Almost every exam question ever asked on the module 2 biological molecules topic for OCR A A level/AS biology (H420 from 2017). Complete mark scheme given at the end. 158 marks worth of questions on the topic of biological molecules, inlcuding sugars, lipids, proteins and water, monomers and polymers, bonding, chromatography and food tests. Includes 21 multiple choice questions, longer answer questions and calculation questions. Perfect to be used to select questions for an end of topic test or for students to use as revision of this topic. Suitable for both AS and A-level.

A collection of 54 marks worth of past paper questions on cell structure, microscopy and magnification for the OCR A (H420 from 2017) spec. Mark scheme included at the end. All questions have been taken from past papers for this specification. Includes multiple choice, calculation and longer answer questions. Perfect for an end of topic test or for students to use as revision. (Please note that magnification question answers may vary depending on paper size).

A set of 115 flashcards/revision cards for module 2 of OCR A A level biology. Includes cell structure, biological molecules, nucleotides and nucleic acids, enzymes, biological membranes and cell division and cellular organisation. Set out in a question-answer form. Attached as a microsoft powerpoint file and as a PDF.

Worked solutions for the November 2021 Edexcel GCSE maths paper 1 (Higher tier). Detailed answers with all working shown.