explain, calculate, evaluate, etc.), mark allocations, and difficulty tier you'd see on a real OCR 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 OCR.
How is B4: The Processes of Life typically tested on OCR GCSE Combined Science (Gateway / Twenty First Century) papers?
B4: The Processes of Life appears across multiple question types on real OCR GCSE Combined Science (Gateway / Twenty First Century) 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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