PAPER CODE: 532/1
MOCK REF: PLE-904174
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 function of the U-trap in a water closet (flush toilet). [1 mark]
P.6 • Sanitation
2.
Give any one example of an emotional change in adolescents. [1 mark]
P.6 • The Reproductive System
3.
Give one reason why copper is the preferred metal for manufacturing electrical conducting cables in domestic installations. [1 mark]
P.7 • Electricity
4.
Why is wood ash regularly poured into the pit of a latrine or Ecosan toilet? [1 mark]
P.6 • Sanitation
5.
Why is it not advisable to burst blisters on a burnt part of the skin? [1 mark]
P.6 • Accidents and First Aid
6.
How does boiling make water safe for drinking? [1 mark]
P.6 • Science at Home and in Our Community
7.
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
8.
How does painting an iron gate prevent it from rusting? [1 mark]
P.5 • Types of Changes in the Environment
9.
Give one effect of thick clouds in the atmosphere. [1 mark]
P.4 • Weather Changes Around Us
10.
How does chlorine make water safe for drinking? [1 mark]
P.6 • Science at Home and in Our Community
11.
Give one way of controlling the breeding of houseflies in a homestead. [1 mark]
P.6 • Sanitation
12.
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
13.
Give one safety measure to prevent electric shock in a domestic home. [1 mark]
P.6 • Accidents and First Aid
14.
Give any one health benefit of regular physical exercises to the human body. [1 mark]
P.7 • The Muscular and Skeletal System
15.
State any one importance of evaporation in the environment or daily life. [1 mark]
P.5 • Heat Energy
16.
State the role of anhydrous calcium chloride in the laboratory investigation of rusting. [1 mark]
P.5 • Types of Changes in the Environment
17.
Give any two examples of root tuber crops. [1 mark]
P.5 • Crop Growing
18.
State the biological function of the ciliated cells lining the fallopian tubes. [1 mark]
P.6 • The Reproductive System
19.
State one reproductive similarity between bread moulds (fungi) and ferns (plants). [1 mark]
P.5 • Fungi and Non-Flowering Plants
20.
State the fundamental law of electrostatics concerning like and unlike charges. [1 mark]
P.7 • Electricity
21.
Name any one type of latrine. [1 mark]
P.6 • Sanitation
22.
State any one danger of bottle feeding to a four-month-old baby. [1 mark]
P.5 • Food and Nutrition
23.
Name the part of a cow that changes the color when a cow is on heat. [1 mark]
P.6 • Keeping Cattle
24.
State any one method used to identify individual livestock on a farm. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
25.
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
26.
Give any one function of proteins in the human body. [1 mark]
P.4 • Food and Nutrition
27.
Name any one vaccine-preventable disease in Uganda that affects the liver. [1 mark]
P.5 • Primary Health Care (PHC)
28.
Name the parasitic disease that affects the ears of domestic rabbits. [1 mark]
P.5 • Keeping Rabbits
29.
How does a tortoise protect itself from predators and danger in the environment? [1 mark]
P.5 • Classification of Animals
30.
What is the color code of the earth wire in a modern standard three-pin plug? [1 mark]
P.7 • Electricity
31.
State one way of preventing the spread of Tuberculosis (TB). [1 mark]
P.7 • The Respiratory System
32.
State the function of hooks and suckers on the scolex of a tapeworm. [1 mark]
P.6 • Classification of Animals
33.
What kind of water is recommended for use during tepid sponging, and why should very cold water be avoided? [1 mark]
P.6 • Accidents and First Aid
34.
Why is the burning of dry paper classified as a chemical change? [1 mark]
P.5 • Types of Changes in the Environment
35.
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
36.
State one way in which people can conserve non-renewable energy resources. [1 mark]
P.7 • Energy Resources in the Environment
37.
State one characteristic of essential drugs in Primary Health Care. [1 mark]
P.5 • Primary Health Care (PHC)
38.
State any one function of the diaphragm during the process of breathing. [1 mark]
P.6 • The Respiratory System
39.
Give any one agricultural use of discarded plastic jerrycans or containers in a home. [1 mark]
P.6 • Science at Home and in Our Community
40.
Which part of a mammalian tooth contains blood vessels and nerves? [1 mark]
P.4 • The Teeth
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