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HomeAQA GCSE BiologyFactors affecting the rate of photosynthesis
AQA · GCSE · Biology

Factors affecting the rate of photosynthesis
Practice Questions

40 AQA GCSE Biology questions on Factors affecting the rate of photosynthesis, 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 Factors affecting the rate of photosynthesis.

Try 2 sample questions on Factors affecting the rate of photosynthesis

Question 1 · 1 mark · Difficulty 1/3

Which three factors are the main limiting factors for photosynthesis?

  1. Water, oxygen and nitrogen
  2. Light intensity, oxygen concentration and humidity
  3. Light intensity, carbon dioxide concentration and temperature
  4. Temperature, wind speed and soil type
Show answer & explanation
✓ Answer: CLight intensity, carbon dioxide concentration and temperature
The amount of chlorophyll can limit the rate too, for example when a plant is diseased.
Question 2 · 1 mark · Difficulty 1/3

What is the rate of photosynthesis in complete darkness?

  1. The same as at midday
  2. Zero
  3. Half the maximum rate
  4. At its maximum
Show answer & explanation
✓ Answer: BZero
Light supplies the energy for the reaction, so without it photosynthesis cannot happen at all.
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AQA GCSE Biology: Factors affecting the rate of photosynthesis FAQ

Is Kramizo free for AQA 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 Factors affecting the rate of photosynthesis practice with other Biology topics or even switch to a totally different AQA 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 Factors affecting the rate of photosynthesis questions aligned to the official AQA GCSE Biology syllabus?
Every question is written against the published AQA 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 AQA 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 AQA.
How is Factors affecting the rate of photosynthesis typically tested on AQA GCSE Biology papers?
Factors affecting the rate of photosynthesis appears across multiple question types on real AQA 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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