PAPER CODE: 532/1
MOCK REF: PLE-730325
Uganda National Examinations Board
Primary Leaving Examination (Standard Science Mock)
INTEGRATED SCIENCE
TIME: 2h 15m
MARKS: 65
★ CANDIDATE QUESTION PAPER ★
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) — 25 Marks
1 Mark eachQuestion 1 to 25 carry one mark each. Answer all questions in the spaces provided.
1.
Give one road safety practice for pedestrians crossing a busy road. [1 mark]
P.6 • Accidents and First Aid
2.
Why is the floor of a modern pigsty built with a gentle slope towards the drainage channel? [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
3.
State the difference between sand soil and clay soil in terms of particle size. [1 mark]
P.4 • Soil
4.
Give any one reason why a burnt or scalded part of the skin is dipped in cold water immediately. [1 mark]
P.6 • Accidents and First Aid
5.
How is tepid sponging useful to a casualty with high fever? [1 mark]
P.6 • Accidents and First Aid
6.
State the function of the U-trap in a water closet (flush toilet). [1 mark]
P.6 • Sanitation
7.
Why are small gaps left between railway rails during track construction? [1 mark]
P.5 • Heat Energy
8.
Name any one living thing that undergoes moulting in the environment. [1 mark]
P.5 • Types of Changes in the Environment
9.
Why is it not advisable to burst blisters on a burnt part of the skin? [1 mark]
P.6 • Accidents and First Aid
10.
Name the insect vector that spreads River Blindness (Onchocerciasis) to humans. [1 mark]
P.4 • Vectors and Diseases
11.
How does eating fresh oranges or lemons help prevent bleeding gums? [1 mark]
P.5 • Food and Nutrition
12.
State any one primary sex characteristic in human females. [1 mark]
P.6 • The Reproductive System
13.
Name the disorder of the skeletal system where a bone moves away from its normal position at a joint. [1 mark]
P.7 • The Muscular and Skeletal System
14.
Why is wood ash regularly poured into the pit of a latrine or Ecosan toilet? [1 mark]
P.6 • Sanitation
15.
Name any one type of latrine. [1 mark]
P.6 • Sanitation
16.
State any one importance of evaporation in the environment or daily life. [1 mark]
P.5 • Heat Energy
17.
Why does prolonged hunger sometimes lead to fainting? [1 mark]
P.6 • Accidents and First Aid
18.
Give any one psychological life skill that adolescent girls can develop to safeguard themselves against early teenage pregnancies. [1 mark]
P.6 • The Reproductive System
19.
State the biological function of the ciliated cells lining the fallopian tubes. [1 mark]
P.6 • The Reproductive System
20.
State any one danger of cigarette smoking to the human respiratory system. [1 mark]
P.7 • The Respiratory System
21.
Why is it raised legs that are required when giving first aid to a person who has fainted? [1 mark]
P.6 • Accidents and First Aid
22.
Which part of a mammalian tooth contains blood vessels and nerves? [1 mark]
P.4 • The Teeth
23.
Why is an electric fuse constructed using a wire with a low melting point? [1 mark]
P.7 • Electricity
24.
Name the organ in the human body responsible for thinking, intelligence, and memory. [1 mark]
P.7 • The Nervous System
25.
State one structural adaptation of a coconut fruit for water dispersal. [1 mark]
P.5 • Plant Life
Section B: (Questions 26 to 35) — 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.7 • 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.
27.
Structured & Practical Assessment Item
[4 MARKS]
P.7 • 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.
28.
Structured & Practical Assessment Item
[4 MARKS]
P.4 • 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)
29.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • Sanitation
(a) Give the difference between an Ordinary Pit Latrine and a VIP Latrine in terms of structural coverings.
(b) What material is used in an Ecosan latrine to dry human waste, and what is its role?
(c) State one major maintenance rule for a Water Closet (Flush Toilet) bowl.
30.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • Sanitation
(a) Give the meaning of each of the following terms:
(i) Sanitation (1 mark)
(ii) Personal hygiene (1 mark)
(b) State any two human activities done to maintain proper sanitation in a school compound. (2 marks)
31.
Structured & Practical Assessment Item
[4 MARKS]
P.5 • 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)
32.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • 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)
33.
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)
34.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • Sanitation
(a) What physical condition results when a patient passes out watery stools many times a day?
(b) State two physical signs of the condition mentioned in (a) above.
(c) What first aid treatment is given to a victim of the condition in (a) to restore balance?
35.
Structured & Practical Assessment Item
[4 MARKS]
P.5 • 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)
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