PAPER CODE: 532/1
MOCK REF: PLE-449952
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.
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)
2.
What is meant by the term annual crops? [1 mark]
P.5 • Crop Growing
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.
State one reason why a torch may fail to produce light even when it is switched on. [1 mark]
P.7 • Electricity
5.
What is meant by the term balanced diet? [1 mark]
P.5 • Food and Nutrition
6.
Give any one health benefit of regular physical exercises to the human body. [1 mark]
P.7 • The Muscular and Skeletal System
7.
Name the main natural source of heat and light energy on earth. [1 mark]
P.4 • Energy in the Environment
8.
How does chlorine make water safe for drinking? [1 mark]
P.6 • Science at Home and in Our Community
9.
Give any two examples of water impurities. [1 mark]
P.6 • Science at Home and in Our Community
10.
Name the bud found in the leaf axil of a flowering plant. [1 mark]
P.4 • Plant Life
11.
State the function of hairs (cilia) and mucus inside the human nostrils. [1 mark]
P.7 • The Respiratory System
12.
Give one road safety practice for pedestrians crossing a busy road. [1 mark]
P.6 • Accidents and First Aid
13.
Mention any one personal hygiene practice that prevents bad body odour. [1 mark]
P.6 • Personal Hygiene
14.
Name the deficiency disease caused by a severe lack of Vitamin C in the diet. [1 mark]
P.5 • Food and Nutrition
15.
Give any one reason why a residential living house should have large windows on opposite walls. [1 mark]
P.5 • Primary Health Care (PHC)
16.
Name the movable joint found between the atlas and axis vertebrae in the neck. [1 mark]
P.7 • The Muscular and Skeletal System
17.
Which part of a mammalian tooth contains blood vessels and nerves? [1 mark]
P.4 • The Teeth
18.
To which class of vertebrates do tortoises and chameleons belong? [1 mark]
P.5 • Classification of Animals
19.
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
20.
State any one danger of hanging colored clothes under direct sunshine for a long time to dry. [1 mark]
P.6 • Science at Home and in Our Community
21.
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
22.
Which weather condition is most suitable for solar drying harvested crops? [1 mark]
P.4 • Weather Changes Around Us
23.
Give the scientific meaning of the term skeleton. [1 mark]
P.7 • The Muscular and Skeletal System
24.
State any two ways in which washing clothes is important to human health. [1 mark]
P.6 • Science at Home and in Our Community
25.
State the biological function of the ciliated cells lining the fallopian tubes. [1 mark]
P.6 • The Reproductive System
26.
Name any one living thing that undergoes moulting in the environment. [1 mark]
P.5 • Types of Changes in the Environment
27.
State the structural adaptation of incisor teeth to their function. [1 mark]
P.4 • The Teeth
28.
Why is an insect compelled to shed its outer covering periodically during growth? [1 mark]
P.7 • The Muscular and Skeletal System
29.
What is the color code of the earth wire in a modern standard three-pin plug? [1 mark]
P.7 • Electricity
30.
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
31.
State one method of reducing echoes in large school assembly halls. [1 mark]
P.6 • Sound Energy
32.
Name two methods of obtaining clean water for washing at home. [1 mark]
P.6 • Science at Home and in Our Community
33.
Give any one biological change that takes place in flowering plants. [1 mark]
P.5 • Types of Changes in the Environment
34.
State one way in which food can get contaminated with disease-causing germs in a home. [1 mark]
P.5 • Food and Nutrition
35.
Give any one danger of rusting to a school farmer's tools. [1 mark]
P.5 • Types of Changes in the Environment
36.
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
37.
State one structural adaptation of a coconut fruit for water dispersal. [1 mark]
P.5 • Plant Life
38.
How is tepid sponging useful to a casualty with high fever? [1 mark]
P.6 • Accidents and First Aid
39.
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
40.
State one way PIASCY messages help primary school pupils prevent HIV/AIDS infection. [1 mark]
P.6 • The Reproductive System
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