PAPER CODE: 532/1
MOCK REF: PLE-613073
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.
State one way of increasing the electrical current produced by a bicycle dynamo. [1 mark]
P.7 • Electricity
2.
In an electric circuit diagram, which instrument is always connected in series to measure electric current? [1 mark]
P.7 • Electricity
3.
In a food web, how do carnivorous animals obtain their energy? [1 mark]
P.6 • Environment and Food Chains
4.
How does chlorine make water safe for drinking? [1 mark]
P.6 • Science at Home and in Our Community
5.
Give any one biological change that takes place in flowering plants. [1 mark]
P.5 • Types of Changes in the Environment
6.
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
7.
What scientific term is given to materials that allow light to pass through them completely? [1 mark]
P.7 • Light Energy
8.
State the reason why woolen clothes should be dried flat without wringing (twisting). [1 mark]
P.6 • Science at Home and in Our Community
9.
State any two ways in which washing clothes is important to human health. [1 mark]
P.6 • Science at Home and in Our Community
10.
State one activity a school Science Club can undertake to combat environmental deforestation. [1 mark]
P.5 • Managing Changes in the Environment
11.
Identify the chemical substance used as a depolarizer in a standard dry Leclanché cell. [1 mark]
P.7 • Electricity
12.
What is meant by the term balanced diet? [1 mark]
P.5 • Food and Nutrition
13.
State one way of preventing athlete's foot infection. [1 mark]
P.6 • Personal Hygiene
14.
How is the function of the anthers in a flower similar to that of the testes in a human male? [1 mark]
P.6 • The Reproductive System
15.
Name any one element of Primary Health Care (PHC). [1 mark]
P.5 • Primary Health Care (PHC)
16.
Which part of the human body is affected by Otalgia? [1 mark]
P.6 • Sound Energy
17.
State the biological function of the ciliated cells lining the fallopian tubes. [1 mark]
P.6 • The Reproductive System
18.
State the scientific function of the screen on top of the vent pipe of a VIP latrine. [1 mark]
P.6 • Sanitation
19.
Why is the floor of a modern pigsty built with a gentle slope towards the drainage channel? [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
20.
State the role of anhydrous calcium chloride in the laboratory investigation of rusting. [1 mark]
P.5 • Types of Changes in the Environment
21.
Give any one example of an emotional change in adolescents. [1 mark]
P.6 • The Reproductive System
22.
State any one way in which the ironing of clothes is useful when cleaning clothes. [1 mark]
P.6 • Science at Home and in Our Community
23.
How is a burn different from a scald? [1 mark]
P.6 • Accidents and First Aid
24.
State any one danger of cigarette smoking to the human respiratory system. [1 mark]
P.7 • The Respiratory System
25.
State the exact part of the female reproductive system where fertilization takes place. [1 mark]
P.6 • The Reproductive System
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 • Keeping Goats, Sheep, and Pigs
A farmer noticed his goats were limping and producing a bad smell from their hooves:
(a) Which livestock disease is the farmer's herd likely suffering from? (1 mark)
(b) State the environmental condition in the goat pen that promotes this disease. (1 mark)
(c) Outline any two measures the farmer should take to control this disease. (2 marks)
27.
Structured & Practical Assessment Item
[4 MARKS]
P.5 • Types of Changes in the Environment
A Primary 5 pupil heated a tin can with water, sealed it tightly, and poured cold water on it.
(a) What happened to the tin can? (1 mark)
(b) Explain why that happened to the can. (2 marks)
(c) Which physical state transition occurred inside the can? (1 mark)
28.
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)
29.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • Sanitation
(a) State any two poor sanitation conditions in a school compound that can encourage the breeding of disease vectors. (2 marks)
(b) Name any two vector-borne or water-borne diseases that can break out as a result of the poor conditions in (a). (2 marks)
30.
Structured & Practical Assessment Item
[4 MARKS]
P.7 • The Muscular and Skeletal System
(a) What is a fracture?
(b) Distinguish between a simple fracture and a compound fracture.
(c) Give the main function of each of the following first aid items:
(i) Splints
(ii) Arm sling
31.
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)
32.
Structured & Practical Assessment Item
[4 MARKS]
P.4 • Soil
An experiment was carried out where equal amounts of water were poured through equal volumes of clay soil and sand soil in funnels lined with cotton wool:
(a) Which physical soil property was being investigated? (1 mark)
(b) State the role of cotton wool placed at the neck of the funnel. (1 mark)
(c) In which type of soil did water drain fastest, and give a reason why. (2 marks)
33.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • 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.
34.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • Accidents and First Aid
(a) State any two common causes of nose bleeding (epistaxis) in children. (2 marks)
(b) State two First Aid measures given to manage a nose bleeding casualty. (2 marks)
35.
Structured & Practical Assessment Item
[4 MARKS]
P.5 • Crop Growing
(a) State any one danger of weeds to growing crops. (1 mark)
(b) Give any two cultural methods of controlling weeds in a garden. (2 marks)
(c) State one routine management practice carried out on climbing crops like tomatoes. (1 mark)
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