PAPER CODE: 532/1
MOCK REF: PLE-846227
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 main natural source of heat and light energy on earth. [1 mark]
P.4 • Energy in the Environment
2.
Give one effect of thick clouds in the atmosphere. [1 mark]
P.4 • Weather Changes Around Us
3.
Name the movable joint found between the atlas and axis vertebrae in the neck. [1 mark]
P.7 • The Muscular and Skeletal System
4.
What happens when cooking oil is poured onto water in a glass? [1 mark]
P.5 • Matter and Energy
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.
Name any one vaccine-preventable disease in Uganda that affects the liver. [1 mark]
P.5 • Primary Health Care (PHC)
7.
State one way in which food can get contaminated with disease-causing germs in a home. [1 mark]
P.5 • Food and Nutrition
8.
State the function of the U-trap in a water closet (flush toilet). [1 mark]
P.6 • Sanitation
9.
Why is an electric fuse constructed using a wire with a low melting point? [1 mark]
P.7 • Electricity
10.
State the difference between sand soil and clay soil in terms of particle size. [1 mark]
P.4 • Soil
11.
Name any one type of latrine. [1 mark]
P.6 • Sanitation
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.
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
14.
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)
15.
How can a person doing laundry prevent colored clothes from staining white clothes? [1 mark]
P.6 • Science at Home and in Our Community
16.
Why should a farmer select healthy and viable seeds before planting? [1 mark]
P.5 • Crop Growing
17.
Give any one example of a dual-purpose or heavy poultry breed. [1 mark]
P.5 • Keeping Poultry and Bees
18.
Why is the burning of dry paper classified as a chemical change? [1 mark]
P.5 • Types of Changes in the Environment
19.
State any one method used to identify individual livestock on a farm. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
20.
Name the part of a cow that changes the color when a cow is on heat. [1 mark]
P.6 • Keeping Cattle
21.
Why is the chin lifted backwards when giving First Aid to an unconscious casualty? [1 mark]
P.6 • Accidents and First Aid
22.
Why is a tapeworm classified as an endoparasite? [1 mark]
P.6 • Classification of Animals
23.
Name the organ in the human body responsible for thinking, intelligence, and memory. [1 mark]
P.7 • The Nervous System
24.
Give one use of a pair of scissors or razor blade in hair grooming. [1 mark]
P.4 • Personal Hygiene
25.
State the function of a ligament at a movable joint. [1 mark]
P.7 • The Muscular and Skeletal System
26.
State one characteristic of essential drugs in Primary Health Care. [1 mark]
P.5 • Primary Health Care (PHC)
27.
How does a tortoise protect itself from predators and danger in the environment? [1 mark]
P.5 • Classification of Animals
28.
Give any one biological change that takes place in flowering plants. [1 mark]
P.5 • Types of Changes in the Environment
29.
How is tepid sponging useful to a casualty with high fever? [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 one activity a school Science Club can undertake to combat environmental deforestation. [1 mark]
P.5 • Managing Changes in the Environment
32.
State one method of reducing echoes in large school assembly halls. [1 mark]
P.6 • Sound Energy
33.
Why does prolonged hunger sometimes lead to fainting? [1 mark]
P.6 • Accidents and First Aid
34.
Name any one living thing that undergoes moulting in the environment. [1 mark]
P.5 • Types of Changes in the Environment
35.
What is Primary Health Care (PHC)? [1 mark]
P.5 • Primary Health Care (PHC)
36.
What is the color code of the earth wire in a modern standard three-pin plug? [1 mark]
P.7 • Electricity
37.
State one reason why a torch may fail to produce light even when it is switched on. [1 mark]
P.7 • Electricity
38.
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
39.
Name the deficiency disease caused by a severe lack of Vitamin C in the diet. [1 mark]
P.5 • Food and Nutrition
40.
Give one road safety practice for pedestrians crossing a busy road. [1 mark]
P.6 • Accidents and First Aid
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