PAPER CODE: 532/1
MOCK REF: PLE-881666
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.
Name the longest and strongest bone found in the human body. [1 mark]
P.7 • The Muscular and Skeletal System
2.
State any one function of the diaphragm during the process of breathing. [1 mark]
P.6 • The Respiratory System
3.
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
4.
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
5.
State the fundamental law of electrostatics concerning like and unlike charges. [1 mark]
P.7 • Electricity
6.
Name any one type of latrine. [1 mark]
P.6 • Sanitation
7.
State the exact part of the female reproductive system where fertilization takes place. [1 mark]
P.6 • The Reproductive System
8.
Which part of the human body is affected by Otalgia? [1 mark]
P.6 • Sound Energy
9.
How is a burn different from a scald? [1 mark]
P.6 • Accidents and First Aid
10.
Name two methods of obtaining clean water for washing at home. [1 mark]
P.6 • Science at Home and in Our Community
11.
State the scientific function of soap in cleaning clothes. [1 mark]
P.6 • Science at Home and in Our Community
12.
Give any one reason why a residential living house should have large windows on opposite walls. [1 mark]
P.5 • Primary Health Care (PHC)
13.
State the role of anhydrous calcium chloride in the laboratory investigation of rusting. [1 mark]
P.5 • Types of Changes in the Environment
14.
Identify the chemical substance used as a depolarizer in a standard dry Leclanché cell. [1 mark]
P.7 • Electricity
15.
State the biological function of the ciliated cells lining the fallopian tubes. [1 mark]
P.6 • The Reproductive System
16.
How does the Ecosan latrine promote agricultural productivity? [1 mark]
P.6 • Sanitation
17.
Why is it dangerous to pour highly acidic substances or strong chemical insecticides into a pit latrine? [1 mark]
P.6 • Sanitation
18.
Why is a husband and his wife advised to go for treatment together when they contract gonorrhoea? [1 mark]
P.6 • The Reproductive System
19.
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
20.
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)
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.
What is Primary Health Care (PHC)? [1 mark]
P.5 • Primary Health Care (PHC)
23.
In an electric circuit diagram, which instrument is always connected in series to measure electric current? [1 mark]
P.7 • Electricity
24.
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
25.
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
26.
How does boiling make water safe for drinking? [1 mark]
P.6 • Science at Home and in Our Community
27.
Why is it not advisable to burst blisters on a burnt part of the skin? [1 mark]
P.6 • Accidents and First Aid
28.
Name the deficiency disease caused by a severe lack of Vitamin C in the diet. [1 mark]
P.5 • Food and Nutrition
29.
State any one advantage of castrating male piglets not intended for breeding. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
30.
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
31.
Why is an insect compelled to shed its outer covering periodically during growth? [1 mark]
P.7 • The Muscular and Skeletal System
32.
State the function of the U-trap in a water closet (flush toilet). [1 mark]
P.6 • Sanitation
33.
The diagram below shows an animal in the group of invertebrates. (Snail diagram) Name the animal shown. [1 mark]
P.6 • Classification of Animals
34.
What is the color code of the earth wire in a modern standard three-pin plug? [1 mark]
P.7 • Electricity
35.
State the function of a ligament at a movable joint. [1 mark]
P.7 • The Muscular and Skeletal System
36.
How does painting an iron gate prevent it from rusting? [1 mark]
P.5 • Types of Changes in the Environment
37.
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
38.
How does chlorine make water safe for drinking? [1 mark]
P.6 • Science at Home and in Our Community
39.
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
40.
Name the part of an insect used for balancing during flight. [1 mark]
P.6 • Classification of Animals
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