PAPER CODE: 532/1
MOCK REF: PLE-744592
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 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)
2.
To which class of vertebrates do snakes and lizards belong? [1 mark]
P.5 • Classification of Animals
3.
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
4.
State any one method used to identify individual livestock on a farm. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
5.
State one reason why alcohol is preferred to mercury in minimum thermometers. [1 mark]
P.5 • Heat Energy
6.
How does chlorine make water safe for drinking? [1 mark]
P.6 • Science at Home and in Our Community
7.
State the scientific function of the screen (wire mesh) on top of the vent pipe of a VIP latrine. [1 mark]
P.6 • Sanitation
8.
State any one importance of evaporation in the environment or daily life. [1 mark]
P.5 • Heat Energy
9.
During which type of weather does water evaporate fastest from open surfaces? [1 mark]
P.4 • Weather Changes Around Us
10.
State the scientific function of the screen on top of the vent pipe of a VIP latrine. [1 mark]
P.6 • Sanitation
11.
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)
12.
Why is an electric fuse constructed using a wire with a low melting point? [1 mark]
P.7 • Electricity
13.
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)
14.
Name the longest and strongest bone found in the human body. [1 mark]
P.7 • The Muscular and Skeletal System
15.
Name the bud found in the leaf axil of a flowering plant. [1 mark]
P.4 • Plant Life
16.
State one reason why a torch may fail to produce light even when it is switched on. [1 mark]
P.7 • Electricity
17.
State any one difference between an artery and a vein. [1 mark]
P.7 • The Circulatory System
18.
Give the scientific meaning of the term skeleton. [1 mark]
P.7 • The Muscular and Skeletal System
19.
State the scientific function of soap in cleaning clothes. [1 mark]
P.6 • Science at Home and in Our Community
20.
Name the nutritional deficiency disease caused by a severe lack of Vitamin B1 in the diet. [1 mark]
P.5 • Food and Nutrition
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.
How is a burn different from a scald? [1 mark]
P.6 • Accidents and First Aid
23.
State the fundamental law of electrostatics concerning like and unlike charges. [1 mark]
P.7 • Electricity
24.
Give one effect of thick clouds in the atmosphere. [1 mark]
P.4 • Weather Changes Around Us
25.
How can a person doing laundry prevent colored clothes from staining white clothes? [1 mark]
P.6 • Science at Home and in Our Community
26.
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
27.
To which class of vertebrates do tortoises and chameleons belong? [1 mark]
P.5 • Classification of Animals
28.
Why is wood ash regularly poured into the pit of a latrine or Ecosan toilet? [1 mark]
P.6 • Sanitation
29.
Mention any one personal hygiene practice that prevents bad body odour. [1 mark]
P.6 • Personal Hygiene
30.
What is the color code of the earth wire in a modern standard three-pin plug? [1 mark]
P.7 • Electricity
31.
How is tepid sponging useful to a casualty with high fever? [1 mark]
P.6 • Accidents and First Aid
32.
Why is the chin lifted backwards when giving First Aid to an unconscious casualty? [1 mark]
P.6 • Accidents and First Aid
33.
Give any two examples of water impurities. [1 mark]
P.6 • Science at Home and in Our Community
34.
What is Primary Health Care (PHC)? [1 mark]
P.5 • Primary Health Care (PHC)
35.
State one reproductive similarity between bread moulds (fungi) and ferns (plants). [1 mark]
P.5 • Fungi and Non-Flowering Plants
36.
Name the female parent in goat farming. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
37.
Why does sound travel fastest in solids compared to liquids and gases? [1 mark]
P.6 • Sound Energy
38.
Identify the chemical substance used as a depolarizer in a standard dry Leclanché cell. [1 mark]
P.7 • Electricity
39.
Why is it dangerous to pour highly acidic substances or strong chemical insecticides into a pit latrine? [1 mark]
P.6 • Sanitation
40.
Give any one function of proteins in the human body. [1 mark]
P.4 • Food and Nutrition
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