PAPER CODE: 532/1
MOCK REF: PLE-500746
Uganda National Examinations Board
Primary Leaving Examination (Standard Science Mock)
INTEGRATED SCIENCE
TIME: 2h 15m
MARKS: 35
★ CANDIDATE QUESTION PAPER ★
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) — 15 Marks
1 Mark eachQuestion 1 to 15 carry one mark each. Answer all questions in the spaces provided.
1.
Give one effect of thick clouds in the atmosphere. [1 mark]
P.4 • Weather Changes Around Us
2.
Give any two examples of root tuber crops. [1 mark]
P.5 • Crop Growing
3.
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
4.
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
5.
What is meant by non-renewable energy resources? [1 mark]
P.7 • Energy Resources in the Environment
6.
State one characteristic of essential drugs in Primary Health Care. [1 mark]
P.5 • Primary Health Care (PHC)
7.
What general term refers to cattle kept primarily for ploughing and pulling carts? [1 mark]
P.6 • Keeping Cattle
8.
In a food web, how do carnivorous animals obtain their energy? [1 mark]
P.6 • Environment and Food Chains
9.
State any one danger of bottle feeding to a four-month-old baby. [1 mark]
P.5 • Food and Nutrition
10.
Give any one example of a dual-purpose or heavy poultry breed. [1 mark]
P.5 • Keeping Poultry and Bees
11.
Give one reason why food should be chewed properly before swallowing. [1 mark]
P.5 • The Digestive System
12.
What is the color code of the earth wire in a modern standard three-pin plug? [1 mark]
P.7 • Electricity
13.
Why are small gaps left between railway rails during track construction? [1 mark]
P.5 • Heat Energy
14.
How does chlorine make water safe for drinking? [1 mark]
P.6 • Science at Home and in Our Community
15.
State one way of increasing the electrical current produced by a bicycle dynamo. [1 mark]
P.7 • Electricity
Section B: (Questions 16 to 20) — 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.7 • The Respiratory System
(a) Name the gas needed for: (i) Aerobic respiration (1 mark), (ii) Produced as a waste product of respiration (1 mark)
(b) State any two dangers of violent wind in the environment. (2 marks)
17.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • Science at Home and in Our Community
Name the step used in cleaning clothes that:
(a) Removes excess water from the clothes.
(b) Removes soapy water from the washed garments.
18.
Structured & Practical Assessment Item
[4 MARKS]
P.7 • Simple Machines
(a) Name the simple machine used in a windlass (water winch) for drawing water from deep wells. (1 mark)
(b) State two other practical uses of the machine named in (a). (2 marks)
(c) Name the opposing force that resists motion in simple machines. (1 mark)
19.
Structured & Practical Assessment Item
[4 MARKS]
P.5 • Types of Changes in the Environment
Study the experimental setups below showing nails left in four test tubes for five days:
(a) In which test tube did the nail rust fastest? (1 mark)
(b) Why didn't the nail in Test-Tube B (boiled water + oil) rust? (1 mark)
(c) What was the purpose of Test-Tube C containing anhydrous calcium chloride? (1 mark)
(d) State the two environmental conditions necessary for iron to rust. (1 mark)
20.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • 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)
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