PAPER CODE: 532/1
MOCK REF: PLE-840143
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.
Why is it not advisable to burst blisters on a burnt part of the skin? [1 mark]
P.6 โข Accidents and First Aid
2.
State the condition that must be present for a shadow to be formed. [1 mark]
P.7 โข Light Energy
3.
Identify the chemical substance used as a depolarizer in a standard dry Leclanchรยฉ cell. [1 mark]
P.7 โข Electricity
4.
Name two methods of obtaining clean water for washing at home. [1 mark]
P.6 โข Science at Home and in Our Community
5.
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
6.
State the scientific function of the screen on top of the vent pipe of a VIP latrine. [1 mark]
P.6 โข Sanitation
7.
State any one method used to identify individual livestock on a farm. [1 mark]
P.5 โข Keeping Goats, Sheep, and Pigs
8.
Name any one vaccine-preventable disease in Uganda that affects the liver. [1 mark]
P.5 โข Primary Health Care (PHC)
9.
Give one safety measure to prevent electric shock in a domestic home. [1 mark]
P.6 โข Accidents and First Aid
10.
Why does sound travel fastest in solids compared to liquids and gases? [1 mark]
P.6 โข Sound Energy
11.
Why is a husband and his wife advised to go for treatment together when they contract gonorrhoea? [1 mark]
P.6 โข The Reproductive System
12.
State one way of preventing athlete's foot infection. [1 mark]
P.6 โข Personal Hygiene
13.
State one reason why alcohol is preferred to mercury in minimum thermometers. [1 mark]
P.5 โข Heat Energy
14.
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
15.
Why is a tapeworm classified as an endoparasite? [1 mark]
P.6 โข Classification of Animals
16.
State any one advantage of breast milk over commercial infant formula milk. [1 mark]
P.5 โข Food and Nutrition
17.
State the structural adaptation of incisor teeth to their function. [1 mark]
P.4 โข The Teeth
18.
State one way of preventing accidental drug poisoning in young children at home. [1 mark]
P.6 โข Accidents and First Aid
19.
State any one advantage of castrating male piglets not intended for breeding. [1 mark]
P.5 โข Keeping Goats, Sheep, and Pigs
20.
Why is the chin lifted backwards when giving First Aid to an unconscious casualty? [1 mark]
P.6 โข Accidents and First Aid
21.
What is meant by the term balanced diet? [1 mark]
P.5 โข Food and Nutrition
22.
Name the farm structure used to hold cattle or goats firmly during hand spraying, drenching, or vaccination. [1 mark]
P.5 โข Keeping Goats, Sheep, and Pigs
23.
Name the longest and strongest bone found in the human body. [1 mark]
P.7 โข The Muscular and Skeletal System
24.
In an electric circuit diagram, which instrument is always connected in series to measure electric current? [1 mark]
P.7 โข Electricity
25.
State the function of hooks and suckers on the scolex of a tapeworm. [1 mark]
P.6 โข Classification of Animals
26.
Why is the floor of a modern pigsty built with a gentle slope towards the drainage channel? [1 mark]
P.5 โข Keeping Goats, Sheep, and Pigs
27.
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
28.
Which part of the human body is affected by Otalgia? [1 mark]
P.6 โข Sound Energy
29.
Give any one health benefit of regular physical exercises to the human body. [1 mark]
P.7 โข The Muscular and Skeletal System
30.
Name any one excretory product eliminated by the human lungs. [1 mark]
P.7 โข The Excretory System
31.
State any one importance of evaporation in the environment or daily life. [1 mark]
P.5 โข Heat Energy
32.
How does boiling make water safe for drinking? [1 mark]
P.6 โข Science at Home and in Our Community
33.
To which class of vertebrates do snakes and lizards belong? [1 mark]
P.5 โข Classification of Animals
34.
State one benefit of warming-up exercises to muscles before strenuous physical activities. [1 mark]
P.7 โข The Muscular and Skeletal System
35.
Name any one element of Primary Health Care (PHC). [1 mark]
P.5 โข Primary Health Care (PHC)
36.
Name the organ in the human body responsible for thinking, intelligence, and memory. [1 mark]
P.7 โข The Nervous System
37.
Why are goats ear tagged or ear notched on a livestock farm? [1 mark]
P.5 โข Keeping Goats, Sheep, and Pigs
38.
State the exact part of the female reproductive system where fertilization takes place. [1 mark]
P.6 โข The Reproductive System
39.
How does the Ecosan latrine promote agricultural productivity? [1 mark]
P.6 โข Sanitation
40.
Why is water obtained by the distillation method not recommended for drinking at home? [1 mark]
P.6 โข Science at Home and in Our Community
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.7 โข The Respiratory System
(a) Name the respiratory tube that branches from the trachea into each lung. (1 mark)
(b) State the role of rings of cartilage found around the trachea. (1 mark)
(c) What happens to the following during inhalation (breathing in):
(i) The diaphragm (1 mark)
(ii) The volume of the chest cavity (1 mark)
42.
Structured & Practical Assessment Item
[4 MARKS]
P.6 โข Science at Home and in Our Community
(a) What is meant by the term silting?
(b) State the major cause of silting in water bodies.
(c) Apart from killing fish, give one way in which silting affects aquatic life.
43.
Structured & Practical Assessment Item
[4 MARKS]
P.7 โข Forestry and Agroforestry
(a) Define the term agroforestry. (1 mark)
(b) State any one characteristic of suitable tree species used in agroforestry. (1 mark)
(c) Give any two benefits of agroforestry to a farmer. (2 marks)
44.
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)
45.
Structured & Practical Assessment Item
[4 MARKS]
P.5 โข Matter and Energy
(a) In which state of matter are molecules furthest apart and free to move randomly in all directions? (1 mark)
(b) Name the physical process that occurs when:
(i) A solid changes directly into a gas without turning into a liquid (1 mark)
(ii) A liquid changes into a solid (1 mark)
(c) Give one practical example of a substance that undergoes sublimation. (1 mark)
46.
Structured & Practical Assessment Item
[4 MARKS]
P.6 โข Alcohol, Smoking and Drugs
(a) Mention any two health hazards of heavy alcohol consumption to the human body. (2 marks)
(b) State any two social or economic effects of alcoholism to a family. (2 marks)
47.
Structured & Practical Assessment Item
[4 MARKS]
P.6 โข Science at Home and in Our Community
State the importance of the following steps in cleaning clothes at home:
(i) Sorting
(ii) Soaking
48.
Structured & Practical Assessment Item
[4 MARKS]
P.6 โข Classification of Animals
(a) Name the group of worms to which each of the following belongs:
(i) Tapeworm and Liver fluke (1 mark)
(ii) Roundworm and Hookworm (1 mark)
(b) State any two ways in which parasitic worms enter the human body. (2 marks)
49.
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)
50.
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.
51.
Structured & Practical Assessment Item
[4 MARKS]
P.6 โข The Reproductive System
(a) Name the fluid that protects the human foetus from mechanical shock and physical injury inside the womb. (1 mark)
(b) State any two functions of the umbilical cord during pregnancy. (2 marks)
(c) Name the organ in the female reproductive system that produces mature ova. (1 mark)
52.
Structured & Practical Assessment Item
[4 MARKS]
P.7 โข 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)
53.
Structured & Practical Assessment Item
[4 MARKS]
P.6 โข Keeping Cattle
(a) Name the system of keeping cattle where animals are permanently kept and fed inside stalls. (1 mark)
(b) State any one type of organic manure obtained from cattle kept in this system. (1 mark)
(c) Give any two advantages of the cattle keeping system named in (a). (2 marks)
54.
Structured & Practical Assessment Item
[4 MARKS]
P.5 โข Primary Health Care (PHC)
(a) Write down the full meaning of the abbreviation PHC. (1 mark)
(b) State any two core principles of Primary Health Care. (2 marks)
(c) Why is Primary Health Care considered more economical for developing nations like Uganda than curative hospital care? (1 mark)
55.
Structured & Practical Assessment Item
[4 MARKS]
P.7 โข Simple Machines
A crowbar is used to lift a heavy stone with the fulcrum positioned between the load and the effort:
(a) To which class of levers does the crowbar belong? (1 mark)
(b) State the principle of moments used in levers. (1 mark)
(c) Give any two other everyday examples of machines belonging to the class of levers identified in (a). (2 marks)
Finished Reviewing this UNEB Mock Exam Paper?
Download the full 55-question exam booklet as a clean PDF or print directly for classroom administration (guaranteed ≤ 12 pages).