PAPER CODE: 532/1
MOCK REF: PLE-712786
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 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
2.
State any two ways in which washing clothes is important to human health. [1 mark]
P.6 • Science at Home and in Our Community
3.
Identify the chemical substance used as a depolarizer in a standard dry Leclanché cell. [1 mark]
P.7 • Electricity
4.
State the role of anhydrous calcium chloride in the laboratory investigation of rusting. [1 mark]
P.5 • Types of Changes in the Environment
5.
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
6.
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
7.
Which weather condition is most suitable for solar drying harvested crops? [1 mark]
P.4 • Weather Changes Around Us
8.
What is meant by the term balanced diet? [1 mark]
P.5 • Food and Nutrition
9.
To which class of vertebrates do tortoises and chameleons belong? [1 mark]
P.5 • Classification of Animals
10.
How does boiling make water safe for drinking? [1 mark]
P.6 • Science at Home and in Our Community
11.
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
12.
Why is an electric fuse constructed using a wire with a low melting point? [1 mark]
P.7 • Electricity
13.
Give any one example of a dual-purpose or heavy poultry breed. [1 mark]
P.5 • Keeping Poultry and Bees
14.
Name the part of an insect used for balancing during flight. [1 mark]
P.6 • Classification of Animals
15.
Name the part of a cow that changes the color when a cow is on heat. [1 mark]
P.6 • Keeping Cattle
16.
State one way of increasing the electrical current produced by a bicycle dynamo. [1 mark]
P.7 • Electricity
17.
Give one reason why food should be chewed properly before swallowing. [1 mark]
P.5 • The Digestive System
18.
State the function of hooks and suckers on the scolex of a tapeworm. [1 mark]
P.6 • Classification of Animals
19.
Why is an insect compelled to shed its outer covering periodically during growth? [1 mark]
P.7 • The Muscular and Skeletal System
20.
How does eating fresh oranges or lemons help prevent bleeding gums? [1 mark]
P.5 • Food and Nutrition
21.
What is the color code of the earth wire in a modern standard three-pin plug? [1 mark]
P.7 • Electricity
22.
Give any one example of an emotional change in adolescents. [1 mark]
P.6 • The Reproductive System
23.
How does the Ecosan latrine promote agricultural productivity? [1 mark]
P.6 • Sanitation
24.
Why is it dangerous to pour highly acidic substances or strong chemical insecticides into a pit latrine? [1 mark]
P.6 • Sanitation
25.
State one personal hygiene activity done using a nail cutter or razor blade. [1 mark]
P.4 • Personal Hygiene
26.
State the function of the eardrum (tympanic membrane) in the human ear. [1 mark]
P.6 • Sound Energy
27.
State any one element of Primary Health Care. [1 mark]
P.5 • Primary Health Care (PHC)
28.
State the scientific function of soap in cleaning clothes. [1 mark]
P.6 • Science at Home and in Our Community
29.
Why is it not advisable to burst blisters on a burnt part of the skin? [1 mark]
P.6 • Accidents and First Aid
30.
Mention any one personal hygiene practice that prevents bad body odour. [1 mark]
P.6 • Personal Hygiene
31.
State any one difference between an artery and a vein. [1 mark]
P.7 • The Circulatory System
32.
Give any one biological change that takes place in flowering plants. [1 mark]
P.5 • Types of Changes in the Environment
33.
Name the bud found in the leaf axil of a flowering plant. [1 mark]
P.4 • Plant Life
34.
State any one advantage of breast milk over commercial infant formula milk. [1 mark]
P.5 • Food and Nutrition
35.
How does a tortoise protect itself from predators and danger in the environment? [1 mark]
P.5 • Classification of Animals
36.
State the function of hairs (cilia) and mucus inside the human nostrils. [1 mark]
P.7 • The Respiratory System
37.
State one way of preventing accidental drug poisoning in young children at home. [1 mark]
P.6 • Accidents and First Aid
38.
State one method of reducing echoes in large school assembly halls. [1 mark]
P.6 • Sound Energy
39.
How is tepid sponging useful to a casualty with high fever? [1 mark]
P.6 • Accidents and First Aid
40.
Why are goats ear tagged or ear notched on a livestock farm? [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
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