PAPER CODE: 532/1
MOCK REF: PLE-660374
Uganda National Examinations Board
Primary Leaving Examination (Standard Science Mock)
INTEGRATED SCIENCE
TIME: 2h 15m
MARKS: 100
★ CANDIDATE QUESTION PAPER ★
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) — 40 Marks
1 Mark eachQuestion 1 to 40 carry one mark each. Answer all questions in the spaces provided.
1.
Give any two examples of water impurities. [1 mark]
P.6 • Science at Home and in Our Community
2.
Give one use of a pair of scissors or razor blade in hair grooming. [1 mark]
P.4 • Personal Hygiene
3.
State the condition that must be present for a shadow to be formed. [1 mark]
P.7 • Light Energy
4.
State the function of a ligament at a movable joint. [1 mark]
P.7 • The Muscular and Skeletal System
5.
What kind of water is recommended for use during tepid sponging, and why should very cold water be avoided? [1 mark]
P.6 • Accidents and First Aid
6.
Give any one example of an emotional change in adolescents. [1 mark]
P.6 • The Reproductive System
7.
State any one advantage of breast milk over commercial infant formula milk. [1 mark]
P.5 • Food and Nutrition
8.
State one way in which people can conserve non-renewable energy resources. [1 mark]
P.7 • Energy Resources in the Environment
9.
State the function of hooks and suckers on the scolex of a tapeworm. [1 mark]
P.6 • Classification of Animals
10.
Why is an insect compelled to shed its outer covering periodically during growth? [1 mark]
P.7 • The Muscular and Skeletal System
11.
Why is wood ash regularly poured into the pit of a latrine or Ecosan toilet? [1 mark]
P.6 • Sanitation
12.
Name any one excretory product eliminated by the human lungs. [1 mark]
P.7 • The Excretory System
13.
To which class of vertebrates do tortoises and chameleons belong? [1 mark]
P.5 • Classification of Animals
14.
The diagram below shows an animal in the group of invertebrates. (Snail diagram) Name the animal shown. [1 mark]
P.6 • Classification of Animals
15.
State one characteristic of essential drugs in Primary Health Care. [1 mark]
P.5 • Primary Health Care (PHC)
16.
State one method of reducing echoes in large school assembly halls. [1 mark]
P.6 • Sound Energy
17.
How does chlorine make water safe for drinking? [1 mark]
P.6 • Science at Home and in Our Community
18.
Name any one vaccine-preventable disease in Uganda that affects the liver. [1 mark]
P.5 • Primary Health Care (PHC)
19.
Why is the drop hole of a VIP latrine left open without a lid at all times? [1 mark]
P.6 • Sanitation
20.
Which weather condition is most suitable for solar drying harvested crops? [1 mark]
P.4 • Weather Changes Around Us
21.
Name the deficiency disease caused by a severe lack of Vitamin C in the diet. [1 mark]
P.5 • Food and Nutrition
22.
State any two ways in which washing clothes is important to human health. [1 mark]
P.6 • Science at Home and in Our Community
23.
State one activity a school Science Club can undertake to combat environmental deforestation. [1 mark]
P.5 • Managing Changes in the Environment
24.
Why does prolonged hunger sometimes lead to fainting? [1 mark]
P.6 • Accidents and First Aid
25.
What is meant by the term balanced diet? [1 mark]
P.5 • Food and Nutrition
26.
How does painting an iron gate prevent it from rusting? [1 mark]
P.5 • Types of Changes in the Environment
27.
Mention any two environmental conditions necessary for viable seeds to germinate. [1 mark]
P.5 • Plant Life
28.
Name the parasitic disease that affects the ears of domestic rabbits. [1 mark]
P.5 • Keeping Rabbits
29.
State any one primary sex characteristic in human females. [1 mark]
P.6 • The Reproductive System
30.
Mention one way in which you can prevent some clothes from staining others during washing. [1 mark]
P.6 • Science at Home and in Our Community
31.
How does eating fresh oranges or lemons help prevent bleeding gums? [1 mark]
P.5 • Food and Nutrition
32.
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
33.
What scientific term describes the direct change of a solid into a gas without melting into a liquid? [1 mark]
P.5 • Types of Changes in the Environment
34.
State one nursery bed management practice done to harden off seedlings before transplanting. [1 mark]
P.5 • Crop Growing
35.
How is a burn different from a scald? [1 mark]
P.6 • Accidents and First Aid
36.
Identify the chemical substance used as a depolarizer in a standard dry Leclanché cell. [1 mark]
P.7 • Electricity
37.
Name any one vital organ protected by the human rib cage. [1 mark]
P.7 • The Muscular and Skeletal System
38.
What happens when cooking oil is poured onto water in a glass? [1 mark]
P.5 • Matter and Energy
39.
Why are small gaps left between railway rails during track construction? [1 mark]
P.5 • Heat Energy
40.
State one personal hygiene activity done using a nail cutter or razor blade. [1 mark]
P.4 • Personal Hygiene
Section B: (Questions 41 to 55) — 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.6 • 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.
42.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • Accidents and First Aid
(a) State the difference between drowning and near drowning.
(b) Give any two common causes of near drowning.
(c) State any one way you can help save a near-drowned casualty.
43.
Structured & Practical Assessment Item
[4 MARKS]
P.7 • Electricity
(a) Draw schematic circuit symbols for:
(i) A cell
(ii) An open switch
(b) State two advantages of connecting domestic lights in parallel rather than in series.
44.
Structured & Practical Assessment Item
[4 MARKS]
P.5 • 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)
45.
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)
46.
Structured & Practical Assessment Item
[4 MARKS]
P.7 • 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.
47.
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)
48.
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)
49.
Structured & Practical Assessment Item
[4 MARKS]
P.5 • Classification of Animals
(a) State any two general characteristics of amphibians. (2 marks)
(b) Give two differences between fish and adult amphibians. (2 marks)
50.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • 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.5 • 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)
52.
Structured & Practical Assessment Item
[4 MARKS]
P.5 • Keeping Goats, Sheep, and Pigs
Measly pork is a serious public health problem in Uganda:
(a) What causes measly pork in pigs? (1 mark)
(b) Name the parasite whose larvae cause this condition. (1 mark)
(c) State any two ways a community can prevent tapeworm transmission from pigs to humans. (2 marks)
53.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • Sanitation
(a) Outline the three correct scientific steps followed when preparing Oral Rehydration Solution (ORS) locally at home. (3 marks)
(b) State the importance of administering ORS to a child suffering from severe diarrhoea. (1 mark)
54.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • 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)
55.
Structured & Practical Assessment Item
[4 MARKS]
P.7 • 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)
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