PAPER CODE: 532/1
MOCK REF: PLE-716545
Uganda National Examinations Board
Primary Leaving Examination (Standard Science Mock)
INTEGRATED SCIENCE
TIME: 2h 15m
MARKS: 35
โ
CANDIDATE QUESTION PAPER โ
Instructions to Candidates:
- This paper consists of two sections: Section A and Section B.
- Section A has 15 questions (15 marks). Section B has 5 questions (20 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 15) โ 15 Marks
1 Mark eachQuestion 1 to 15 carry one mark each. Answer all questions in the spaces provided.
1.
State the scientific function of soap in cleaning clothes. [1 mark]
P.6 โข Science at Home and in Our Community
2.
State any one danger of bottle feeding to a four-month-old baby. [1 mark]
P.5 โข Food and Nutrition
3.
Identify the chemical substance used as a depolarizer in a standard dry Leclanchรยฉ cell. [1 mark]
P.7 โข Electricity
4.
Name the part of an insect used for balancing during flight. [1 mark]
P.6 โข Classification of Animals
5.
State one way PIASCY messages help primary school pupils prevent HIV/AIDS infection. [1 mark]
P.6 โข The Reproductive System
6.
State one activity a school Science Club can undertake to combat environmental deforestation. [1 mark]
P.5 โข Managing Changes in the Environment
7.
Why is it not advisable to burst blisters on a burnt part of the skin? [1 mark]
P.6 โข Accidents and First Aid
8.
Mention one way in which you can prevent some clothes from staining others during washing. [1 mark]
P.6 โข Science at Home and in Our Community
9.
State the fundamental law of electrostatics concerning like and unlike charges. [1 mark]
P.7 โข Electricity
10.
State one way of preventing athlete's foot infection. [1 mark]
P.6 โข Personal Hygiene
11.
Why is the burning of dry paper classified as a chemical change? [1 mark]
P.5 โข Types of Changes in the Environment
12.
How is a burn different from a scald? [1 mark]
P.6 โข Accidents and First Aid
13.
How does chlorine make water safe for drinking? [1 mark]
P.6 โข Science at Home and in Our Community
14.
State the scientific function of the screen on top of the vent pipe of a VIP latrine. [1 mark]
P.6 โข Sanitation
15.
Why should a farmer select healthy and viable seeds before planting? [1 mark]
P.5 โข Crop Growing
Section B: (Questions 16 to 20) โ 20 Marks
4 Marks eachQuestion 16 to 20 carry four marks each. All answers must be written in the spaces provided.
16.
Structured & Practical Assessment Item
[4 MARKS]
P.6 โข Sound Energy
Define the following scientific terms related to sound:
(a) Volume (1 mark)
(b) Pitch (1 mark)
(c) Frequency (1 mark)
(d) Echo (1 mark)
17.
Structured & Practical Assessment Item
[4 MARKS]
P.6 โข Accidents and First Aid
(a) Name the kind of water recommended to be used when tepid sponging a casualty of high fever.
(b) State the scientific reason why the water mentioned in (a) is used instead of very cold water.
(c) Mention any two signs of dysentery in humans.
18.
Structured & Practical Assessment Item
[4 MARKS]
P.5 โข Types of Changes in the Environment
(a) State the difference between a physical change and a biological change. (1 mark)
(b) Give any two examples of physical changes involving heat gain. (2 marks)
(c) Name the physical process that occurs when morning dew turns into water vapour as the sun rises. (1 mark)
19.
Structured & Practical Assessment Item
[4 MARKS]
P.5 โข Keeping Goats, Sheep, and Pigs
The diagram below represents housing and management in goat farming:
(a) State the role of guard rails in a farrowing pen. (1 mark)
(b) Why should the floor of a goat shed be made of wooden slats raised off the ground? (1 mark)
(c) Name any two routine operations carried out in a livestock crush. (2 marks)
20.
Structured & Practical Assessment Item
[4 MARKS]
P.7 โข 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)
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