IGCSE Biology

Unit 1 Organisms and Life processes

  1. Life processes
  2. The variety of living organisms

Unit 2 Animal Physiology

  1. Breathing and gas exchange
  2. Food and digestion
  3. Blood and circulation
  4. Coordination
  5. Chemical Coordination
  6. Homeostasis and excretion
  7. Reproduction in Humans

Unit 3 Plant Physiology

  1. Plants and food
  2. Transport in plants
  3. Chemical coordination in plants
  4. Reproduction in plants


Unit 4 Ecology and the Environment

  1. Ecosystems
  2. Human influences on the environment

Unit 5 Variation and selection

  1. Chromosomes, Genes and DNA
  2. Cell Division
  3. Genes and Inheritance
  4. Natural selection and evolution
  5. Selective breeding

Unit 6 Microorganisms and genetic modification

  1. Using microorganisms
  2. Geneic modification


Appendices

Glossary

Answers

Index

Unit Questions


Section 1 - The Nature and Variety of Organisms

  1. Characteristics of Living Organisms
  2. Levels of Organisation
  3. Specialised Cells and Stem Cells
  4. Plants, Animals and Fungi
  5. Protoctists, Bacteria and Viruses
  6. Enzymes
  7. Investigating Enzyme Activity
  8. Diffusion
  9. Osmosis
  10. Diffusion and Osmosis Experiments
  11. Active Transport

Section 2 - Human Nutrition

  1. Biological Molecules
  2. Food Tests
  3. A balanced Diet
  4. Energy from food
  5. Enzymes and digestion
  6. The Alimentary Canal

Section 3 - Plant Nutrition and Transport

  1. Photosynthesis
  2. Rate of Photosynthesis
  3. Photosynthesis Experiments
  4. Minerals for Healthy Growth
  5. Transport in Plants
  6. Transpiration
  7. Measuring Transpiration

Section 4 - Respiration and Gas Exchange

  1. Respiration
  2. Investigating Respiration
  3. Gas Exchange - Flowering Plants
  4. The Respiratory System and Ventilation
  5. Investigating Breathing
  6. Gas Exchange - Humans

Section 5 - Blood and Organs

  1. Functions of the Blood
  2. White blood cells and immunity
  3. Blood Vessels
  4. The Heart
  5. Circulation and Coronary Heart Disease
  6. Excretion - The Kidneys
  7. Osmoregulation - The Kidneys

Section 6 - Coordination and Response

  1. The Nervous System and Responding to Stimuli
  2. Reflexes
  3. The Eye
  4. Hormones
  5. Homeostasis
  6. More on Homeostasis
  7. Responses in Plants

Section 7 - Reproduction and Inheritance

  1. DNA, Genes and Chromosomes
  2. Protein Synthesis
  3. Asexual Reproduction and Mitosis
  4. Sexual Reproduction and Meiosis
  5. Sexual Reproduction in Plants
  6. Fertilisation and Germination in Plants
  7. Investigating Seed Germination
  8. Asexual Reproduction in Plants
  9. Human Reproductive Systems
  10. The Menstrual Cycle and Pregnancy
  11. Genetic Diagrams
  12. More Genetic Diagrams
  13. Family Pedigrees and Sex Determination
  14. Variation
  15. Evolution and Natural Selection
  16. Mutations and Antibiotic Resistance

Section 8 - Ecology and the Environment

  1. Ecosystems and Biodiversity
  2. Using Quadrats
  3. Pyramids of Nmber, Biomass and Energy
  4. Energy Transfer and Food Webs
  5. The Carbon Cycle
  6. The Nitrogen Cycle
  7. Air Pollution
  8. The Greenhouse Effect
  9. Water Pollution and Deforestation

Section 9 - Use of Biological Resources

  1. Increasing Crop Yields
  2. Bacteria and Making Yoghurt
  3. Yeast and Making Bread
  4. Selective Breeding
  5. Fishing Farming
  6. Genetic Engineering
  7. Cloning

Practice papers


  1. Practice Paper 1B
  2. Practice Paper 2B

Answers