A variable is any value that does/might change during an experiment. Variables can include things like pH, temperature, colour, or the concentration of substances. The amount of time that has passed is a variable, as are rates of reaction.
Read moreOCR A and OCR B June 2019 - Summer highlights - Great tips from the board
OCR A June 2019 summer highlights
Read moreRepeatable or reproducible ? Valid or accurate ? Glossary of vocabulary
A great glossary of vocabulary that applies to Biology questions and answers.
Read moreNightmare essay ......
Nightmare essays …..
Read moreXylem and Transpiration Question - How would you answer this one ?
Pre-U synoptic exam question - Xylem and transpiration. Transport of Water in Plants
Read moreMuscles, Calcium, mitosis and potency - Try this excellent synoptic question
Outstanding synoptic question on muscles and contraction. Excellent practise
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Read moreChallenging Questions with lots of Data Analysis and Application - A-level Biology past paper questions
Good practice if you are struggling with data analysis questions
Pack of challenging past paper questions with lots of Data Analysis and application - A-level Biology past paper questions - good for OCR and AQA specifications
Read moreInsulin and Blood Sugar Question - #synoptic A-level Biology
Respiration and Enzymes/Protein structure ... Hard Synoptic A-level Biology Question
This is an outstanding synoptic question from a Pre-U Biology Paper. Covers Protein Synthesis, Enzymes, Heart Disease, Respiration ....
Read moreParthogenesis in Lizards...Another Synoptic A-level Biology Question from the archives
Radioactive Phages - Good Synoptic A-level Biology Question #ocrbiology
Cats, Manx ! Phenotype and Siamese and Genetic Crosses #alevelbiology question
Naked Mole rats and Anti-oxidants ... Another synoptic A-level Biology Question
Honey Bees, Sucrose and Chi squared ?? Challenging Synoptic #A-level Biology Questions
Leaf discs in a Syringe - Another Synoptic Question #alevelbiology
Photosynthesis, Enzymes, Pigments, Leaf Buoyancy and more experimental design.
Think about how starch is made and what it is made from ......
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Read moreRespiration 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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Read moreVaccines, Plasmids and Monkeys... More Synoptic Questions - A-level Biology #ocr #eduqas
From an Old OCR Unifying concepts paper. ....
Don't panic, the question is not about DNA vaccines or plasmids.
The question is about differences between protein and DNA structure, protein synthesis, post translational modification of protein, clonal selection, mutation of pathogens. All of which are on the specification.
Read moreMultiple Choice Questions to make you think - A-level Biology
The OCR spec is now partly examined through some terrific multiple choice questions. This is a assessment format that is unusual to many students. Here are 9 questions from an Old paper that will stimulate some thought.
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Read moreHot flower traps fly ... Another Synoptic Question to make you think #alevelbiology
Dont panic, the question is not about the Cuckoopint flowers that you have never heard of, its about aerobic respiration, mitochondria, oxygen consumption - all of which are topics that you are familiar with.
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Read moreWhat on earth ? Making sense of a synoptic A-level Biology question #eduqas
The only prior A-level knowledge you need to answer the question is that lactate is produced when ATP is made from anaerobic respiration.
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