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HomeEdexcel GCSE BiologyPhotosynthesis: the process and limiting factors
Edexcel · GCSE · Biology

Photosynthesis: the process and limiting factors
Practice Questions

20 Edexcel GCSE Biology questions on Photosynthesis: the process and limiting factors, each with instant feedback and a full examiner-style mark scheme.

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Try 2 sample questions on Photosynthesis: the process and limiting factors

Question 1 · 1 mark · Difficulty 1/3

Which organelle is the main site of photosynthesis in plant cells?

  1. Chloroplast
  2. Mitochondrion
  3. Ribosome
  4. Vacuole
Show answer & explanation
✓ Answer: AChloroplast
Chloroplasts contain chlorophyll, which absorbs light energy to drive photosynthesis. Mitochondria are the site of aerobic respiration, not photosynthesis. Ribosomes are involved in protein synthesis. Vacuoles store cell sap and help maintain turgor pressure.
Question 2 · 1 mark · Difficulty 1/3

What are the raw materials (reactants) required for photosynthesis?

  1. Glucose and oxygen
  2. Carbon dioxide and water
  3. Glucose and carbon dioxide
  4. Oxygen and water
Show answer & explanation
✓ Answer: BCarbon dioxide and water
Photosynthesis uses carbon dioxide (absorbed through stomata) and water (absorbed via roots) to produce glucose and oxygen. Glucose and oxygen are the products of photosynthesis, not the reactants. The other combinations incorrectly mix products with reactants.
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Edexcel GCSE Biology: Photosynthesis: the process and limiting factors FAQ

How many Edexcel GCSE Biology questions on Photosynthesis: the process and limiting factors are there on Kramizo?
Kramizo currently has 20 exam-board-aligned practice questions on Photosynthesis: the process and limiting factors for Edexcel GCSE 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 Edexcel 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 Edexcel GCSE students preparing for 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 Photosynthesis: the process and limiting factors practice with other Biology 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 Photosynthesis: the process and limiting factors questions aligned to the official Edexcel GCSE Biology syllabus?
Every question is written against the published Edexcel GCSE Biology 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 Photosynthesis: the process and limiting factors typically tested on Edexcel GCSE Biology papers?
Photosynthesis: the process and limiting factors appears across multiple question types on real Edexcel GCSE 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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