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PLE Science 2022.
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1.Name the part of flowering plant which grows into aside branch
2.State any one factor to be considered when selecting a site for keeping honey bees.
3.Give any one use of proteins in the human body.
4.Give any one way in which evaporation is important in the environment.
5. Why is it advisable to chew food properly before swallowing it?
6. State any one way in which Athlete's foot can be controlled among school children.
7. Name the type of lens in the diagram above.
9.Give any one role a School Health Club can play in the control of malaria in a community.
10.Name the part of a human tooth that contains blood capillaries and nerve endings.
11. State the reason why the volume of water in a container rises when a stone is lowered into it.
12. How does cigarette smoking affect the human lungs?
13. State any one element of Primary Health Care (PHC) which is important in the prevention of COVID-19.
14. Why are tomatoes grouped as annual crops?
15.State any one way of conserving fossil fuels.
16. Name the vector which spreads river blindness to people.
17. Name the management practice shown with letter K.
18. How is the above practice important to a goat farmer?
19. Which type of weather favours proper harvesting of beans?
20.Give any one way in which you can reduce chances of accidents crossing the road.
21.Name any one human body organ protected by a rib cage
22.Give any one condition that may make an electric bulb fail to produce light in a complete circuit
23.State any one way in which an adolescent can control bad odour that results from body changes.
24.Mention any one way in which you can prevent some clothes from staining others during washing.
25.Identify the class of vertebrates to which the above animal belongs.
26.How does the above animal protect itself?
27. State any one way in which tuberculosis can be controlled.
28. Mention any one way in which food can get contaminated after it has been prepared.
29. Why does sound travel fastest in solids compared to other states of matter?
30. Apart from proper insulation, state any one other way of protecting children against electric shock at home
31. Give any one way in which regular physical exercises help to maintain the muscular-skeletal system healthy.
32. Give one way in which moulds are similar to fems
33.State one reason why ash is usually applied around a pit hole of a latrine.
34. Name one excretory product removed by the lungs
35.Write down any activity that members in school science club can do to conserve the environment
36. State any one in which echoes can be reduced in a large hall.
37.State one way in which water is important during seed germination.
38. How does tapeworm infestation lead to malnutrition in humans
39. Give any one way in which drug poisoning can be prevented among children at home.
40. Give any one effect of cloud cover in an area.
41.State the type of the chance takes places when;
d) Salt dissolves in water
42. Give the meaning of the following terms;
b. Identify any two activities children can do at school to promote good sanitation
a. Name the cattle grazing system shown above .
b. What type of natural manure can be got from the above system?
c. Apart from easy collection of manure, state any two advantages of the above cattle system.
44. To which class of levers does a see-saw belongs?
b. Two pupils, Okello and Jjuuko sat on a see-saw. Okello who weighs 40kg sat 2.5 meters away from the pivot on the side of the see-saw. Jjuuko sat 4 meters away from pivot on the other side. Find the mass of Jjuuko if the see-saw was balanced.
45.Name the largest vein in the human body.
b. Name type of the blood that is transported by the pulmonary artery.
c. State one characteristic of arteries that enables them to carry blood at high pressure.
d. Give one way in which the structure of capillaries enables them to exchange body materials.
b Apart from improving soil aeration, Identify any other two way in which earthworms are important in the soil.
(a) What property of the soil was being studied in the experiment
(b) State the function of the cotton wool in the experiment above.
(c) Given that two soil samples were from sand and clay, which of the two samples was clay?
(d) Given any one reason for you answer in (c) above.
48. State any two effect of chewing miraa (khat) to the human body.
(b) Mention any two things a teenager can do to avoid the habit of chewing miraa (khat).
(b) Give any two ways in which seed dispersal is important to plants.
(b) Which substance is park P made of?
(C) Give the function of the part marked R.
(d) What happens to part S during the process of breathing in?
52(a) Name the two state of matter through which heat travels by convection.
(b) State any two ways in which heat transfer by convection is helpful in our daily life.
(b) State any two characteristrics of the tree suitable for agroforestry.
54. You are provided with the following materials; Salt, sugar, teaspoon, boiled water and clean containers. After washing your hands, write four other steps you will take to prepare salt sugar solution for treating dehydration at home.
(A)
i. Stir the mixture to form a uniform solution
ii. Measure eight teaspoons of sugar into the measured water
iii. Measure one leveled teaspoon of salt into the measured water
iv. Measure one litre of boiled water into a clean container
(B)
i. Measure one leveled teaspoon of salt into the measured water
ii. Stir the mixture to form a uniform solution
iii. Measure eight teaspoons of sugar into the measured water
iv. Measure one litre of boiled water into a clean container
(C)
i. Measure one litre of boiled water into a clean container
ii. Measure one leveled teaspoon of salt into the measured water
iii. Measure eight teaspoons of sugar into the measured water
iv. Stir the mixture to form a uniform solution
(D)
i. Measure one leveled teaspoon of salt into the measured water
ii. Measure eight teaspoons of sugar into the measured water
iii.Stir the mixture to form a uniform solution
iv. Measure one litre of boiled water into a clean container
55(a) Write down any two things that can be added to chicken feeds in order to increase the amount of calcium.
(b) State any two practices a poultry farmer can do to layers to increase on egg production.
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