PAPER CODE: 532/1
MOCK REF: PLE-155430
Uganda National Examinations Board
Primary Leaving Examination (Standard Science Mock)
INTEGRATED SCIENCE
TIME: 2h 15m
MARKS: 100
โ
CANDIDATE QUESTION PAPER โ
Instructions to Candidates:
- This paper consists of two sections: Section A and Section B.
- Section A has 40 questions (40 marks). Section B has 15 questions (60 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 40) โ 40 Marks
1 Mark eachQuestion 1 to 40 carry one mark each. Answer all questions in the spaces provided.
1.
How is a burn different from a scald? [1 mark]
P.6 โข Accidents and First Aid
2.
What kind of water is recommended for use during tepid sponging, and why should very cold water be avoided? [1 mark]
P.6 โข Accidents and First Aid
3.
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
4.
Give the scientific meaning of the term skeleton. [1 mark]
P.7 โข The Muscular and Skeletal System
5.
State any one element of Primary Health Care. [1 mark]
P.5 โข Primary Health Care (PHC)
6.
How does chlorine make water safe for drinking? [1 mark]
P.6 โข Science at Home and in Our Community
7.
State any one way in which the ironing of clothes is useful when cleaning clothes. [1 mark]
P.6 โข Science at Home and in Our Community
8.
State any one primary sex characteristic in human females. [1 mark]
P.6 โข The Reproductive System
9.
State the scientific function of the screen on top of the vent pipe of a VIP latrine. [1 mark]
P.6 โข Sanitation
10.
State the function of a ligament at a movable joint. [1 mark]
P.7 โข The Muscular and Skeletal System
11.
What term refers to the meat obtained from an adult sheep? [1 mark]
P.5 โข Keeping Goats, Sheep, and Pigs
12.
Give a reason why a hard object (wrapped in a clean cloth) should be put in the mouth of a convulsing victim. [1 mark]
P.6 โข Accidents and First Aid
13.
What is the color code of the earth wire in a modern standard three-pin plug? [1 mark]
P.7 โข Electricity
14.
State any one advantage of breast milk over commercial infant formula milk. [1 mark]
P.5 โข Food and Nutrition
15.
Why is it dangerous to pour highly acidic substances or strong chemical insecticides into a pit latrine? [1 mark]
P.6 โข Sanitation
16.
State any two ways in which washing clothes is important to human health. [1 mark]
P.6 โข Science at Home and in Our Community
17.
State the reason why woolen clothes should be dried flat without wringing (twisting). [1 mark]
P.6 โข Science at Home and in Our Community
18.
Give any one reason why a residential living house should have large windows on opposite walls. [1 mark]
P.5 โข Primary Health Care (PHC)
19.
In which method of making water clean do you first allow the impurities to settle at the bottom of a container? [1 mark]
P.6 โข Science at Home and in Our Community
20.
Why is the drop hole of a VIP latrine left open without a lid at all times? [1 mark]
P.6 โข Sanitation
21.
Why does prolonged hunger sometimes lead to fainting? [1 mark]
P.6 โข Accidents and First Aid
22.
State the biological function of the ciliated cells lining the fallopian tubes. [1 mark]
P.6 โข The Reproductive System
23.
How is tepid sponging useful to a casualty with high fever? [1 mark]
P.6 โข Accidents and First Aid
24.
Why is it not advisable to give a convulsing or fainted person food to eat or water to drink? [1 mark]
P.6 โข Accidents and First Aid
25.
Identify one airborne bacterial disease that affects the human skeleton. [1 mark]
P.7 โข The Muscular and Skeletal System
26.
How is the function of the anthers in a flower similar to that of the testes in a human male? [1 mark]
P.6 โข The Reproductive System
27.
State the scientific function of the screen (wire mesh) on top of the vent pipe of a VIP latrine. [1 mark]
P.6 โข Sanitation
28.
Name the female parent in goat farming. [1 mark]
P.5 โข Keeping Goats, Sheep, and Pigs
29.
State any one danger of hanging colored clothes under direct sunshine for a long time to dry. [1 mark]
P.6 โข Science at Home and in Our Community
30.
Why is it not advisable to burst blisters on a burnt part of the skin? [1 mark]
P.6 โข Accidents and First Aid
31.
Why is a pregnant mother advised to eat plenty of food rich in iron? [1 mark]
P.5 โข Food and Nutrition
32.
State the role of anhydrous calcium chloride in the laboratory investigation of rusting. [1 mark]
P.5 โข Types of Changes in the Environment
33.
Name the community health workers who act as a frontline bridge between the village and health centres in Uganda. [1 mark]
P.5 โข Primary Health Care (PHC)
34.
Give one reason why copper is the preferred metal for manufacturing electrical conducting cables in domestic installations. [1 mark]
P.7 โข Electricity
35.
Why is an electric fuse constructed using a wire with a low melting point? [1 mark]
P.7 โข Electricity
36.
Give any one psychological life skill that adolescent girls can develop to safeguard themselves against early teenage pregnancies. [1 mark]
P.6 โข The Reproductive System
37.
Give any two examples of water impurities. [1 mark]
P.6 โข Science at Home and in Our Community
38.
State the fundamental law of electrostatics concerning like and unlike charges. [1 mark]
P.7 โข Electricity
39.
Name the disorder of the skeletal system where a bone moves away from its normal position at a joint. [1 mark]
P.7 โข The Muscular and Skeletal System
40.
Which part of the human body is affected by Otalgia? [1 mark]
P.6 โข Sound Energy
Section B: (Questions 41 to 55) โ 60 Marks
4 Marks eachQuestion 41 to 55 carry four marks each. All answers must be written in the spaces provided.
41.
Structured & Practical Assessment Item
[4 MARKS]
P.5 โข Food and Nutrition
The table below shows two children suffering from malnutrition:
(a) Name the deficiency disease Child X is suffering from if he has swollen feet, moon face, and reddish hair. (1 mark)
(b) Name the deficiency disease Child Y is suffering from if he has extreme wasting, visible ribs, and an old person's face. (1 mark)
(c) What nutrient is severely lacking in Child X's diet? (1 mark)
(d) Give any one food you would feed Child X to cure this condition. (1 mark)
42.
Structured & Practical Assessment Item
[4 MARKS]
P.6 โข Science at Home and in Our Community
The diagram below shows a simple setup of making water clean. Study and use it to answer the questions that follow:
[ Water poured here ]
รขโ โ
|~~~~~~~~~~~~~~~| | Coarse Stones | <--- Container T \ / \ Clean Water/ \___________/
รขโ โ
[---------] | S | <--- Container S |_________|
(a) Name the method used above.
(b) Apart from coarse stones, name any two other local materials that can be placed in container T.
(c) Why should the clean water obtained in container S be boiled before drinking?
43.
Structured & Practical Assessment Item
[4 MARKS]
P.5 โข Food and Nutrition
Weaning is an important milestone in infant growth:
(a) Define the term weaning. (1 mark)
(b) At what age should weaning start? (1 mark)
(c) Why should weaning NOT start earlier than this recommended age? (1 mark)
(d) State one danger of feeding a weaning child on plain maize porridge without enriching it. (1 mark)
44.
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.
45.
Structured & Practical Assessment Item
[4 MARKS]
P.6 โข 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.
46.
Structured & Practical Assessment Item
[4 MARKS]
P.5 โข Primary Health Care (PHC)
A Ventilated Improved Pit (VIP) latrine is an improvement over an ordinary pit latrine:
(a) State the function of the tall vent pipe on a VIP latrine. (1 mark)
(b) What is the purpose of the wire fly screen placed at the top of the vent pipe? (1 mark)
(c) Give any two reasons why a VIP latrine does not smell as badly as an ordinary pit latrine. (2 marks)
47.
Structured & Practical Assessment Item
[4 MARKS]
P.6 โข Sound Energy
(a) Mention any one example of musical instruments in each of the groups below:
(i) String instrument
(ii) Percussion instrument
(b) Name any two methods of storing sound.
48.
Structured & Practical Assessment Item
[4 MARKS]
P.5 โข Food and Nutrition
Vulnerable groups have special dietary requirements:
(a) Why is a convalescent person classified as a vulnerable individual? (1 mark)
(b) Which class of food should be increased in a convalescent's diet? (1 mark)
(c) State the nutritional role of dietary roughage in human digestion. (1 mark)
(d) Name any one local food source rich in dietary roughage. (1 mark)
49.
Structured & Practical Assessment Item
[4 MARKS]
P.5 โข 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)
50.
Structured & Practical Assessment Item
[4 MARKS]
P.5 โข 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)
51.
Structured & Practical Assessment Item
[4 MARKS]
P.5 โข Types of Changes in the Environment
Human activities bring about changes in the environment:
(a) Define the term afforestation. (1 mark)
(b) Give any two reasons why people cut down trees on a large scale (deforestation). (2 marks)
(c) State one way in which cutting down trees leads to severe environmental flooding. (1 mark)
52.
Structured & Practical Assessment Item
[4 MARKS]
P.6 โข The Reproductive System
(a) State the difference between vasectomy and tubal ligation as methods of family planning.
(b) Why is the use of condoms highly recommended during family planning compared to other methods?
(c) Name one natural family planning method.
53.
Structured & Practical Assessment Item
[4 MARKS]
P.7 โข Electricity
(a) State the difference between static electricity and current electricity.
(b) Describe how static charges are produced on a plastic ruler.
(c) State two safety precautions taken to protect tall school buildings against lightning strikes.
54.
Structured & Practical Assessment Item
[4 MARKS]
P.6 โข The Reproductive System
(a) State the difference between identical twins and fraternal twins in terms of fertilization.
(b) State any two physical characteristics unique to identical twins.
55.
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)
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