PAPER CODE: 532/1
MOCK REF: PLE-866023
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.
Why is it not advisable to burst blisters on a burnt part of the skin? [1 mark]
P.6 • Accidents and First Aid
2.
The diagram below shows an animal in the group of invertebrates. (Snail diagram) Name the animal shown. [1 mark]
P.6 • Classification of Animals
3.
Why is the drop hole of a VIP latrine left open without a lid at all times? [1 mark]
P.6 • Sanitation
4.
How does boiling make water safe for drinking? [1 mark]
P.6 • Science at Home and in Our Community
5.
What scientific term describes the direct change of a solid into a gas without melting into a liquid? [1 mark]
P.5 • Types of Changes in the Environment
6.
Mention one way in which you can prevent some clothes from staining others during washing. [1 mark]
P.6 • Science at Home and in Our Community
7.
Name the part of a cow that changes the color when a cow is on heat. [1 mark]
P.6 • Keeping Cattle
8.
State any two ways in which washing clothes is important to human health. [1 mark]
P.6 • Science at Home and in Our Community
9.
How does eating fresh oranges or lemons help prevent bleeding gums? [1 mark]
P.5 • Food and Nutrition
10.
Give the scientific meaning of the term skeleton. [1 mark]
P.7 • The Muscular and Skeletal System
11.
Name two methods of obtaining clean water for washing at home. [1 mark]
P.6 • Science at Home and in Our Community
12.
Give one reason why copper is the preferred metal for manufacturing electrical conducting cables in domestic installations. [1 mark]
P.7 • Electricity
13.
Name the part of an insect used for balancing during flight. [1 mark]
P.6 • Classification of Animals
14.
State the function of the U-trap in a water closet (flush toilet). [1 mark]
P.6 • Sanitation
15.
State the role of anhydrous calcium chloride in the laboratory investigation of rusting. [1 mark]
P.5 • Types of Changes in the Environment
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.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.
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.6 • Accidents and First Aid
(a) State the difference between drowning and near drowning.
(b) Give any two common causes of near drowning.
(c) State any one way you can help save a near-drowned casualty.
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.5 • 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)
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