PAPER CODE: 532/1
MOCK REF: PLE-311500
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.
State any one importance of evaporation in the environment or daily life. [1 mark]
P.5 • Heat Energy
2.
State the minimum distance a pit latrine should be dug away from a domestic spring well or borehole. [1 mark]
P.5 • Primary Health Care (PHC)
3.
State one structural adaptation of a coconut fruit for water dispersal. [1 mark]
P.5 • Plant Life
4.
Why is an insect compelled to shed its outer covering periodically during growth? [1 mark]
P.7 • The Muscular and Skeletal System
5.
Name the parasitic disease that affects the ears of domestic rabbits. [1 mark]
P.5 • Keeping Rabbits
6.
Give any one reason why a residential living house should have large windows on opposite walls. [1 mark]
P.5 • Primary Health Care (PHC)
7.
Name the bud found in the leaf axil of a flowering plant. [1 mark]
P.4 • Plant Life
8.
How is the function of the anthers in a flower similar to that of the testes in a human male? [1 mark]
P.6 • The Reproductive System
9.
Why is it recommended to use clean wood ash at a tip-tap facility when soap is not available? [1 mark]
P.5 • Primary Health Care (PHC)
10.
State any one advantage of breast milk over commercial infant formula milk. [1 mark]
P.5 • Food and Nutrition
11.
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
12.
Name any one living thing that undergoes moulting in the environment. [1 mark]
P.5 • Types of Changes in the Environment
13.
Give one reason why food should be chewed properly before swallowing. [1 mark]
P.5 • The Digestive System
14.
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
15.
During which type of weather does water evaporate fastest from open surfaces? [1 mark]
P.4 • Weather Changes Around Us
16.
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
17.
State any one danger of bottle feeding to a four-month-old baby. [1 mark]
P.5 • Food and Nutrition
18.
State the function of hairs (cilia) and mucus inside the human nostrils. [1 mark]
P.7 • The Respiratory System
19.
Give any two examples of root tuber crops. [1 mark]
P.5 • Crop Growing
20.
State the role of anhydrous calcium chloride in the laboratory investigation of rusting. [1 mark]
P.5 • Types of Changes in the Environment
21.
What is Primary Health Care (PHC)? [1 mark]
P.5 • Primary Health Care (PHC)
22.
State one activity a school Science Club can undertake to combat environmental deforestation. [1 mark]
P.5 • Managing Changes in the Environment
23.
Mention any two environmental conditions necessary for viable seeds to germinate. [1 mark]
P.5 • Plant Life
24.
Why is the drop hole of a VIP latrine left open without a lid at all times? [1 mark]
P.6 • Sanitation
25.
Name the structure on the head of a tapeworm used for attachment to the intestinal wall. [1 mark]
P.6 • Classification of Animals
26.
The diagram below shows an animal in the group of invertebrates. (Snail diagram) Name the animal shown. [1 mark]
P.6 • Classification of Animals
27.
State the function of the U-trap in a water closet (flush toilet). [1 mark]
P.6 • Sanitation
28.
Why should a farmer select healthy and viable seeds before planting? [1 mark]
P.5 • Crop Growing
29.
Name any one type of latrine. [1 mark]
P.6 • Sanitation
30.
In a food web, how do carnivorous animals obtain their energy? [1 mark]
P.6 • Environment and Food Chains
31.
How is tepid sponging useful to a casualty with high fever? [1 mark]
P.6 • Accidents and First Aid
32.
Why is a tapeworm classified as an endoparasite? [1 mark]
P.6 • Classification of Animals
33.
Name the type of optical lens that diverges light rays. [1 mark]
P.7 • Light Energy
34.
How does a tortoise protect itself from predators and danger in the environment? [1 mark]
P.5 • Classification of Animals
35.
State the function of hooks and suckers on the scolex of a tapeworm. [1 mark]
P.6 • Classification of Animals
36.
What is meant by the term balanced diet? [1 mark]
P.5 • Food and Nutrition
37.
Which weather condition is most suitable for solar drying harvested crops? [1 mark]
P.4 • Weather Changes Around Us
38.
Name any one excretory product eliminated by the human lungs. [1 mark]
P.7 • The Excretory System
39.
State the biological function of the ciliated cells lining the fallopian tubes. [1 mark]
P.6 • The Reproductive System
40.
State one way of preventing the spread of Tuberculosis (TB). [1 mark]
P.7 • The Respiratory System
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.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.
42.
Structured & Practical Assessment Item
[4 MARKS]
P.5 • 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)
43.
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.
44.
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)
45.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • Sanitation
Study the waste transmission elements below and answer the questions that follow:
Faeces ──► Vector (Fly) ──► Food ──► Fingers ──► Healthy Person
(a) What scientific name is given to the disease-spreading pathway shown above?
(b) Give any two examples of communicable diarrhoeal diseases spread through this pathway.
(c) State any one physical activity done at home to block vectors from accessing Food.
46.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • 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
47.
Structured & Practical Assessment Item
[4 MARKS]
P.5 • 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)
48.
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.
49.
Structured & Practical Assessment Item
[4 MARKS]
P.5 • Types of Changes in the Environment
A Primary 5 pupil heated a tin can with water, sealed it tightly, and poured cold water on it.
(a) What happened to the tin can? (1 mark)
(b) Explain why that happened to the can. (2 marks)
(c) Which physical state transition occurred inside the can? (1 mark)
50.
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?
51.
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)
52.
Structured & Practical Assessment Item
[4 MARKS]
P.5 • Fungi and Non-Flowering Plants
(a) Name the green pigment in plant leaves that absorbs sunlight for photosynthesis. (1 mark)
(b) State one nutritional difference between ferns and mushrooms. (1 mark)
(c) Give any two other examples of non-flowering spore-producing plants apart from ferns. (2 marks)
53.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • The Reproductive System
(a) Write down any two disorders that affect the male reproductive system.
(b) State any one advantage of child spacing to a mother in a family.
(c) Give any one reason why females are highly affected by HIV/AIDS during intercourse.
54.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • 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.
55.
Structured & Practical Assessment Item
[4 MARKS]
P.5 • 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)
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