PAPER CODE: 532/1
MOCK REF: PLE-424496
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.
How does the Ecosan latrine promote agricultural productivity? [1 mark]
P.6 • Sanitation
2.
Give the scientific meaning of the term skeleton. [1 mark]
P.7 • The Muscular and Skeletal System
3.
Name the farm structure used to hold cattle or goats firmly during hand spraying, drenching, or vaccination. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
4.
Why is it raised legs that are required when giving first aid to a person who has fainted? [1 mark]
P.6 • Accidents and First Aid
5.
Why is a husband and his wife advised to go for treatment together when they contract gonorrhoea? [1 mark]
P.6 • The Reproductive System
6.
State any one primary sex characteristic in human females. [1 mark]
P.6 • The Reproductive System
7.
State any one function of the diaphragm during the process of breathing. [1 mark]
P.6 • The Respiratory System
8.
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
9.
State the function of the U-trap in a water closet (flush toilet). [1 mark]
P.6 • Sanitation
10.
State any one element of Primary Health Care. [1 mark]
P.5 • Primary Health Care (PHC)
11.
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)
12.
Why is the floor of a modern pigsty built with a gentle slope towards the drainage channel? [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
13.
Why is an electric fuse constructed using a wire with a low melting point? [1 mark]
P.7 • Electricity
14.
State the role of anhydrous calcium chloride in the laboratory investigation of rusting. [1 mark]
P.5 • Types of Changes in the Environment
15.
State any one way in which fermentation is important in our daily life. [1 mark]
P.6 • Alcohol, Smoking and Drugs
16.
Name any one living thing that undergoes moulting in the environment. [1 mark]
P.5 • Types of Changes in the Environment
17.
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
18.
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
19.
Why is water obtained by the distillation method not recommended for drinking at home? [1 mark]
P.6 • Science at Home and in Our Community
20.
In which method of making water clean do you first allow the impurities to settle at the bottom of a container? [1 mark]
P.6 • Science at Home and in Our Community
21.
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
22.
Give any one example of an emotional change in adolescents. [1 mark]
P.6 • The Reproductive System
23.
Why is it dangerous to pour highly acidic substances or strong chemical insecticides into a pit latrine? [1 mark]
P.6 • Sanitation
24.
What is the color code of the earth wire in a modern standard three-pin plug? [1 mark]
P.7 • Electricity
25.
Give one reason why copper is the preferred metal for manufacturing electrical conducting cables in domestic installations. [1 mark]
P.7 • Electricity
26.
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
27.
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
28.
How does painting an iron gate prevent it from rusting? [1 mark]
P.5 • Types of Changes in the Environment
29.
Why is a pregnant mother advised to eat plenty of food rich in iron? [1 mark]
P.5 • Food and Nutrition
30.
Give any one danger of rusting to a school farmer's tools. [1 mark]
P.5 • Types of Changes in the Environment
31.
How does boiling make water safe for drinking? [1 mark]
P.6 • Science at Home and in Our Community
32.
State the scientific function of soap in cleaning clothes. [1 mark]
P.6 • Science at Home and in Our Community
33.
What is meant by the term balanced diet? [1 mark]
P.5 • Food and Nutrition
34.
How does chlorine make water safe for drinking? [1 mark]
P.6 • Science at Home and in Our Community
35.
Why is it not advisable to give a convulsing or fainted person food to eat or water to drink? [1 mark]
P.6 • Accidents and First Aid
36.
Name any one type of latrine. [1 mark]
P.6 • Sanitation
37.
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)
38.
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
39.
How is tepid sponging useful to a casualty with high fever? [1 mark]
P.6 • Accidents and First Aid
40.
Identify the chemical substance used as a depolarizer in a standard dry Leclanché cell. [1 mark]
P.7 • Electricity
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