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GCSE Biology Practice Questions — MCQ Quiz Bank
Practice for your GCSE Biology exam with 1,000+ free multiple choice questions covering all major topics — Cell Biology, Genetics, Ecology, Human Biology, Plant Biology and more. Compatible with AQA, Edexcel, OCR and all major exam boards.
Cell Biology
Cell structure, organelles, prokaryotic vs eukaryotic, microscopy and magnification, transport in cells (diffusion, osmosis, active transport)
Cell Division
Mitosis, cell cycle, chromosomes and DNA replication
Biological Molecules
Carbohydrates, proteins, lipids, enzymes, DNA structure and genome
Photosynthesis
Photosynthesis equation, limiting factors, experiments
Respiration
Aerobic and anaerobic respiration, role of ATP
Gas Exchange
Lungs, alveoli, breathing mechanism, exchange surfaces
Circulatory System
Heart, blood vessels, blood components, double circulation
Excretion
Kidneys, urine formation, osmoregulation
Nervous System
Neurons, synapses, reflex arc, brain, sense organs
Hormones & Endocrine System
Hormones, glands, feedback mechanisms, homeostasis
Plant Biology
Plant growth, tropisms, plant hormones, transport in plants
Inheritance & Variation
DNA, genes, Punnett squares, genetic disorders, selective breeding, genetic engineering
Evolution & Classification
Variation, natural selection, fossils, extinction, taxonomy, binomial nomenclature
Ecology
Ecosystems, adaptations, food chains, biodiversity, human impact, conservation
Health & Disease
Pathogens, immune system, vaccines, antibiotics, plant diseases, lifestyle diseases