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HomeAQA GCSE BiologyRequired practical: effect of light intensity on photosynthesis
AQA · GCSE · Biology

Required practical: effect of light intensity on photosynthesis
Practice Questions

15 AQA GCSE Biology questions on Required practical: effect of light intensity on photosynthesis, each with instant feedback and a full examiner-style mark scheme.

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Try 2 sample questions on Required practical: effect of light intensity on photosynthesis

Question 1 · 1 mark · Difficulty 1/3

The gas collected in this practical, produced by photosynthesis, is:

  1. Oxygen
  2. Carbon dioxide
  3. Nitrogen
  4. Hydrogen
Show answer & explanation
✓ Answer: AOxygen
Photosynthesis releases oxygen, which forms the bubbles measured in this experiment.
Question 2 · 1 mark · Difficulty 2/3

In this required practical, the rate of photosynthesis of pondweed is often measured by:

  1. Counting the bubbles of gas released per minute
  2. Weighing the water
  3. Measuring the pH only
  4. Timing how long it floats
Show answer & explanation
✓ Answer: ACounting the bubbles of gas released per minute
The oxygen bubbles released by pondweed (e.g. Elodea) can be counted to indicate the rate of photosynthesis.
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AQA GCSE Biology: Required practical: effect of light intensity on photosynthesis FAQ

How many AQA GCSE Biology questions on Required practical: effect of light intensity on photosynthesis are there on Kramizo?
Kramizo currently has 15 exam-board-aligned practice questions on Required practical: effect of light intensity on photosynthesis for AQA 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 AQA 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 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 Required practical: effect of light intensity on 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 Required practical: effect of light intensity on 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 Required practical: effect of light intensity on photosynthesis typically tested on AQA GCSE Biology papers?
Required practical: effect of light intensity on 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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