PAPER CODE: 532/1
MOCK REF: PLE-526047
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 painting an iron gate prevent it from rusting? [1 mark]
P.5 • Types of Changes in the Environment
2.
State the scientific function of soap in cleaning clothes. [1 mark]
P.6 • Science at Home and in Our Community
3.
Identify one airborne bacterial disease that affects the human skeleton. [1 mark]
P.7 • The Muscular and Skeletal System
4.
Give one reason why copper is the preferred metal for manufacturing electrical conducting cables in domestic installations. [1 mark]
P.7 • Electricity
5.
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)
6.
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
7.
What term refers to the meat obtained from an adult sheep? [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
8.
How does chlorine make water safe for drinking? [1 mark]
P.6 • Science at Home and in Our Community
9.
Name the part of a cow that changes the color when a cow is on heat. [1 mark]
P.6 • Keeping Cattle
10.
Give any two examples of water impurities. [1 mark]
P.6 • Science at Home and in Our Community
11.
Name the part of an insect used for balancing during flight. [1 mark]
P.6 • Classification of Animals
12.
Identify the chemical substance used as a depolarizer in a standard dry Leclanché cell. [1 mark]
P.7 • Electricity
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.
Why is it dangerous to pour highly acidic substances or strong chemical insecticides into a pit latrine? [1 mark]
P.6 • Sanitation
15.
Why is a pregnant mother advised to eat plenty of food rich in iron? [1 mark]
P.5 • Food and Nutrition
16.
Why is an electric fuse constructed using a wire with a low melting point? [1 mark]
P.7 • Electricity
17.
State the biological function of the ciliated cells lining the fallopian tubes. [1 mark]
P.6 • The Reproductive System
18.
In an electric circuit diagram, which instrument is always connected in series to measure electric current? [1 mark]
P.7 • Electricity
19.
Why is a husband and his wife advised to go for treatment together when they contract gonorrhoea? [1 mark]
P.6 • The Reproductive System
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 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
22.
What is the color code of the earth wire in a modern standard three-pin plug? [1 mark]
P.7 • Electricity
23.
Why is it not advisable to burst blisters on a burnt part of the skin? [1 mark]
P.6 • Accidents and First Aid
24.
Name any one type of latrine. [1 mark]
P.6 • Sanitation
25.
State any one function of the diaphragm during the process of breathing. [1 mark]
P.6 • The Respiratory System
26.
State any one danger of bottle feeding to a four-month-old baby. [1 mark]
P.5 • Food and Nutrition
27.
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
28.
State any one way in which fermentation is important in our daily life. [1 mark]
P.6 • Alcohol, Smoking and Drugs
29.
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
30.
Give the scientific meaning of the term skeleton. [1 mark]
P.7 • The Muscular and Skeletal System
31.
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
32.
How is the function of the anthers in a flower similar to that of the testes in a human male? [1 mark]
P.6 • The Reproductive System
33.
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
34.
Name the longest and strongest bone found in the human body. [1 mark]
P.7 • The Muscular and Skeletal System
35.
State the scientific function of the screen on top of the vent pipe of a VIP latrine. [1 mark]
P.6 • Sanitation
36.
State any one advantage of castrating male piglets not intended for breeding. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
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 is tepid sponging useful to a casualty with high fever? [1 mark]
P.6 • Accidents and First Aid
39.
Name the female parent in goat farming. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
40.
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
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