PAPER CODE: 532/1
MOCK REF: PLE-102669
Uganda National Examinations Board
Primary Leaving Examination (Standard Science Mock)
INTEGRATED SCIENCE
TIME: 2h 15m
MARKS: 40
★ 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 0 questions (0 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.
Why does sound travel fastest in solids compared to liquids and gases? [1 mark]
P.6 • Sound Energy
2.
Give a reason why a hard object (wrapped in a clean cloth) should be put in the mouth of a convulsing victim. [1 mark]
P.6 • Accidents and First Aid
3.
Why are small gaps left between railway rails during track construction? [1 mark]
P.5 • Heat Energy
4.
What is meant by non-renewable energy resources? [1 mark]
P.7 • Energy Resources in the Environment
5.
State the difference between sand soil and clay soil in terms of particle size. [1 mark]
P.4 • Soil
6.
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
7.
Give one safety measure to prevent electric shock in a domestic home. [1 mark]
P.6 • Accidents and First Aid
8.
Why is it recommended to use clean wood ash at a tip-tap facility when soap is not available? [1 mark]
P.5 • Primary Health Care (PHC)
9.
Why should a farmer select healthy and viable seeds before planting? [1 mark]
P.5 • Crop Growing
10.
Name the insect vector that spreads River Blindness (Onchocerciasis) to humans. [1 mark]
P.4 • Vectors and Diseases
11.
Name the movable joint found between the atlas and axis vertebrae in the neck. [1 mark]
P.7 • The Muscular and Skeletal System
12.
Name the female parent in goat farming. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
13.
State the condition that must be present for a shadow to be formed. [1 mark]
P.7 • Light Energy
14.
Mention any one personal hygiene practice that prevents bad body odour. [1 mark]
P.6 • Personal Hygiene
15.
During which type of weather does water evaporate fastest from open surfaces? [1 mark]
P.4 • Weather Changes Around Us
16.
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
17.
Give one effect of thick clouds in the atmosphere. [1 mark]
P.4 • Weather Changes Around Us
18.
Name the main natural source of heat and light energy on earth. [1 mark]
P.4 • Energy in the Environment
19.
What is Primary Health Care (PHC)? [1 mark]
P.5 • Primary Health Care (PHC)
20.
In an electric circuit diagram, which instrument is always connected in series to measure electric current? [1 mark]
P.7 • Electricity
21.
State one activity a school Science Club can undertake to combat environmental deforestation. [1 mark]
P.5 • Managing Changes in the Environment
22.
How is a burn different from a scald? [1 mark]
P.6 • Accidents and First Aid
23.
State any one method used to identify individual livestock on a farm. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
24.
State any one difference between an artery and a vein. [1 mark]
P.7 • The Circulatory System
25.
State any one advantage of castrating male piglets not intended for breeding. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
26.
State one way in which food can get contaminated with disease-causing germs in a home. [1 mark]
P.5 • Food and Nutrition
27.
How does boiling make water safe for drinking? [1 mark]
P.6 • Science at Home and in Our Community
28.
How does a tortoise protect itself from predators and danger in the environment? [1 mark]
P.5 • Classification of Animals
29.
What happens when cooking oil is poured onto water in a glass? [1 mark]
P.5 • Matter and Energy
30.
How does painting an iron gate prevent it from rusting? [1 mark]
P.5 • Types of Changes in the Environment
31.
Why is it dangerous to pour highly acidic substances or strong chemical insecticides into a pit latrine? [1 mark]
P.6 • Sanitation
32.
How is tepid sponging useful to a casualty with high fever? [1 mark]
P.6 • Accidents and First Aid
33.
State the function of the eardrum (tympanic membrane) in the human ear. [1 mark]
P.6 • Sound Energy
34.
What is the color code of the earth wire in a modern standard three-pin plug? [1 mark]
P.7 • Electricity
35.
Name the organ in the human body responsible for thinking, intelligence, and memory. [1 mark]
P.7 • The Nervous System
36.
State the minimum distance a pit latrine should be dug away from a domestic spring well or borehole. [1 mark]
P.5 • Primary Health Care (PHC)
37.
Name two methods of obtaining clean water for washing at home. [1 mark]
P.6 • Science at Home and in Our Community
38.
Why is the chin lifted backwards when giving First Aid to an unconscious casualty? [1 mark]
P.6 • Accidents and First Aid
39.
Give one reason why copper is the preferred metal for manufacturing electrical conducting cables in domestic installations. [1 mark]
P.7 • Electricity
40.
Give any one agricultural use of discarded plastic jerrycans or containers in a home. [1 mark]
P.6 • Science at Home and in Our Community
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