PAPER CODE: 532/1
MOCK REF: PLE-861557
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 water obtained by the distillation method not recommended for drinking at home? [1 mark]
P.6 โข Science at Home and in Our Community
2.
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
3.
Give any two examples of water impurities. [1 mark]
P.6 โข Science at Home and in Our Community
4.
Name any one type of latrine. [1 mark]
P.6 โข Sanitation
5.
What scientific term describes the direct change of a solid into a gas without melting into a liquid? [1 mark]
P.5 โข Types of Changes in the Environment
6.
What is meant by non-renewable energy resources? [1 mark]
P.7 โข Energy Resources in the Environment
7.
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
8.
State the condition that must be present for a shadow to be formed. [1 mark]
P.7 โข Light Energy
9.
State any one factor to consider when selecting a suitable site for an apiary. [1 mark]
P.5 โข Keeping Poultry and Bees
10.
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
11.
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
12.
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
13.
Name the insect vector that spreads River Blindness (Onchocerciasis) to humans. [1 mark]
P.4 โข Vectors and Diseases
14.
What is meant by the term balanced diet? [1 mark]
P.5 โข Food and Nutrition
15.
Give any one role of water during seed germination. [1 mark]
P.5 โข Plant Life
16.
Which weather condition is most suitable for solar drying harvested crops? [1 mark]
P.4 โข Weather Changes Around Us
17.
Name the main natural source of heat and light energy on earth. [1 mark]
P.4 โข Energy in the Environment
18.
How can a person doing laundry prevent colored clothes from staining white clothes? [1 mark]
P.6 โข Science at Home and in Our Community
19.
Give one safety measure to prevent electric shock in a domestic home. [1 mark]
P.6 โข Accidents and First Aid
20.
Why is a pregnant mother advised to eat plenty of food rich in iron? [1 mark]
P.5 โข Food and Nutrition
21.
State one way of preventing accidental drug poisoning in young children at home. [1 mark]
P.6 โข Accidents and First Aid
22.
State the role of anhydrous calcium chloride in the laboratory investigation of rusting. [1 mark]
P.5 โข Types of Changes in the Environment
23.
Identify the chemical substance used as a depolarizer in a standard dry Leclanchรยฉ cell. [1 mark]
P.7 โข Electricity
24.
Name the parasitic disease that affects the ears of domestic rabbits. [1 mark]
P.5 โข Keeping Rabbits
25.
State any one element of Primary Health Care. [1 mark]
P.5 โข Primary Health Care (PHC)
26.
State one benefit of warming-up exercises to muscles before strenuous physical activities. [1 mark]
P.7 โข The Muscular and Skeletal System
27.
Why is it recommended to use clean wood ash at a tip-tap facility when soap is not available? [1 mark]
P.5 โข Primary Health Care (PHC)
28.
Name the part of a cow that changes the color when a cow is on heat. [1 mark]
P.6 โข Keeping Cattle
29.
What is the color code of the earth wire in a modern standard three-pin plug? [1 mark]
P.7 โข Electricity
30.
During which type of weather does water evaporate fastest from open surfaces? [1 mark]
P.4 โข Weather Changes Around Us
31.
State one characteristic of essential drugs in Primary Health Care. [1 mark]
P.5 โข Primary Health Care (PHC)
32.
Name the bud found in the leaf axil of a flowering plant. [1 mark]
P.4 โข Plant Life
33.
State any one primary sex characteristic in human females. [1 mark]
P.6 โข The Reproductive System
34.
Name the type of optical lens that diverges light rays. [1 mark]
P.7 โข Light Energy
35.
Give the scientific meaning of the term skeleton. [1 mark]
P.7 โข The Muscular and Skeletal System
36.
State one way in which food can get contaminated with disease-causing germs in a home. [1 mark]
P.5 โข Food and Nutrition
37.
Name any one element of Primary Health Care (PHC). [1 mark]
P.5 โข Primary Health Care (PHC)
38.
State one activity a school Science Club can undertake to combat environmental deforestation. [1 mark]
P.5 โข Managing Changes in the Environment
39.
Why does prolonged hunger sometimes lead to fainting? [1 mark]
P.6 โข Accidents and First Aid
40.
Name the movable joint found between the atlas and axis vertebrae in the neck. [1 mark]
P.7 โข The Muscular and Skeletal System
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.4 โข Vectors and Diseases
(a) Name the insect vector that spreads Sleeping Sickness (Trypanosomiasis) to humans. (1 mark)
(b) Which developmental stage of a housefly causes food contamination? (1 mark)
(c) What do adult female tsetse flies and female anopheles mosquitoes feed on? (1 mark)
(d) How does an infected mosquito transmit malaria parasites to humans? (1 mark)
42.
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.
43.
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
44.
Structured & Practical Assessment Item
[4 MARKS]
P.5 โข Keeping Goats, Sheep, and Pigs
The diagram below represents housing and management in goat farming:
(a) State the role of guard rails in a farrowing pen. (1 mark)
(b) Why should the floor of a goat shed be made of wooden slats raised off the ground? (1 mark)
(c) Name any two routine operations carried out in a livestock crush. (2 marks)
45.
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)
46.
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)
47.
Structured & Practical Assessment Item
[4 MARKS]
P.7 โข The Muscular and Skeletal System
(a) Name the five regions of the human vertebral column in order from neck to tail.
(b) Give the number of vertebrae in: (i) Cervical region (ii) Lumbar region
(c) State the function of the human vertebral column.
48.
Structured & Practical Assessment Item
[4 MARKS]
P.6 โข Science at Home and in Our Community
Match the laundry terms in Part A with their correct scientific meanings in Part B:
Sorting
Wringing
Rinsing
Soaking
49.
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)
50.
Structured & Practical Assessment Item
[4 MARKS]
P.6 โข Sound Energy
Define the following scientific terms related to sound:
(a) Volume (1 mark)
(b) Pitch (1 mark)
(c) Frequency (1 mark)
(d) Echo (1 mark)
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.5 โข Keeping Goats, Sheep, and Pigs
(a) Name any one exotic breed of dairy goats. (1 mark)
(b) Name the commercial textile product obtained from Angora goats. (1 mark)
(c) State any two advantages of keeping goats over keeping cattle. (2 marks)
53.
Structured & Practical Assessment Item
[4 MARKS]
P.5 โข Keeping Poultry and Bees
(a) Name any two local mineral supplements fed to laying hens to promote the formation of strong eggshells. (2 marks)
(b) State any two management practices carried out by a poultry farmer to maintain high egg production in layers. (2 marks)
54.
Structured & Practical Assessment Item
[4 MARKS]
P.6 โข Accidents and First Aid
(a) Why should a first aider never induce vomiting in a casualty who has swallowed paraffin or kerosene?
(b) What first aid should be given to a paraffin poisoning victim?
(c) How should a first aider manage a non-corrosive poisoning casualty?
55.
Structured & Practical Assessment Item
[4 MARKS]
P.6 โข Science at Home and in Our Community
(a) Give the meaning of the term siltation (silting).
(b) Identify the major cause of siltation.
(c) State any two effects of siltation in water bodies.
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