PAPER CODE: 532/1
MOCK REF: PLE-612140
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 one way of increasing the electrical current produced by a bicycle dynamo. [1 mark]
P.7 • Electricity
2.
Give any one reason why a residential living house should have large windows on opposite walls. [1 mark]
P.5 • Primary Health Care (PHC)
3.
State the function of the eardrum (tympanic membrane) in the human ear. [1 mark]
P.6 • Sound Energy
4.
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
5.
Why is a pregnant mother advised to eat plenty of food rich in iron? [1 mark]
P.5 • Food and Nutrition
6.
State any one danger of cigarette smoking to the human respiratory system. [1 mark]
P.7 • The Respiratory System
7.
How does the Ecosan latrine promote agricultural productivity? [1 mark]
P.6 • Sanitation
8.
State one characteristic of essential drugs in Primary Health Care. [1 mark]
P.5 • Primary Health Care (PHC)
9.
How does painting an iron gate prevent it from rusting? [1 mark]
P.5 • Types of Changes in the Environment
10.
Give a reason why a hard object (wrapped in a clean cloth) should be put in the mouth of a convulsing victim. [1 mark]
P.6 • Accidents and First Aid
11.
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
12.
Name the part of an insect used for balancing during flight. [1 mark]
P.6 • Classification of Animals
13.
State any one method used to identify individual livestock on a farm. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
14.
Why is a husband and his wife advised to go for treatment together when they contract gonorrhoea? [1 mark]
P.6 • The Reproductive System
15.
State one nursery bed management practice done to harden off seedlings before transplanting. [1 mark]
P.5 • Crop Growing
16.
State one reason why a torch may fail to produce light even when it is switched on. [1 mark]
P.7 • Electricity
17.
Give any one example of a dual-purpose or heavy poultry breed. [1 mark]
P.5 • Keeping Poultry and Bees
18.
State the function of the U-trap in a water closet (flush toilet). [1 mark]
P.6 • Sanitation
19.
Name the type of optical lens that diverges light rays. [1 mark]
P.7 • Light Energy
20.
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
21.
State one activity a school Science Club can undertake to combat environmental deforestation. [1 mark]
P.5 • Managing Changes in the Environment
22.
Name any one vaccine-preventable disease in Uganda that affects the liver. [1 mark]
P.5 • Primary Health Care (PHC)
23.
State one way in which people can conserve non-renewable energy resources. [1 mark]
P.7 • Energy Resources in the Environment
24.
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
25.
Name any one living thing that undergoes moulting in the environment. [1 mark]
P.5 • Types of Changes in the Environment
26.
State the role of anhydrous calcium chloride in the laboratory investigation of rusting. [1 mark]
P.5 • Types of Changes in the Environment
27.
State one way of preventing the spread of Tuberculosis (TB). [1 mark]
P.7 • The Respiratory System
28.
Give the scientific meaning of the term skeleton. [1 mark]
P.7 • The Muscular and Skeletal System
29.
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
30.
Name any one element of Primary Health Care (PHC). [1 mark]
P.5 • Primary Health Care (PHC)
31.
Why is the burning of dry paper classified as a chemical change? [1 mark]
P.5 • Types of Changes in the Environment
32.
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
33.
Give one safety measure to prevent electric shock in a domestic home. [1 mark]
P.6 • Accidents and First Aid
34.
Why does sound travel fastest in solids compared to liquids and gases? [1 mark]
P.6 • Sound Energy
35.
What is the color code of the earth wire in a modern standard three-pin plug? [1 mark]
P.7 • Electricity
36.
State one structural adaptation of a coconut fruit for water dispersal. [1 mark]
P.5 • Plant Life
37.
Name the nutritional deficiency disease caused by a severe lack of Vitamin B1 in the diet. [1 mark]
P.5 • Food and Nutrition
38.
Why are small gaps left between railway rails during track construction? [1 mark]
P.5 • Heat Energy
39.
Give any one biological change that takes place in flowering plants. [1 mark]
P.5 • Types of Changes in the Environment
40.
State the fundamental law of electrostatics concerning like and unlike charges. [1 mark]
P.7 • Electricity
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