PAPER CODE: 532/1
MOCK REF: PLE-572281
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.
What is the color code of the earth wire in a modern standard three-pin plug? [1 mark]
P.7 • Electricity
2.
Why is the drop hole of a VIP latrine left open without a lid at all times? [1 mark]
P.6 • Sanitation
3.
State any two ways in which washing clothes is important to human health. [1 mark]
P.6 • Science at Home and in Our Community
4.
Give any one psychological life skill that adolescent girls can develop to safeguard themselves against early teenage pregnancies. [1 mark]
P.6 • The Reproductive System
5.
Name any one excretory product eliminated by the human lungs. [1 mark]
P.7 • The Excretory System
6.
Give the scientific meaning of the term skeleton. [1 mark]
P.7 • The Muscular and Skeletal System
7.
State the role of anhydrous calcium chloride in the laboratory investigation of rusting. [1 mark]
P.5 • Types of Changes in the Environment
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 structural adaptation of incisor teeth to their function. [1 mark]
P.4 • The Teeth
10.
State one way of preventing athlete's foot infection. [1 mark]
P.6 • Personal Hygiene
11.
Why is it dangerous to pour highly acidic substances or strong chemical insecticides into a pit latrine? [1 mark]
P.6 • Sanitation
12.
Which weather condition is most suitable for solar drying harvested crops? [1 mark]
P.4 • Weather Changes Around Us
13.
Give one reason why food should be chewed properly before swallowing. [1 mark]
P.5 • The Digestive System
14.
State one way in which people can conserve non-renewable energy resources. [1 mark]
P.7 • Energy Resources in the Environment
15.
Give any two examples of water impurities. [1 mark]
P.6 • Science at Home and in Our Community
16.
State one way in which school children can help their community control the spread of malaria. [1 mark]
P.5 • Control of Malaria
17.
State the condition that must be present for a shadow to be formed. [1 mark]
P.7 • Light Energy
18.
State one reproductive similarity between bread moulds (fungi) and ferns (plants). [1 mark]
P.5 • Fungi and Non-Flowering Plants
19.
State the scientific function of soap in cleaning clothes. [1 mark]
P.6 • Science at Home and in Our Community
20.
Why should a farmer select healthy and viable seeds before planting? [1 mark]
P.5 • Crop Growing
21.
State any one danger of hanging colored clothes under direct sunshine for a long time to dry. [1 mark]
P.6 • Science at Home and in Our Community
22.
In an electric circuit diagram, which instrument is always connected in series to measure electric current? [1 mark]
P.7 • Electricity
23.
Name the disorder of the skeletal system where a bone moves away from its normal position at a joint. [1 mark]
P.7 • The Muscular and Skeletal System
24.
Why is an insect compelled to shed its outer covering periodically during growth? [1 mark]
P.7 • The Muscular and Skeletal System
25.
How does a tortoise protect itself from predators and danger in the environment? [1 mark]
P.5 • Classification of Animals
26.
To which class of vertebrates do tortoises and chameleons belong? [1 mark]
P.5 • Classification of Animals
27.
Why is an electric fuse constructed using a wire with a low melting point? [1 mark]
P.7 • Electricity
28.
State one reason why a torch may fail to produce light even when it is switched on. [1 mark]
P.7 • Electricity
29.
Give one safety measure to prevent electric shock in a domestic home. [1 mark]
P.6 • Accidents and First Aid
30.
Give any one example of an external parasite (ectoparasite) that attacks cattle. [1 mark]
P.6 • Keeping Cattle
31.
State the exact part of the female reproductive system where fertilization takes place. [1 mark]
P.6 • The Reproductive System
32.
State one way in which food can get contaminated with disease-causing germs in a home. [1 mark]
P.5 • Food and Nutrition
33.
How is tepid sponging useful to a casualty with high fever? [1 mark]
P.6 • Accidents and First Aid
34.
How is a burn different from a scald? [1 mark]
P.6 • Accidents and First Aid
35.
State one way PIASCY messages help primary school pupils prevent HIV/AIDS infection. [1 mark]
P.6 • The Reproductive System
36.
State one characteristic of essential drugs in Primary Health Care. [1 mark]
P.5 • Primary Health Care (PHC)
37.
State the function of the eardrum (tympanic membrane) in the human ear. [1 mark]
P.6 • Sound Energy
38.
State any one danger of cigarette smoking to the human respiratory system. [1 mark]
P.7 • The Respiratory System
39.
Name any one vaccine-preventable disease in Uganda that affects the liver. [1 mark]
P.5 • Primary Health Care (PHC)
40.
Name any one element of Primary Health Care (PHC). [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.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)
42.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • Science at Home and in Our Community
(a) Give the meaning of the term siltation (silting).
(b) Identify the major cause of siltation.
(c) State any two effects of siltation in water bodies.
43.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • Classification of Animals
(a) Name the group of worms to which each of the following belongs:
(i) Tapeworm and Liver fluke (1 mark)
(ii) Roundworm and Hookworm (1 mark)
(b) State any two ways in which parasitic worms enter the human body. (2 marks)
44.
Structured & Practical Assessment Item
[4 MARKS]
P.5 • Primary Health Care (PHC)
The diagram below shows a sanitary homestead structure:
(a) Name the structure described as a raised wooden rack used for drying utensils. (1 mark)
(b) Give two reasons why washed plates should be dried on this structure rather than on the ground. (2 marks)
(c) How does direct sunlight assist in the sanitation of utensils on this rack? (1 mark)
45.
Structured & Practical Assessment Item
[4 MARKS]
P.7 • Forestry and Agroforestry
(a) Define the term agroforestry. (1 mark)
(b) State any one characteristic of suitable tree species used in agroforestry. (1 mark)
(c) Give any two benefits of agroforestry to a farmer. (2 marks)
46.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • The Reproductive System
(a) Name the fluid that protects the human foetus from mechanical shock and physical injury inside the womb. (1 mark)
(b) State any two functions of the umbilical cord during pregnancy. (2 marks)
(c) Name the organ in the female reproductive system that produces mature ova. (1 mark)
47.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • Accidents and First Aid
(a) State any two common causes of nose bleeding (epistaxis) in children. (2 marks)
(b) State two First Aid measures given to manage a nose bleeding casualty. (2 marks)
48.
Structured & Practical Assessment Item
[4 MARKS]
P.7 • Simple Machines
(a) Name the simple machine used in a windlass (water winch) for drawing water from deep wells. (1 mark)
(b) State two other practical uses of the machine named in (a). (2 marks)
(c) Name the opposing force that resists motion in simple machines. (1 mark)
49.
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)
50.
Structured & Practical Assessment Item
[4 MARKS]
P.7 • The Muscular and Skeletal System
(a) Name the two voluntary muscles found in the human upper arm.
(b) Give any one function of muscles in the human body.
(c) State any one importance of maintaining correct body posture in humans.
51.
Structured & Practical Assessment Item
[4 MARKS]
P.7 • The Respiratory System
(a) Name the gas needed for: (i) Aerobic respiration (1 mark), (ii) Produced as a waste product of respiration (1 mark)
(b) State any two dangers of violent wind in the environment. (2 marks)
52.
Structured & Practical Assessment Item
[4 MARKS]
P.5 • Types of Changes in the Environment
A Primary 5 pupil heated a tin can with water, sealed it tightly, and poured cold water on it.
(a) What happened to the tin can? (1 mark)
(b) Explain why that happened to the can. (2 marks)
(c) Which physical state transition occurred inside the can? (1 mark)
53.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • Alcohol, Smoking and Drugs
(a) Mention any two health hazards of heavy alcohol consumption to the human body. (2 marks)
(b) State any two social or economic effects of alcoholism to a family. (2 marks)
54.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • Science at Home and in Our Community
The diagram below shows a simple setup of making water clean. Study and use it to answer the questions that follow:
[ Water poured here ]
↓
|~~~~~~~~~~~~~~~| | Coarse Stones | <--- Container T \ / \ Clean Water/ \___________/
↓
[---------] | S | <--- Container S |_________|
(a) Name the method used above.
(b) Apart from coarse stones, name any two other local materials that can be placed in container T.
(c) Why should the clean water obtained in container S be boiled before drinking?
55.
Structured & Practical Assessment Item
[4 MARKS]
P.7 • The Circulatory System
(a) Name the main blood vessel that brings deoxygenated blood from body tissues to the right atrium of the heart. (1 mark)
(b) Which type of blood is carried by the pulmonary vein? (1 mark)
(c) State any two structural adaptations of arteries to their function. (2 marks)
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