SECTION B

41. State two ways in which vectors spread diseases to humans.

(b) Give any two ways of preventing vectors from spreading diseases to humans.

42. The diagram below is of a human urinary system. Study and use it to answer the questions that follow.

(a) Name the parts marked S and T.

(b)What is the function of the part marked R

(c)Give any one disease that affects the above system

43. In the table below, part A shows some activities carried out by farmers and part B shows the effects of the activities.

write the correct effect to the activity in the space provided below.

(i) Irrigation…………………………………………………………..

(ii) Afforestation……………………………………………………..

(iii) Mulching……………………………………………………

(iv) Crop rotation ……………………………………………………………..

44. (a)Give any two examples of non-renewable resources in the environment

(b) State any two ways of conserving non-renewable resources.

45. (a) To which group of plants do ferns and liverworts belong?

(b)How is the reproduction of ferns similar to that of liverworts?

(c) Give two other plants that produce in the same way as ferns and liverworts.

46. (a) Name the change of state which takes place when:

(i) Vapour changes to liquid……………………………..

(ii) a solid changes directly to gas

(b) Apart from causing change of state, give two other effects of heat matter.

47. The diagram below shows a type of eclipse. Study and use it to answer the questions that follow.

(a)Name the type of eclipse shown in the diagram above.

(b)Name the shadows marked P and Q

(c)What happens to a person who would be in part X during the eclipse?

48. (a)In which one way is each of the following elements of primary Health Care (PTC) important to the community?

(i) Water and sanitation

(ii) Maternal and child health

(b) Give any two health care services which are provided through maternal and child health.

49. (a) Name two systems of keeping poultry that enables a farmer to keep large numbers of birds.

(b) State any two viral diseases that can spread easily in the above systems of poultry keeping.

50. (a) Give any one characteristic which is common to all invertebrates

(b) To which group of invertebrates does each of the following animals belong?

(i) Snail……………………………………………………………………..

(ii) Grasshopper ………………………………………………….

(c) State one way in which snails may be dangerous to humans.

51. The diagram below shows a section through a human tooth.

study and use it to answer the questions that follow

(a) Name the parts marked M and K.

(b) Which mineral salt helps to form part M?

(c) Give the function of the part labeled N.

52. (a)State the method that can be used to separate

(i) fruit seeds in juice………………………………………

(ii) millet seeds mixed with its husks

(b) Give the importance of the following steps in cleaning clothes at home.

(i) sorting ……………………………………….

(ii) soaking …………………………………….

53. (a) Write down any two examples of anti-social behavior in our communities.

(b) State any two ways of controlling anti-social behavior in our communities.

54. (a) Apart from using solfa notation, mention any two other ways of storing sound.

(b) Name two instruments used to reproduce the sound stored by solfa notation.

55. The diagram below shows the water cycle. Study and use it to answer the questions that follow.

(a) Name the types of clouds represented by letter A.

(b) State the processes taking place at B and C.

(c) What is the importance of the sun in the above diagram?

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