PAPER CODE: 532/1
MOCK REF: PLE-216258
Uganda National Examinations Board
Primary Leaving Examination (Standard Science Mock)
INTEGRATED SCIENCE
TIME: 2h 15m
MARKS: 100
★ CANDIDATE QUESTION PAPER ★
Instructions to Candidates:
- This paper consists of two sections: Section A and Section B.
- Section A has 40 questions (40 marks). Section B has 15 questions (60 marks).
- Answer all questions in both sections. All answers must be written in the spaces provided on this question paper.
- All answers must be written in blue or black ballpoint pen. Diagrams should be drawn in pencil.
- Unnecessary crossing of work and illegible handwriting may lead to loss of marks.
Section A: (Questions 1 to 40) — 40 Marks
1 Mark eachQuestion 1 to 40 carry one mark each. Answer all questions in the spaces provided.
1.
Name the part of an insect used for balancing during flight. [1 mark]
P.6 • Classification of Animals
2.
Why is an insect compelled to shed its outer covering periodically during growth? [1 mark]
P.7 • The Muscular and Skeletal System
3.
State the scientific function of the screen (wire mesh) on top of the vent pipe of a VIP latrine. [1 mark]
P.6 • Sanitation
4.
State any one importance of evaporation in the environment or daily life. [1 mark]
P.5 • Heat Energy
5.
Why does sound travel fastest in solids compared to liquids and gases? [1 mark]
P.6 • Sound Energy
6.
Which weather condition is most suitable for solar drying harvested crops? [1 mark]
P.4 • Weather Changes Around Us
7.
State one way in which school children can help their community control the spread of malaria. [1 mark]
P.5 • Control of Malaria
8.
State any one advantage of castrating male piglets not intended for breeding. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
9.
State the scientific function of soap in cleaning clothes. [1 mark]
P.6 • Science at Home and in Our Community
10.
Name the structure on the head of a tapeworm used for attachment to the intestinal wall. [1 mark]
P.6 • Classification of Animals
11.
State any one element of Primary Health Care. [1 mark]
P.5 • Primary Health Care (PHC)
12.
What is meant by the term balanced diet? [1 mark]
P.5 • Food and Nutrition
13.
Mention one way in which you can prevent some clothes from staining others during washing. [1 mark]
P.6 • Science at Home and in Our Community
14.
State one way of increasing the electrical current produced by a bicycle dynamo. [1 mark]
P.7 • Electricity
15.
Give one effect of thick clouds in the atmosphere. [1 mark]
P.4 • Weather Changes Around Us
16.
State any one way in which the ironing of clothes is useful when cleaning clothes. [1 mark]
P.6 • Science at Home and in Our Community
17.
Give any one reason why veterinary doctors advise farmers NEVER to open the carcass of an animal suspected to have died of Anthrax. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
18.
Give one safety measure to prevent electric shock in a domestic home. [1 mark]
P.6 • Accidents and First Aid
19.
How does boiling make water safe for drinking? [1 mark]
P.6 • Science at Home and in Our Community
20.
What is meant by non-renewable energy resources? [1 mark]
P.7 • Energy Resources in the Environment
21.
Mention any one personal hygiene practice that prevents bad body odour. [1 mark]
P.6 • Personal Hygiene
22.
State any one danger of cigarette smoking to the human respiratory system. [1 mark]
P.7 • The Respiratory System
23.
Give one reason why a person who has fainted should be placed in a cool, open, and well-ventilated space. [1 mark]
P.6 • Accidents and First Aid
24.
State one structural adaptation of a coconut fruit for water dispersal. [1 mark]
P.5 • Plant Life
25.
To which class of vertebrates do snakes and lizards belong? [1 mark]
P.5 • Classification of Animals
26.
State the function of hooks and suckers on the scolex of a tapeworm. [1 mark]
P.6 • Classification of Animals
27.
Give any one reason why a residential living house should have large windows on opposite walls. [1 mark]
P.5 • Primary Health Care (PHC)
28.
How is a burn different from a scald? [1 mark]
P.6 • Accidents and First Aid
29.
Give one reason why copper is the preferred metal for manufacturing electrical conducting cables in domestic installations. [1 mark]
P.7 • Electricity
30.
State any two ways in which washing clothes is important to human health. [1 mark]
P.6 • Science at Home and in Our Community
31.
State one reason why a torch may fail to produce light even when it is switched on. [1 mark]
P.7 • Electricity
32.
Why is wood ash regularly poured into the pit of a latrine or Ecosan toilet? [1 mark]
P.6 • Sanitation
33.
Why are small gaps left between railway rails during track construction? [1 mark]
P.5 • Heat Energy
34.
Why are goats ear tagged or ear notched on a livestock farm? [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
35.
Name the community health workers who act as a frontline bridge between the village and health centres in Uganda. [1 mark]
P.5 • Primary Health Care (PHC)
36.
Name any one type of latrine. [1 mark]
P.6 • Sanitation
37.
State one personal hygiene activity done using a nail cutter or razor blade. [1 mark]
P.4 • Personal Hygiene
38.
Name the part of a cow that changes the color when a cow is on heat. [1 mark]
P.6 • Keeping Cattle
39.
State any one primary sex characteristic in human females. [1 mark]
P.6 • The Reproductive System
40.
State one characteristic of essential drugs in Primary Health Care. [1 mark]
P.5 • Primary Health Care (PHC)
Section B: (Questions 41 to 55) — 60 Marks
4 Marks eachQuestion 41 to 55 carry four marks each. All answers must be written in the spaces provided.
41.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • Sanitation
(a) Give the difference between an Ordinary Pit Latrine and a VIP Latrine in terms of structural coverings.
(b) What material is used in an Ecosan latrine to dry human waste, and what is its role?
(c) State one major maintenance rule for a Water Closet (Flush Toilet) bowl.
42.
Structured & Practical Assessment Item
[4 MARKS]
P.5 • Primary Health Care (PHC)
Primary Health Care involves responsibilities at different levels:
(a) State any one role of an individual in promoting PHC. (1 mark)
(b) State any one role of a school in promoting PHC. (1 mark)
(c) Mention any two roles played by Village Health Teams (VHTs) in a community. (2 marks)
43.
Structured & Practical Assessment Item
[4 MARKS]
P.7 • Simple Machines
A crowbar is used to lift a heavy stone with the fulcrum positioned between the load and the effort:
(a) To which class of levers does the crowbar belong? (1 mark)
(b) State the principle of moments used in levers. (1 mark)
(c) Give any two other everyday examples of machines belonging to the class of levers identified in (a). (2 marks)
44.
Structured & Practical Assessment Item
[4 MARKS]
P.5 • Crop Growing
Match each crop management practice in Column A with its correct agricultural purpose in Column B:
(a) Mulching
(b) Pruning
(c) Thinning
(d) Weeding
45.
Structured & Practical Assessment Item
[4 MARKS]
P.4 • Soil
An experiment was carried out where equal amounts of water were poured through equal volumes of clay soil and sand soil in funnels lined with cotton wool:
(a) Which physical soil property was being investigated? (1 mark)
(b) State the role of cotton wool placed at the neck of the funnel. (1 mark)
(c) In which type of soil did water drain fastest, and give a reason why. (2 marks)
46.
Structured & Practical Assessment Item
[4 MARKS]
P.5 • Keeping Goats, Sheep, and Pigs
A farmer noticed his goats were limping and producing a bad smell from their hooves:
(a) Which livestock disease is the farmer's herd likely suffering from? (1 mark)
(b) State the environmental condition in the goat pen that promotes this disease. (1 mark)
(c) Outline any two measures the farmer should take to control this disease. (2 marks)
47.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • The Reproductive System
(a) Name the male sex hormone responsible for secondary sex changes during puberty.
(b) Mention two secondary physical changes that occur only in boys during puberty.
(c) Name any one secondary physical change that is common to both boys and girls during puberty.
48.
Structured & Practical Assessment Item
[4 MARKS]
P.5 • Primary Health Care (PHC)
(a) Write down the full meaning of the abbreviation PHC. (1 mark)
(b) State any two core principles of Primary Health Care. (2 marks)
(c) Why is Primary Health Care considered more economical for developing nations like Uganda than curative hospital care? (1 mark)
49.
Structured & Practical Assessment Item
[4 MARKS]
P.7 • Forestry and Agroforestry
(a) State any two factors to consider when choosing a site for establishing a school woodlot. (2 marks)
(b) Give any two economic benefits of a school woodlot to the community. (2 marks)
50.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • Sanitation
(a) State any two poor sanitation conditions in a school compound that can encourage the breeding of disease vectors. (2 marks)
(b) Name any two vector-borne or water-borne diseases that can break out as a result of the poor conditions in (a). (2 marks)
51.
Structured & Practical Assessment Item
[4 MARKS]
P.7 • Electricity
(a) State the difference between static electricity and current electricity.
(b) Describe how static charges are produced on a plastic ruler.
(c) State two safety precautions taken to protect tall school buildings against lightning strikes.
52.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • Sanitation
(a) Outline the three correct scientific steps followed when preparing Oral Rehydration Solution (ORS) locally at home. (3 marks)
(b) State the importance of administering ORS to a child suffering from severe diarrhoea. (1 mark)
53.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • Accidents and First Aid
(a) State the difference between drowning and near drowning.
(b) Give any two common causes of near drowning.
(c) State any one way you can help save a near-drowned casualty.
54.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • Science at Home and in Our Community
(a) Name one plant material from which local salt can be prepared at home.
(b) State the physical method used to prepare local salt from ash.
(c) Give any two ways in which the local salt prepared at home is useful to people.
55.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • The Reproductive System
(a) State the difference between identical twins and fraternal twins in terms of fertilization.
(b) State any two physical characteristics unique to identical twins.
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