Neurones and Action Potentials - A level Biology Questions - by topic - with the markschemes

Neurones and Action Potentials give an opportunity for examiners to get you to explain a graph (in terms of the flow of Sodium and Potassium ions through voltage gated channel) and to link that explanation to first year concepts of facilitated diffusion and active transport.

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Kidney Questions with markschemes -A level Biology Questions by topic

A level Biology Questions by topic - Kidney Questions with markschemes, useful for OCR, AQA, Eduqas

Here are lots of good questions on the kidney. I expect the kidney to appear frequently in the new style papers as they are very synoptic, give opportunities to require calculation and get students to analyse and explain data.

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Respiration Photosynthesis and AS knowledge - a terrific synoptic A-level Biology question

One from the OCR Unifying concepts paper, combines respiration and photosynthesis.

(a) think photolysis and Oxygen accepting electrons ...

(b) is about phosphorylation and diffusion gradients

(c) is about the nature of passive transport and using proteins

(d) is about endosymbionts and prokaryotes

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