Free CXC CSEC Biology
Practice Questions

1,083 CXC CSEC Biology questions with instant feedback across 56 topics, every one accompanied by an examiner-style mark scheme. Start your first quiz in 30 seconds — no card required.

• 📝Disease and Its Impact20Q→
• Microorganisms: Types, Structure and Economic Importance20Q→
• Coordination and Response in Plants: Tropisms and Plant Hormones20Q→
• Components and Functions of Blood20Q→
• 📝Nutrient Cycles: Carbon Cycle and Nitrogen Cycle20Q→
• Variation – Continuous and Discontinuous Variation20Q→
• Mutations – Gene and Chromosomal Mutations20Q→
• 📝Natural Selection and Evolution20Q→
• Microorganisms in Food Production and Biotechnology20Q→
• 📝Lymphatic System20Q→
• Experimental Design and Analysis of Biological Investigations20Q→
• Gas Exchange in Plants – Stomata and Lenticels20Q→
• Gaseous Exchange in Humans20Q→
• 📝Fertilisation, Implantation and Development of the Embryo20Q→
• 📝Absorption and Assimilation of Digested Food20Q→
• Nutrient Cycles – Water Cycle20Q→
• Cloning – Plant and Animal Cloning20Q→
• Transport in Plants – Xylem and Phloem20Q→
• 📝Drugs: Types, Effects and Abuse (Including Alcohol and Tobacco)20Q→
• 📝Sexually Transmitted Infections (STIs): Causes, Transmission and Prevention20Q→
• 📝Mendelian Genetics: Monohybrid Inheritance20Q→
• Translocation of Organic Substances in Phloem20Q→
• The Human Ear – Structure and Function20Q→
• Cell Specialisation and Organisation20Q→
• 📝Classification of Living Organisms20Q→
• Neurones – Structure and Function20Q→
• 📝Living Organisms in the Environment20Q→
• Asexual Reproduction – Types and Examples in Plants and Animals20Q→
• 📝Levels of Organisation: Cells, Tissues, Organs and Systems20Q→
• Population Ecology and Sampling Techniques20Q→
• 📝Population Ecology: Growth, Size and Limiting Factors20Q→
• Support and Movement – Human Skeleton and Joints20Q→
• Homeostasis – Principles and Negative Feedback20Q→
• Codominance, Incomplete Dominance and Multiple Alleles20Q→
• 📝Muscles and Movement: Antagonistic Muscle Action20Q→
• 📝Blood Vessels: Arteries, Veins and Capillaries20Q→
• 📝Human Circulatory System: Structure and Function of the Heart20Q→
• 📝Sense Organs: The Eye (Structure and Function)20Q→
• Disease and Immunity20Q→
• 📝Cell Division: Mitosis and Its Significance20Q→
• Support in Plants – Turgidity, Lignification and Growth20Q→
• The Human Eye – Structure, Function and Common Defects20Q→
• Vaccination and Immunisation20Q→
• 📝Sense Organs: The Ear (Structure and Function)20Q→
• The Human Nervous System – Central and Peripheral Nervous System20Q→
• Gas Exchange at the Alveoli and Tissues20Q→
• Ecology20Q→
• Human Excretory System – Structure and Function of the Kidney20Q→
• 📝The Nervous System: Central and Peripheral Nervous System20Q→
• Enzymes – Structure, Function and Factors Affecting Activity20Q→
• 📝Cell Division: Meiosis and Its Significance20Q→
• The Placenta – Structure and Functions20Q→
• 📝The Endocrine System: Glands, Hormones and Target Organs20Q→
• Respiration11Q→
• Nutrition in Plants6Q→
• 📝Characteristics of Living Organisms6Q→

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