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Edexcel · GCSE · Combined Science (Double Award)

Biology: Cells, Genetics and Health
Practice Questions

15 Edexcel GCSE Combined Science (Double Award) questions on Biology: Cells, Genetics and Health, 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 Biology: Cells, Genetics and Health.

Try 2 sample questions on Biology: Cells, Genetics and Health

Question 1 · 1 mark · Difficulty 1/3

What is the function of the nucleus?

  1. Energy production
  2. Contains DNA and controls cell activities and protein synthesis
  3. Photosynthesis
  4. Cell protection
Show answer & explanation
✓ Answer: B — Contains DNA and controls cell activities and protein synthesis
The nucleus contains chromosomes made of DNA. It controls the cell by determining which proteins are made.
Question 2 · 1 mark · Difficulty 1/3

What is a recessive allele?

  1. A harmful allele
  2. A common allele
  3. An allele always expressed
  4. An allele only expressed when homozygous (two copies present, e.g. bb)
Show answer & explanation
✓ Answer: D — An allele only expressed when homozygous (two copies present, e.g. bb)
Recessive alleles are masked by dominant alleles in heterozygotes. Example: if B = brown eyes (dominant) and b = blue eyes (recessive), Bb shows brown eyes.
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Edexcel GCSE Combined Science (Double Award): Biology: Cells, Genetics and Health FAQ

Is Kramizo free for Edexcel GCSE students preparing for Combined Science (Double Award)?
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 Biology: Cells, Genetics and Health practice with other Combined Science (Double Award) topics or even switch to a totally different Edexcel 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 Biology: Cells, Genetics and Health questions aligned to the official Edexcel GCSE Combined Science (Double Award) syllabus?
Every question is written against the published Edexcel GCSE Combined Science (Double Award) specification, including the exact command words (state, describe, explain, calculate, evaluate, etc.), mark allocations, and difficulty tier you'd see on a real Edexcel 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 Edexcel.
How is Biology: Cells, Genetics and Health typically tested on Edexcel GCSE Combined Science (Double Award) papers?
Biology: Cells, Genetics and Health appears across multiple question types on real Edexcel GCSE Combined Science (Double Award) 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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