PAPER CODE: 532/1
MOCK REF: PLE-231732
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.
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
2.
Give the scientific meaning of the term skeleton. [1 mark]
P.7 • The Muscular and Skeletal System
3.
Why is a pregnant mother advised to eat plenty of food rich in iron? [1 mark]
P.5 • Food and Nutrition
4.
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
5.
State the scientific function of soap in cleaning clothes. [1 mark]
P.6 • Science at Home and in Our Community
6.
How is a burn different from a scald? [1 mark]
P.6 • Accidents and First Aid
7.
What scientific term describes the direct change of a solid into a gas without melting into a liquid? [1 mark]
P.5 • Types of Changes in the Environment
8.
In which method of making water clean do you first allow the impurities to settle at the bottom of a container? [1 mark]
P.6 • Science at Home and in Our Community
9.
How is the function of the anthers in a flower similar to that of the testes in a human male? [1 mark]
P.6 • The Reproductive System
10.
State any two ways in which washing clothes is important to human health. [1 mark]
P.6 • Science at Home and in Our Community
11.
Name two methods of obtaining clean water for washing at home. [1 mark]
P.6 • Science at Home and in Our Community
12.
State any one function of the diaphragm during the process of breathing. [1 mark]
P.6 • The Respiratory System
13.
State the exact part of the female reproductive system where fertilization takes place. [1 mark]
P.6 • The Reproductive System
14.
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
15.
Why is a husband and his wife advised to go for treatment together when they contract gonorrhoea? [1 mark]
P.6 • The Reproductive System
16.
The diagram below shows an animal in the group of invertebrates. (Snail diagram) Name the animal shown. [1 mark]
P.6 • Classification of Animals
17.
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)
18.
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
19.
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)
20.
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
21.
Identify the chemical substance used as a depolarizer in a standard dry Leclanché cell. [1 mark]
P.7 • Electricity
22.
How is tepid sponging useful to a casualty with high fever? [1 mark]
P.6 • Accidents and First Aid
23.
State any one element of Primary Health Care. [1 mark]
P.5 • Primary Health Care (PHC)
24.
How does chlorine make water safe for drinking? [1 mark]
P.6 • Science at Home and in Our Community
25.
How does painting an iron gate prevent it from rusting? [1 mark]
P.5 • Types of Changes in the Environment
26.
How does boiling make water safe for drinking? [1 mark]
P.6 • Science at Home and in Our Community
27.
State any one danger of bottle feeding to a four-month-old baby. [1 mark]
P.5 • Food and Nutrition
28.
Give one reason why copper is the preferred metal for manufacturing electrical conducting cables in domestic installations. [1 mark]
P.7 • Electricity
29.
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
30.
State any one primary sex characteristic in human females. [1 mark]
P.6 • The Reproductive System
31.
State any one advantage of breast milk over commercial infant formula milk. [1 mark]
P.5 • Food and Nutrition
32.
State the function of the U-trap in a water closet (flush toilet). [1 mark]
P.6 • Sanitation
33.
What is the color code of the earth wire in a modern standard three-pin plug? [1 mark]
P.7 • Electricity
34.
Which part of the human body is affected by Otalgia? [1 mark]
P.6 • Sound Energy
35.
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
36.
State the role of anhydrous calcium chloride in the laboratory investigation of rusting. [1 mark]
P.5 • Types of Changes in the Environment
37.
Give any two examples of water impurities. [1 mark]
P.6 • Science at Home and in Our Community
38.
Give any one example of an emotional change in adolescents. [1 mark]
P.6 • The Reproductive System
39.
Name the part of an insect used for balancing during flight. [1 mark]
P.6 • Classification of Animals
40.
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
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