PAPER CODE: 532/1
MOCK REF: PLE-284646
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 any one primary sex characteristic in human females. [1 mark]
P.6 • The Reproductive System
2.
How does painting an iron gate prevent it from rusting? [1 mark]
P.5 • Types of Changes in the Environment
3.
How does eating fresh oranges or lemons help prevent bleeding gums? [1 mark]
P.5 • Food and Nutrition
4.
State the scientific function of soap in cleaning clothes. [1 mark]
P.6 • Science at Home and in Our Community
5.
Why is a pregnant mother advised to eat plenty of food rich in iron? [1 mark]
P.5 • Food and Nutrition
6.
Give the scientific meaning of the term skeleton. [1 mark]
P.7 • The Muscular and Skeletal System
7.
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
8.
Name the longest and strongest bone found in the human body. [1 mark]
P.7 • The Muscular and Skeletal System
9.
What is meant by the term balanced diet? [1 mark]
P.5 • Food and Nutrition
10.
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
11.
How is a burn different from a scald? [1 mark]
P.6 • Accidents and First Aid
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.
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
14.
State any one function of the diaphragm during the process of breathing. [1 mark]
P.6 • The Respiratory System
15.
How does the Ecosan latrine promote agricultural productivity? [1 mark]
P.6 • Sanitation
16.
What is Primary Health Care (PHC)? [1 mark]
P.5 • Primary Health Care (PHC)
17.
Give any one danger of rusting to a school farmer's tools. [1 mark]
P.5 • Types of Changes in the Environment
18.
State the biological function of the ciliated cells lining the fallopian tubes. [1 mark]
P.6 • The Reproductive System
19.
State the scientific function of the screen on top of the vent pipe of a VIP latrine. [1 mark]
P.6 • Sanitation
20.
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
21.
Why is it dangerous to pour highly acidic substances or strong chemical insecticides into a pit latrine? [1 mark]
P.6 • Sanitation
22.
State any two ways in which washing clothes is important to human health. [1 mark]
P.6 • Science at Home and in Our Community
23.
Name the deficiency disease caused by a severe lack of Vitamin C in the diet. [1 mark]
P.5 • Food and Nutrition
24.
State the exact part of the female reproductive system where fertilization takes place. [1 mark]
P.6 • The Reproductive System
25.
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
26.
Identify the chemical substance used as a depolarizer in a standard dry Leclanché cell. [1 mark]
P.7 • Electricity
27.
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)
28.
Give any one reason why veterinary doctors advise farmers NEVER to open the carcass of an animal suspected to have died of Anthrax. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
29.
Give one reason why copper is the preferred metal for manufacturing electrical conducting cables in domestic installations. [1 mark]
P.7 • Electricity
30.
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
31.
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
32.
How is tepid sponging useful to a casualty with high fever? [1 mark]
P.6 • Accidents and First Aid
33.
State the scientific function of the screen (wire mesh) on top of the vent pipe of a VIP latrine. [1 mark]
P.6 • Sanitation
34.
Which part of the human body is affected by Otalgia? [1 mark]
P.6 • Sound Energy
35.
Name any one type of latrine. [1 mark]
P.6 • Sanitation
36.
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
37.
Why is an electric fuse constructed using a wire with a low melting point? [1 mark]
P.7 • Electricity
38.
State the fundamental law of electrostatics concerning like and unlike charges. [1 mark]
P.7 • Electricity
39.
Identify one airborne bacterial disease that affects the human skeleton. [1 mark]
P.7 • The Muscular and Skeletal System
40.
State any one advantage of castrating male piglets not intended for breeding. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
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