PAPER CODE: 532/1
MOCK REF: PLE-902280
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 does sound travel fastest in solids compared to liquids and gases? [1 mark]
P.6 • Sound Energy
2.
State the function of the U-trap in a water closet (flush toilet). [1 mark]
P.6 • Sanitation
3.
Give any one danger of rusting to a school farmer's tools. [1 mark]
P.5 • Types of Changes in the Environment
4.
State one structural adaptation of a coconut fruit for water dispersal. [1 mark]
P.5 • Plant Life
5.
State any one way in which fermentation is important in our daily life. [1 mark]
P.6 • Alcohol, Smoking and Drugs
6.
State one way in which food can get contaminated with disease-causing germs in a home. [1 mark]
P.5 • Food and Nutrition
7.
State one way of preventing the spread of Tuberculosis (TB). [1 mark]
P.7 • The Respiratory System
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.
Why is a husband and his wife advised to go for treatment together when they contract gonorrhoea? [1 mark]
P.6 • The Reproductive System
10.
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)
11.
State one reason why a torch may fail to produce light even when it is switched on. [1 mark]
P.7 • Electricity
12.
Mention any one personal hygiene practice that prevents bad body odour. [1 mark]
P.6 • Personal Hygiene
13.
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
14.
To which phylum of invertebrates do insects, arachnids, and crustaceans belong? [1 mark]
P.6 • Classification of Animals
15.
State one way of increasing the electrical current produced by a bicycle dynamo. [1 mark]
P.7 • Electricity
16.
Why is an insect compelled to shed its outer covering periodically during growth? [1 mark]
P.7 • The Muscular and Skeletal System
17.
Give any two examples of water impurities. [1 mark]
P.6 • Science at Home and in Our Community
18.
State any one danger of cigarette smoking to the human respiratory system. [1 mark]
P.7 • The Respiratory System
19.
Give any one example of an emotional change in adolescents. [1 mark]
P.6 • The Reproductive System
20.
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
21.
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
22.
State the scientific function of soap in cleaning clothes. [1 mark]
P.6 • Science at Home and in Our Community
23.
State one nursery bed management practice done to harden off seedlings before transplanting. [1 mark]
P.5 • Crop Growing
24.
Why is it not advisable to burst blisters on a burnt part of the skin? [1 mark]
P.6 • Accidents and First Aid
25.
Give the scientific meaning of the term skeleton. [1 mark]
P.7 • The Muscular and Skeletal System
26.
Name any one excretory product eliminated by the human lungs. [1 mark]
P.7 • The Excretory System
27.
Name the main natural source of heat and light energy on earth. [1 mark]
P.4 • Energy in the Environment
28.
How is a burn different from a scald? [1 mark]
P.6 • Accidents and First Aid
29.
How does boiling make water safe for drinking? [1 mark]
P.6 • Science at Home and in Our Community
30.
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
31.
Name the insect vector that spreads River Blindness (Onchocerciasis) to humans. [1 mark]
P.4 • Vectors and Diseases
32.
Give one effect of thick clouds in the atmosphere. [1 mark]
P.4 • Weather Changes Around Us
33.
Name the movable joint found between the atlas and axis vertebrae in the neck. [1 mark]
P.7 • The Muscular and Skeletal System
34.
What is Primary Health Care (PHC)? [1 mark]
P.5 • Primary Health Care (PHC)
35.
Which part of a mammalian tooth contains blood vessels and nerves? [1 mark]
P.4 • The Teeth
36.
Name any one element of Primary Health Care (PHC). [1 mark]
P.5 • Primary Health Care (PHC)
37.
State one way in which school children can help their community control the spread of malaria. [1 mark]
P.5 • Control of Malaria
38.
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
39.
State one activity a school Science Club can undertake to combat environmental deforestation. [1 mark]
P.5 • Managing Changes in the Environment
40.
State any one danger of bottle feeding to a four-month-old baby. [1 mark]
P.5 • Food and Nutrition
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