PAPER CODE: 532/1
MOCK REF: PLE-152951
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.
To which class of vertebrates do tortoises and chameleons belong? [1 mark]
P.5 • Classification of Animals
2.
Give one safety measure to prevent electric shock in a domestic home. [1 mark]
P.6 • Accidents and First Aid
3.
Name the part of a cow that changes the color when a cow is on heat. [1 mark]
P.6 • Keeping Cattle
4.
How does a tortoise protect itself from predators and danger in the environment? [1 mark]
P.5 • Classification of Animals
5.
State the role of anhydrous calcium chloride in the laboratory investigation of rusting. [1 mark]
P.5 • Types of Changes in the Environment
6.
State any one factor to consider when selecting a suitable site for an apiary. [1 mark]
P.5 • Keeping Poultry and Bees
7.
Name the part of an insect used for balancing during flight. [1 mark]
P.6 • Classification of Animals
8.
Give any one agricultural use of discarded plastic jerrycans or containers in a home. [1 mark]
P.6 • Science at Home and in Our Community
9.
Why does sound travel fastest in solids compared to liquids and gases? [1 mark]
P.6 • Sound Energy
10.
State any one function of the diaphragm during the process of breathing. [1 mark]
P.6 • The Respiratory System
11.
Identify the chemical substance used as a depolarizer in a standard dry Leclanché cell. [1 mark]
P.7 • Electricity
12.
State the fundamental law of electrostatics concerning like and unlike charges. [1 mark]
P.7 • Electricity
13.
How does eating fresh oranges or lemons help prevent bleeding gums? [1 mark]
P.5 • Food and Nutrition
14.
Name the female parent in goat farming. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
15.
State any one danger of cigarette smoking to the human respiratory system. [1 mark]
P.7 • The Respiratory System
16.
Why does the water level in a measuring cylinder rise when a stone is completely immersed in it? [1 mark]
P.5 • Matter and Energy
17.
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
18.
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)
19.
Which part of the human body is affected by Otalgia? [1 mark]
P.6 • Sound Energy
20.
State any one danger of bottle feeding to a four-month-old baby. [1 mark]
P.5 • Food and Nutrition
21.
Why are small gaps left between railway rails during track construction? [1 mark]
P.5 • Heat Energy
22.
Name any one vaccine-preventable disease in Uganda that affects the liver. [1 mark]
P.5 • Primary Health Care (PHC)
23.
During which type of weather does water evaporate fastest from open surfaces? [1 mark]
P.4 • Weather Changes Around Us
24.
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
25.
State any one difference between an artery and a vein. [1 mark]
P.7 • The Circulatory System
26.
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
27.
How is tepid sponging useful to a casualty with high fever? [1 mark]
P.6 • Accidents and First Aid
28.
Give one reason why food should be chewed properly before swallowing. [1 mark]
P.5 • The Digestive System
29.
Name the bud found in the leaf axil of a flowering plant. [1 mark]
P.4 • Plant Life
30.
Give any one function of proteins in the human body. [1 mark]
P.4 • Food and Nutrition
31.
Why is a husband and his wife advised to go for treatment together when they contract gonorrhoea? [1 mark]
P.6 • The Reproductive System
32.
How does painting an iron gate prevent it from rusting? [1 mark]
P.5 • Types of Changes in the Environment
33.
Give any two examples of root tuber crops. [1 mark]
P.5 • Crop Growing
34.
State one reproductive similarity between bread moulds (fungi) and ferns (plants). [1 mark]
P.5 • Fungi and Non-Flowering Plants
35.
Give any two examples of water impurities. [1 mark]
P.6 • Science at Home and in Our Community
36.
Why is the chin lifted backwards when giving First Aid to an unconscious casualty? [1 mark]
P.6 • Accidents and First Aid
37.
State the scientific function of the screen (wire mesh) on top of the vent pipe of a VIP latrine. [1 mark]
P.6 • Sanitation
38.
How does boiling make water safe for drinking? [1 mark]
P.6 • Science at Home and in Our Community
39.
State any one advantage of breast milk over commercial infant formula milk. [1 mark]
P.5 • Food and Nutrition
40.
Give any one reason why a residential living house should have large windows on opposite walls. [1 mark]
P.5 • Primary Health Care (PHC)
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