PAPER CODE: 532/1
MOCK REF: PLE-178935
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.
Give one reason why copper is the preferred metal for manufacturing electrical conducting cables in domestic installations. [1 mark]
P.7 • Electricity
2.
To which class of vertebrates do snakes and lizards belong? [1 mark]
P.5 • Classification of Animals
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.
Why are small gaps left between railway rails during track construction? [1 mark]
P.5 • Heat Energy
5.
State the exact part of the female reproductive system where fertilization takes place. [1 mark]
P.6 • The Reproductive System
6.
How does a tortoise protect itself from predators and danger in the environment? [1 mark]
P.5 • Classification of Animals
7.
Name the insect vector that spreads River Blindness (Onchocerciasis) to humans. [1 mark]
P.4 • Vectors and Diseases
8.
Name any one type of latrine. [1 mark]
P.6 • Sanitation
9.
Give one effect of thick clouds in the atmosphere. [1 mark]
P.4 • Weather Changes Around Us
10.
During which type of weather does water evaporate fastest from open surfaces? [1 mark]
P.4 • Weather Changes Around Us
11.
State the role of anhydrous calcium chloride in the laboratory investigation of rusting. [1 mark]
P.5 • Types of Changes in the Environment
12.
Name any one element of Primary Health Care (PHC). [1 mark]
P.5 • Primary Health Care (PHC)
13.
Give any one example of a dual-purpose or heavy poultry breed. [1 mark]
P.5 • Keeping Poultry and Bees
14.
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
15.
Why is it not advisable to burst blisters on a burnt part of the skin? [1 mark]
P.6 • Accidents and First Aid
16.
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
17.
Name the longest and strongest bone found in the human body. [1 mark]
P.7 • The Muscular and Skeletal System
18.
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
19.
Name the deficiency disease caused by a severe lack of Vitamin C in the diet. [1 mark]
P.5 • Food and Nutrition
20.
State any one advantage of breast milk over commercial infant formula milk. [1 mark]
P.5 • Food and Nutrition
21.
Why is an insect compelled to shed its outer covering periodically during growth? [1 mark]
P.7 • The Muscular and Skeletal System
22.
Why does sound travel fastest in solids compared to liquids and gases? [1 mark]
P.6 • Sound Energy
23.
How is tepid sponging useful to a casualty with high fever? [1 mark]
P.6 • Accidents and First Aid
24.
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
25.
State one way of increasing the electrical current produced by a bicycle dynamo. [1 mark]
P.7 • Electricity
26.
Name the movable joint found between the atlas and axis vertebrae in the neck. [1 mark]
P.7 • The Muscular and Skeletal System
27.
Name the type of optical lens that diverges light rays. [1 mark]
P.7 • Light Energy
28.
State one method of reducing echoes in large school assembly halls. [1 mark]
P.6 • Sound Energy
29.
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
30.
State one way PIASCY messages help primary school pupils prevent HIV/AIDS infection. [1 mark]
P.6 • The Reproductive System
31.
What is the color code of the earth wire in a modern standard three-pin plug? [1 mark]
P.7 • Electricity
32.
What happens when cooking oil is poured onto water in a glass? [1 mark]
P.5 • Matter and Energy
33.
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
34.
State any one danger of bottle feeding to a four-month-old baby. [1 mark]
P.5 • Food and Nutrition
35.
Why is wood ash regularly poured into the pit of a latrine or Ecosan toilet? [1 mark]
P.6 • Sanitation
36.
State any one factor to consider when selecting a suitable site for an apiary. [1 mark]
P.5 • Keeping Poultry and Bees
37.
What scientific term is given to materials that allow light to pass through them completely? [1 mark]
P.7 • Light Energy
38.
State any two ways in which washing clothes is important to human health. [1 mark]
P.6 • Science at Home and in Our Community
39.
Give one road safety practice for pedestrians crossing a busy road. [1 mark]
P.6 • Accidents and First Aid
40.
Identify the chemical substance used as a depolarizer in a standard dry Leclanché cell. [1 mark]
P.7 • Electricity
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