OCR BIOLOGY AS (H020) Topic Questions

Here you will find all OCR BIOLOGY AS (H020) Topic questions to revise by topic and exam board with mark scheme and video solution

Biological molecules

Monomers and polymers

Carbohydrates 1

Carbohydrates 2

Lipids

Proteins and enzymes 1

Proteins and enzymes 2

Proteins and enzymes 3

Proteins and enzymes 4

Nucleic acids 1

Nucleic acids 2

ATP

Water

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

Photosynthesis 2

Respiration 1

Respiration 2

Energy and ecosystems 1

Energy and ecosystems 2

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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