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Just tap any of the four options on this page — no signup, no card, nothing to install. You'll see the correct answer and a full mark-scheme-style explanation within a second. Each visit shows a fresh randomly-picked question from the live Edexcel GCSE Biology bank, so you can keep refreshing to try different ones before deciding whether to create a free account for daily access.

Is Kramizo really free for Edexcel Biology students?

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Are the Biology questions aligned to the Edexcel GCSE syllabus?

Every question is written against the published Edexcel GCSE Biology syllabus and reviewed for accuracy before being added to the bank. We match the command words (state, describe, explain, evaluate), mark allocations, and difficulty tier you'll see on real Edexcel past papers. Explanations are written in the style of official examiner mark schemes so students learn exactly what marks are being awarded for.

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Edexcel · GCSE · Biology

One real Biology question.
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Topic: Ecosystems and Material Cycles. Pick an answer — get the mark scheme instantly.

Question · Difficulty 2/3

As energy passes up a food chain, the amount available:

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363 questions

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One real Biology question.No signup. 30 seconds.

One real Biology question.
No signup. 30 seconds.