PAPER CODE: 532/1
MOCK REF: PLE-239939
Uganda National Examinations Board
Primary Leaving Examination (Standard Science Mock)
INTEGRATED SCIENCE
TIME: 2h 15m
MARKS: 65
★ CANDIDATE QUESTION PAPER ★
Instructions to Candidates:
- This paper consists of two sections: Section A and Section B.
- Section A has 25 questions (25 marks). Section B has 10 questions (40 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 25) — 25 Marks
1 Mark eachQuestion 1 to 25 carry one mark each. Answer all questions in the spaces provided.
1.
Give one way of controlling the breeding of houseflies in a homestead. [1 mark]
P.6 • Sanitation
2.
Give one road safety practice for pedestrians crossing a busy road. [1 mark]
P.6 • Accidents and First Aid
3.
Why are goats ear tagged or ear notched on a livestock farm? [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
4.
Why is an electric fuse constructed using a wire with a low melting point? [1 mark]
P.7 • Electricity
5.
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
6.
Which part of a mammalian tooth contains blood vessels and nerves? [1 mark]
P.4 • The Teeth
7.
How is a burn different from a scald? [1 mark]
P.6 • Accidents and First Aid
8.
Why does prolonged hunger sometimes lead to fainting? [1 mark]
P.6 • Accidents and First Aid
9.
Why is it dangerous to pour highly acidic substances or strong chemical insecticides into a pit latrine? [1 mark]
P.6 • Sanitation
10.
State one way in which people can conserve non-renewable energy resources. [1 mark]
P.7 • Energy Resources in the Environment
11.
What is Primary Health Care (PHC)? [1 mark]
P.5 • Primary Health Care (PHC)
12.
How does painting an iron gate prevent it from rusting? [1 mark]
P.5 • Types of Changes in the Environment
13.
Name the longest and strongest bone found in the human body. [1 mark]
P.7 • The Muscular and Skeletal System
14.
State one personal hygiene activity done using a nail cutter or razor blade. [1 mark]
P.4 • Personal Hygiene
15.
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
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.
Give any two examples of water impurities. [1 mark]
P.6 • Science at Home and in Our Community
18.
Name the bud found in the leaf axil of a flowering plant. [1 mark]
P.4 • Plant Life
19.
Name the nutritional deficiency disease caused by a severe lack of Vitamin B1 in the diet. [1 mark]
P.5 • Food and Nutrition
20.
What is the color code of the earth wire in a modern standard three-pin plug? [1 mark]
P.7 • Electricity
21.
State one structural adaptation of a coconut fruit for water dispersal. [1 mark]
P.5 • Plant Life
22.
State one way in which food can get contaminated with disease-causing germs in a home. [1 mark]
P.5 • Food and Nutrition
23.
Why is a husband and his wife advised to go for treatment together when they contract gonorrhoea? [1 mark]
P.6 • The Reproductive System
24.
Name any one vital organ protected by the human rib cage. [1 mark]
P.7 • The Muscular and Skeletal System
25.
State one way in which school children can help their community control the spread of malaria. [1 mark]
P.5 • Control of Malaria
Section B: (Questions 26 to 35) — 40 Marks
4 Marks eachQuestion 26 to 35 carry four marks each. All answers must be written in the spaces provided.
26.
Structured & Practical Assessment Item
[4 MARKS]
P.5 • Classification of Animals
(a) State any two general characteristics of amphibians. (2 marks)
(b) Give two differences between fish and adult amphibians. (2 marks)
27.
Structured & Practical Assessment Item
[4 MARKS]
P.5 • Crop Growing
Match each crop management practice in Column A with its correct agricultural purpose in Column B:
(a) Mulching
(b) Pruning
(c) Thinning
(d) Weeding
28.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • The Reproductive System
(a) Name the male sex hormone responsible for secondary sex changes during puberty.
(b) Mention two secondary physical changes that occur only in boys during puberty.
(c) Name any one secondary physical change that is common to both boys and girls during puberty.
29.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • Sanitation
Study the waste transmission elements below and answer the questions that follow:
Faeces ──► Vector (Fly) ──► Food ──► Fingers ──► Healthy Person
(a) What scientific name is given to the disease-spreading pathway shown above?
(b) Give any two examples of communicable diarrhoeal diseases spread through this pathway.
(c) State any one physical activity done at home to block vectors from accessing Food.
30.
Structured & Practical Assessment Item
[4 MARKS]
P.7 • Forestry and Agroforestry
(a) State any two factors to consider when choosing a site for establishing a school woodlot. (2 marks)
(b) Give any two economic benefits of a school woodlot to the community. (2 marks)
31.
Structured & Practical Assessment Item
[4 MARKS]
P.7 • Electricity
(a) What is a short circuit?
(b) State two common causes of short circuits in residential houses.
(c) Why should water never be used to extinguish an electrical fire?
32.
Structured & Practical Assessment Item
[4 MARKS]
P.5 • Primary Health Care (PHC)
Primary Health Care involves responsibilities at different levels:
(a) State any one role of an individual in promoting PHC. (1 mark)
(b) State any one role of a school in promoting PHC. (1 mark)
(c) Mention any two roles played by Village Health Teams (VHTs) in a community. (2 marks)
33.
Structured & Practical Assessment Item
[4 MARKS]
P.7 • Light Energy
When white light passes through a triangular glass prism, it splits into a spectrum of seven colors:
(a) Name the first and last colors of the visible light spectrum: (i) Color between red and yellow (1 mark), (ii) Color with the shortest wavelength at the bottom (1 mark)
(b) Why do the different colors of white light refract at different angles through the prism? (1 mark)
(c) How is a natural rainbow formed in the sky? (1 mark)
34.
Structured & Practical Assessment Item
[4 MARKS]
P.5 • Types of Changes in the Environment
Classify each of the following changes taking place in the environment as either a physical, chemical, or biological change:
(a) Burning dry wood into ash (1 mark)
(b) Melting of ice into water (1 mark)
(c) Growth of a puppy into an adult dog (1 mark)
(d) Evaporation of water into steam (1 mark)
35.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • Sanitation
(a) Outline the three correct scientific steps followed when preparing Oral Rehydration Solution (ORS) locally at home. (3 marks)
(b) State the importance of administering ORS to a child suffering from severe diarrhoea. (1 mark)
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