PAPER CODE: 532/1
MOCK REF: PLE-539360
Uganda National Examinations Board
Primary Leaving Examination (Standard Science Mock)
INTEGRATED SCIENCE
TIME: 2h 15m
MARKS: 65
โ
CANDIDATE QUESTION PAPER โ
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) โ 25 Marks
1 Mark eachQuestion 1 to 25 carry one mark each. Answer all questions in the spaces provided.
1.
How does boiling make water safe for drinking? [1 mark]
P.6 โข Science at Home and in Our Community
2.
Name the parasitic disease that affects the ears of domestic rabbits. [1 mark]
P.5 โข Keeping Rabbits
3.
Identify the chemical substance used as a depolarizer in a standard dry Leclanchรยฉ cell. [1 mark]
P.7 โข Electricity
4.
State any one danger of cigarette smoking to the human respiratory system. [1 mark]
P.7 โข The Respiratory System
5.
State one characteristic of essential drugs in Primary Health Care. [1 mark]
P.5 โข Primary Health Care (PHC)
6.
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
7.
State the scientific function of soap in cleaning clothes. [1 mark]
P.6 โข Science at Home and in Our Community
8.
Give the scientific meaning of the term skeleton. [1 mark]
P.7 โข The Muscular and Skeletal System
9.
Give one way of controlling the breeding of houseflies in a homestead. [1 mark]
P.6 โข Sanitation
10.
Why is a pregnant mother advised to eat plenty of food rich in iron? [1 mark]
P.5 โข Food and Nutrition
11.
Give any one reason why veterinary doctors advise farmers NEVER to open the carcass of an animal suspected to have died of Anthrax. [1 mark]
P.5 โข Keeping Goats, Sheep, and Pigs
12.
State the function of a ligament at a movable joint. [1 mark]
P.7 โข The Muscular and Skeletal System
13.
Give one safety measure to prevent electric shock in a domestic home. [1 mark]
P.6 โข Accidents and First Aid
14.
State any one difference between an artery and a vein. [1 mark]
P.7 โข The Circulatory System
15.
State any one way in which fermentation is important in our daily life. [1 mark]
P.6 โข Alcohol, Smoking and Drugs
16.
Name the nutritional deficiency disease caused by a severe lack of Vitamin B1 in the diet. [1 mark]
P.5 โข Food and Nutrition
17.
Give any one health benefit of regular physical exercises to the human body. [1 mark]
P.7 โข The Muscular and Skeletal System
18.
Why does prolonged hunger sometimes lead to fainting? [1 mark]
P.6 โข Accidents and First Aid
19.
State any one danger of bottle feeding to a four-month-old baby. [1 mark]
P.5 โข Food and Nutrition
20.
What is the color code of the earth wire in a modern standard three-pin plug? [1 mark]
P.7 โข Electricity
21.
Name the type of optical lens that diverges light rays. [1 mark]
P.7 โข Light Energy
22.
State the function of hooks and suckers on the scolex of a tapeworm. [1 mark]
P.6 โข Classification of Animals
23.
In an electric circuit diagram, which instrument is always connected in series to measure electric current? [1 mark]
P.7 โข Electricity
24.
Give one reason why copper is the preferred metal for manufacturing electrical conducting cables in domestic installations. [1 mark]
P.7 โข Electricity
25.
Name the part of a cow that changes the color when a cow is on heat. [1 mark]
P.6 โข Keeping Cattle
Section B: (Questions 26 to 35) โ 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 โข Primary Health Care (PHC)
The diagram below shows a sanitary homestead structure:
(a) Name the structure described as a raised wooden rack used for drying utensils. (1 mark)
(b) Give two reasons why washed plates should be dried on this structure rather than on the ground. (2 marks)
(c) How does direct sunlight assist in the sanitation of utensils on this rack? (1 mark)
27.
Structured & Practical Assessment Item
[4 MARKS]
P.7 โข The Muscular and Skeletal System
(a) Name the two voluntary muscles found in the human upper arm.
(b) Give any one function of muscles in the human body.
(c) State any one importance of maintaining correct body posture in humans.
28.
Structured & Practical Assessment Item
[4 MARKS]
P.5 โข Primary Health Care (PHC)
(a) State any two types of health information collected during a community health survey. (2 marks)
(b) Give two reasons why health surveys are important to a community. (2 marks)
29.
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.
30.
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)
31.
Structured & Practical Assessment Item
[4 MARKS]
P.5 โข Keeping Goats, Sheep, and Pigs
Livestock breeds have different commercial adaptations:
(a) Name the exotic goat breed kept primarily for high milk production. (1 mark)
(b) Which sheep breed is world-famous for producing fine wool? (1 mark)
(c) Give any two reasons why local indigenous goats like the Small East African goat are preferred by subsistence farmers. (2 marks)
32.
Structured & Practical Assessment Item
[4 MARKS]
P.5 โข 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)
33.
Structured & Practical Assessment Item
[4 MARKS]
P.5 โข The Digestive System
(a) Name the digestive liquid produced by salivary glands in the mouth. (1 mark)
(b) State two physical processes that happen to food inside the mouth during digestion. (2 marks)
(c) Name the digestive disorder characterized by difficulty in passing hard, dry stools. (1 mark)
34.
Structured & Practical Assessment Item
[4 MARKS]
P.5 โข Crop Growing
Match each crop management practice in Column A with its correct agricultural purpose in Column B:
(a) Mulching
(b) Pruning
(c) Thinning
(d) Weeding
35.
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.
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