PAPER CODE: 532/1
MOCK REF: PLE-264260
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.
Identify the chemical substance used as a depolarizer in a standard dry Leclanché cell. [1 mark]
P.7 • Electricity
2.
Give any one danger of rusting to a school farmer's tools. [1 mark]
P.5 • Types of Changes in the Environment
3.
Give any one example of an external parasite (ectoparasite) that attacks cattle. [1 mark]
P.6 • Keeping Cattle
4.
How does eating fresh oranges or lemons help prevent bleeding gums? [1 mark]
P.5 • Food and Nutrition
5.
Give one reason why food should be chewed properly before swallowing. [1 mark]
P.5 • The Digestive System
6.
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
7.
State one activity a school Science Club can undertake to combat environmental deforestation. [1 mark]
P.5 • Managing Changes in the Environment
8.
To which phylum of invertebrates do insects, arachnids, and crustaceans belong? [1 mark]
P.6 • Classification of Animals
9.
Give any one health benefit of regular physical exercises to the human body. [1 mark]
P.7 • The Muscular and Skeletal System
10.
State one personal hygiene activity done using a nail cutter or razor blade. [1 mark]
P.4 • Personal Hygiene
11.
State one way of preventing accidental drug poisoning in young children at home. [1 mark]
P.6 • Accidents and First Aid
12.
State the function of the U-trap in a water closet (flush toilet). [1 mark]
P.6 • Sanitation
13.
Give any two examples of root tuber crops. [1 mark]
P.5 • Crop Growing
14.
State any one way in which fermentation is important in our daily life. [1 mark]
P.6 • Alcohol, Smoking and Drugs
15.
State one way in which people can conserve non-renewable energy resources. [1 mark]
P.7 • Energy Resources in the Environment
16.
State one way of preventing the spread of Tuberculosis (TB). [1 mark]
P.7 • The Respiratory System
17.
Why is the burning of dry paper classified as a chemical change? [1 mark]
P.5 • Types of Changes in the Environment
18.
Name any one excretory product eliminated by the human lungs. [1 mark]
P.7 • The Excretory System
19.
Name any one type of latrine. [1 mark]
P.6 • Sanitation
20.
Which part of the human body is affected by Otalgia? [1 mark]
P.6 • Sound Energy
21.
State any one difference between an artery and a vein. [1 mark]
P.7 • The Circulatory System
22.
How is a burn different from a scald? [1 mark]
P.6 • Accidents and First Aid
23.
What kind of water is recommended for use during tepid sponging, and why should very cold water be avoided? [1 mark]
P.6 • Accidents and First Aid
24.
State one reason why alcohol is preferred to mercury in minimum thermometers. [1 mark]
P.5 • Heat Energy
25.
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
26.
Give any one reason why a burnt or scalded part of the skin is dipped in cold water immediately. [1 mark]
P.6 • Accidents and First Aid
27.
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)
28.
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
29.
Give one road safety practice for pedestrians crossing a busy road. [1 mark]
P.6 • Accidents and First Aid
30.
How does a tortoise protect itself from predators and danger in the environment? [1 mark]
P.5 • Classification of Animals
31.
Why is an electric fuse constructed using a wire with a low melting point? [1 mark]
P.7 • Electricity
32.
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
33.
What scientific term describes the direct change of a solid into a gas without melting into a liquid? [1 mark]
P.5 • Types of Changes in the Environment
34.
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)
35.
Why is an insect compelled to shed its outer covering periodically during growth? [1 mark]
P.7 • The Muscular and Skeletal System
36.
Name the movable joint found between the atlas and axis vertebrae in the neck. [1 mark]
P.7 • The Muscular and Skeletal System
37.
How does chlorine make water safe for drinking? [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.
State one benefit of warming-up exercises to muscles before strenuous physical activities. [1 mark]
P.7 • The Muscular and Skeletal System
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