PAPER CODE: 532/1
MOCK REF: PLE-223144
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.
How does a tortoise protect itself from predators and danger in the environment? [1 mark]
P.5 • Classification of Animals
2.
What is meant by the term balanced diet? [1 mark]
P.5 • Food and Nutrition
3.
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)
4.
Which weather condition is most suitable for solar drying harvested crops? [1 mark]
P.4 • Weather Changes Around Us
5.
Give one road safety practice for pedestrians crossing a busy road. [1 mark]
P.6 • Accidents and First Aid
6.
State the scientific function of the screen (wire mesh) on top of the vent pipe of a VIP latrine. [1 mark]
P.6 • Sanitation
7.
Which part of the human body is affected by Otalgia? [1 mark]
P.6 • Sound Energy
8.
State the role of anhydrous calcium chloride in the laboratory investigation of rusting. [1 mark]
P.5 • Types of Changes in the Environment
9.
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
10.
Give one way of controlling the breeding of houseflies in a homestead. [1 mark]
P.6 • Sanitation
11.
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
12.
Give one safety measure to prevent electric shock in a domestic home. [1 mark]
P.6 • Accidents and First Aid
13.
State one structural adaptation of a coconut fruit for water dispersal. [1 mark]
P.5 • Plant Life
14.
State the difference between sand soil and clay soil in terms of particle size. [1 mark]
P.4 • Soil
15.
How does eating fresh oranges or lemons help prevent bleeding gums? [1 mark]
P.5 • Food and Nutrition
16.
Why is wood ash regularly poured into the pit of a latrine or Ecosan toilet? [1 mark]
P.6 • Sanitation
17.
How is a burn different from a scald? [1 mark]
P.6 • Accidents and First Aid
18.
State the scientific function of the screen on top of the vent pipe of a VIP latrine. [1 mark]
P.6 • Sanitation
19.
How does painting an iron gate prevent it from rusting? [1 mark]
P.5 • Types of Changes in the Environment
20.
State any one factor to consider when selecting a suitable site for an apiary. [1 mark]
P.5 • Keeping Poultry and Bees
21.
State any one danger of cigarette smoking to the human respiratory system. [1 mark]
P.7 • The Respiratory System
22.
To which class of vertebrates do tortoises and chameleons belong? [1 mark]
P.5 • Classification of Animals
23.
Why is the burning of dry paper classified as a chemical change? [1 mark]
P.5 • Types of Changes in the Environment
24.
What is meant by non-renewable energy resources? [1 mark]
P.7 • Energy Resources in the Environment
25.
Why is an electric fuse constructed using a wire with a low melting point? [1 mark]
P.7 • Electricity
26.
State one reason why alcohol is preferred to mercury in minimum thermometers. [1 mark]
P.5 • Heat Energy
27.
Name any one vital organ protected by the human rib cage. [1 mark]
P.7 • The Muscular and Skeletal System
28.
State one nursery bed management practice done to harden off seedlings before transplanting. [1 mark]
P.5 • Crop Growing
29.
Give any one biological change that takes place in flowering plants. [1 mark]
P.5 • Types of Changes in the Environment
30.
State one reason why a torch may fail to produce light even when it is switched on. [1 mark]
P.7 • Electricity
31.
State one way in which school children can help their community control the spread of malaria. [1 mark]
P.5 • Control of Malaria
32.
State one method of reducing echoes in large school assembly halls. [1 mark]
P.6 • Sound Energy
33.
Which part of a mammalian tooth contains blood vessels and nerves? [1 mark]
P.4 • The Teeth
34.
State any one importance of evaporation in the environment or daily life. [1 mark]
P.5 • Heat Energy
35.
State one benefit of warming-up exercises to muscles before strenuous physical activities. [1 mark]
P.7 • The Muscular and Skeletal System
36.
Name the structure on the head of a tapeworm used for attachment to the intestinal wall. [1 mark]
P.6 • Classification of Animals
37.
Give one reason why a person who has fainted should be placed in a cool, open, and well-ventilated space. [1 mark]
P.6 • Accidents and First Aid
38.
Name the organ in the human body responsible for thinking, intelligence, and memory. [1 mark]
P.7 • The Nervous System
39.
Why is the drop hole of a VIP latrine left open without a lid at all times? [1 mark]
P.6 • Sanitation
40.
In an electric circuit diagram, which instrument is always connected in series to measure electric current? [1 mark]
P.7 • Electricity
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