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OCR BIOLOGY A Level (H420) Topic Questions

Here you will find all OCR BIOLOGY A Level (H420) Topic questions to revise by topic and exam board with mark scheme and video solution

Monomers and Polymers

25 practice questions on Monomers and Polymers

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Photosynthesis

25 practice questions on Photosynthesis

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Mass Transport

25 practice questions on Mass Transport

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Inheritance

25 practice questions on Inheritance

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Genetic diversity and Adaptation

25 practice questions on Genetic diversity and Adaptation

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Genetic fingerprinting

25 practice questions on Genetic fingerprinting

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Cell Structure

25 practice questions on Cell Structure

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Control of blood glucose concentration

25 practice questions on Control of blood glucose concentration

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Biological molecules

Monomers and polymers

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Video Solution

Carbohydrates 1

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Carbohydrates 2

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Lipids

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Proteins and enzymes 1

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Proteins and enzymes 2

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Proteins and enzymes 3

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Proteins and enzymes 4

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Nucleic acids 1

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Nucleic acids 2

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ATP

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Water

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Inorganic ions

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Cells

Cell structure 1

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Cell structure 2

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All cells arise from other cells 1

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All cells arise from other cells 2

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Transport across cell membranes 1

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Transport across cell membranes 2

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Transport across cell membranes 3

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Cell recognition and the immune system 1

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Cell recognition and the immune system 2

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Studying cells 1

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Studying cells 2

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Organisms exchange substances with their environment

Surface area to volume ratio 1

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Surface area to volume ratio 2

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Gas exchange 1

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Gas exchange 2

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Digestion and absorption

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Mass transport 1

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Mass transport 2

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Mass transport 3

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Mass transport in plants

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Genetic information, variation and relationships between organisms

DNA, genes and chromosomes

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DNA and protein synthesis 1

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DNA and protein synthesis 2

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Genetic diversity 1

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Genetic diversity 2

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Genetic diversity and adaptation 1

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Genetic diversity and adaptation 2

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Species and taxonomy

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Biodiversity within a community

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Investigating diversity 1

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Investigating diversity 2

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Energy transfers in and between organisms

Photosynthesis 1

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Photosynthesis 2

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Respiration 1

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Respiration 2

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Energy and ecosystems 1

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Energy and ecosystems 2

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Nutrient cycles

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Organisms respond to changes in their internal and external environments

Survival and response

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Receptors

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Control of heart rate

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Nerve impulses

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Synaptic transmission

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Skeletal muscles

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Principles of homeostasis and negative feedback

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Control of blood glucose concentration

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Control of blood water potential

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Genetics, populations, evolution and ecosystems

Inheritance 1

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Inheritance 2

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Populations

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Evolution

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Populations in ecosystems 1

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Populations in ecosystems 2

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The control of gene expression

Gene mutations

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Most of a cell’s DNA is not translated

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Regulation of transcription and translation

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Gene expression and cancer

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Using genome projects

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Recombinant DNA technology

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Differences in DNA

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Genetic fingerprinting

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Photosynthesis

25 practice questions on Photosynthesis

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