PAPER CODE: 532/1
MOCK REF: PLE-572273
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 scientific function of the screen on top of the vent pipe of a VIP latrine. [1 mark]
P.6 • Sanitation
2.
State any one advantage of breast milk over commercial infant formula milk. [1 mark]
P.5 • Food and Nutrition
3.
Why does prolonged hunger sometimes lead to fainting? [1 mark]
P.6 • Accidents and First Aid
4.
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
5.
Give any one reason why veterinary doctors advise farmers NEVER to open the carcass of an animal suspected to have died of Anthrax. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
6.
What is Primary Health Care (PHC)? [1 mark]
P.5 • Primary Health Care (PHC)
7.
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
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 does boiling make water safe for drinking? [1 mark]
P.6 • Science at Home and in Our Community
10.
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
11.
What is the color code of the earth wire in a modern standard three-pin plug? [1 mark]
P.7 • Electricity
12.
State the role of anhydrous calcium chloride in the laboratory investigation of rusting. [1 mark]
P.5 • Types of Changes in the Environment
13.
Why is the burning of dry paper classified as a chemical change? [1 mark]
P.5 • Types of Changes in the Environment
14.
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
15.
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
16.
Name the community health workers who act as a frontline bridge between the village and health centres in Uganda. [1 mark]
P.5 • Primary Health Care (PHC)
17.
The diagram below shows an animal in the group of invertebrates. (Snail diagram) Name the animal shown. [1 mark]
P.6 • Classification of Animals
18.
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)
19.
State any one way in which fermentation is important in our daily life. [1 mark]
P.6 • Alcohol, Smoking and Drugs
20.
Name the deficiency disease caused by a severe lack of Vitamin C in the diet. [1 mark]
P.5 • Food and Nutrition
21.
Give the scientific meaning of the term skeleton. [1 mark]
P.7 • The Muscular and Skeletal System
22.
State the fundamental law of electrostatics concerning like and unlike charges. [1 mark]
P.7 • Electricity
23.
Name any one type of latrine. [1 mark]
P.6 • Sanitation
24.
Name the longest and strongest bone found in the human body. [1 mark]
P.7 • The Muscular and Skeletal System
25.
Why is it not advisable to give a convulsing or fainted person food to eat or water to drink? [1 mark]
P.6 • Accidents and First Aid
26.
State any two ways in which washing clothes is important to human health. [1 mark]
P.6 • Science at Home and in Our Community
27.
Why is a husband and his wife advised to go for treatment together when they contract gonorrhoea? [1 mark]
P.6 • The Reproductive System
28.
State any one danger of bottle feeding to a four-month-old baby. [1 mark]
P.5 • Food and Nutrition
29.
How does chlorine make water safe for drinking? [1 mark]
P.6 • Science at Home and in Our Community
30.
Name the part of an insect used for balancing during flight. [1 mark]
P.6 • Classification of Animals
31.
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
32.
Why is it dangerous to pour highly acidic substances or strong chemical insecticides into a pit latrine? [1 mark]
P.6 • Sanitation
33.
Why is an insect compelled to shed its outer covering periodically during growth? [1 mark]
P.7 • The Muscular and Skeletal System
34.
State the function of a ligament at a movable joint. [1 mark]
P.7 • The Muscular and Skeletal System
35.
State the scientific function of soap in cleaning clothes. [1 mark]
P.6 • Science at Home and in Our Community
36.
State the exact part of the female reproductive system where fertilization takes place. [1 mark]
P.6 • The Reproductive System
37.
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)
38.
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
39.
Give any one reason why a residential living house should have large windows on opposite walls. [1 mark]
P.5 • Primary Health Care (PHC)
40.
Why is a pregnant mother advised to eat plenty of food rich in iron? [1 mark]
P.5 • Food and Nutrition
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