26. Give any one way in which bees benefit from plants.

27. How is the method of propagation of a sweet potato different from that of an Irish potato?

28. How does the breathing of an adult frog differ from that of a tadpole?

29. Draw a compound leaf in the space provided below.

30. What is the importance of immunizing a pregnant woman against tetanus?

The diagram below shows a garden tool. Use it to answer questions 31 and 32.

31. Name this garden tool.

32. Give any one use of the tool to the farmer.

33. Give any one reason why doctors prescribe drugs for patients.

34. The diagram below shows an object 2 meters away from the mirror. Draw the image of the object.

Two magnets A and B were suspended as shown in the diagram below. Use it to answer question 35.

35. If the pole marked N on magnet A is the north pole, what is the pole marked X on magnet B?

36. A cow and a bat are classified as mammals. To which class of animals do the tortoise and lizard belong?

The diagram below shows a simple lever system. Use it to answer the questions 37, 38 and 39.

37. Show on the diagram, with an arrow, the direction of movement of the effort at P as the load is being lifted.

38. At which of the two points D and P shown on the diagram will less effort be used to lift the load?

39. Give a reason for your answer in 38 above.

40. Why does 1 Kg of iron have less volume than 1kg of cotton wool?