PAPER CODE: 532/1
MOCK REF: PLE-530668
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.
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)
2.
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
3.
How does eating fresh oranges or lemons help prevent bleeding gums? [1 mark]
P.5 • Food and Nutrition
4.
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
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 the role of anhydrous calcium chloride in the laboratory investigation of rusting. [1 mark]
P.5 • Types of Changes in the Environment
7.
Give any one reason why a residential living house should have large windows on opposite walls. [1 mark]
P.5 • Primary Health Care (PHC)
8.
State the function of a ligament at a movable joint. [1 mark]
P.7 • The Muscular and Skeletal System
9.
Give the scientific meaning of the term skeleton. [1 mark]
P.7 • The Muscular and Skeletal System
10.
Why is an insect compelled to shed its outer covering periodically during growth? [1 mark]
P.7 • The Muscular and Skeletal System
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 it dangerous to pour highly acidic substances or strong chemical insecticides into a pit latrine? [1 mark]
P.6 • Sanitation
13.
State any one primary sex characteristic in human females. [1 mark]
P.6 • The Reproductive System
14.
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
15.
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
16.
The diagram below shows an animal in the group of invertebrates. (Snail diagram) Name the animal shown. [1 mark]
P.6 • Classification of Animals
17.
How does the Ecosan latrine promote agricultural productivity? [1 mark]
P.6 • Sanitation
18.
Why does prolonged hunger sometimes lead to fainting? [1 mark]
P.6 • Accidents and First Aid
19.
Which part of the human body is affected by Otalgia? [1 mark]
P.6 • Sound Energy
20.
How does chlorine make water safe for drinking? [1 mark]
P.6 • Science at Home and in Our Community
21.
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
22.
Name any one type of latrine. [1 mark]
P.6 • Sanitation
23.
Name the longest and strongest bone found in the human body. [1 mark]
P.7 • The Muscular and Skeletal System
24.
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
25.
State the function of the U-trap in a water closet (flush toilet). [1 mark]
P.6 • Sanitation
26.
How does painting an iron gate prevent it from rusting? [1 mark]
P.5 • Types of Changes in the Environment
27.
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
28.
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
29.
Identify one airborne bacterial disease that affects the human skeleton. [1 mark]
P.7 • The Muscular and Skeletal System
30.
Why is the burning of dry paper classified as a chemical change? [1 mark]
P.5 • Types of Changes in the Environment
31.
Why is an electric fuse constructed using a wire with a low melting point? [1 mark]
P.7 • Electricity
32.
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
33.
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
34.
Name the part of a cow that changes the color when a cow is on heat. [1 mark]
P.6 • Keeping Cattle
35.
Name the part of an insect used for balancing during flight. [1 mark]
P.6 • Classification of Animals
36.
State any two ways in which washing clothes is important to human health. [1 mark]
P.6 • Science at Home and in Our Community
37.
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
38.
State the scientific function of the screen (wire mesh) on top of the vent pipe of a VIP latrine. [1 mark]
P.6 • Sanitation
39.
How is tepid sponging useful to a casualty with high fever? [1 mark]
P.6 • Accidents and First Aid
40.
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
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