IGCSE BIOLOGY – FORM 1 EXAMS
1. List the seven characteristics of living organisms.
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2. What does respiration mean in biology?
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3. Differentiate between growth and development.
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4. Give two examples of stimuli to which plants respond.
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5. What is meant by nutrition?
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6. Why is excretion important for living things?
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7. Name two differences between excretion and egestion.
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8. Give two examples of reproduction in plants.
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9. Which characteristic of life is shown when an animal runs away from danger?
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10. State one way in which movement in plants differs from movement in animals.
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11. State the cell theory.
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12. Name the two main types of cells.
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13. What is the function of the nucleus?
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14. Which organelle is responsible for photosynthesis?
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15. Name two structures found in plant cells but not in animal cells.
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16. Give the function of mitochondria.
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17. What is the function of ribosomes?
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18. Define cytoplasm.
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19. Why do muscle cells have many mitochondria?
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20. Draw and label a simple diagram of an animal cell.
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21. Define diffusion.
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22. Give one example of diffusion in plants.
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23. What is osmosis?
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24. How does osmosis differ from diffusion?
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25. Why is osmosis important in plant roots?
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26. Define active transport.
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27. Give one example of active transport in the human body.
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28. State two differences between active transport and diffusion.
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29. What will happen to a plant cell placed in a concentrated sugar solution?
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30. Explain what happens to red blood cells in pure water.
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31. Name the three main types of biological molecules.
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32. What is the basic unit of carbohydrates?
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33. Give two examples of monosaccharides.
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34. Name one function of proteins in the body.
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35. Which elements are present in fats?
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36. What is the test for starch?
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37. What is the positive result for the Benedict’s test?
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38. State one function of water in living organisms.
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39. Why do we need vitamins and minerals?
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40. Name one source of Vitamin C.
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41. What are enzymes made of?
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42. Define catalyst.
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43. What does it mean when an enzyme is denatured?
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44. Name one enzyme that digests starch.
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45. What is the product of starch digestion?
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46. How does temperature affect enzyme activity?
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47. What is the optimum temperature for most human enzymes?
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48. Name one factor, apart from temperature, that affects enzyme activity.
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49. Why are enzymes specific to certain reactions?
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50. Explain why enzymes are important for living organisms.
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