PAPER CODE: 532/1
MOCK REF: PLE-750007
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 primary sex characteristic in human females. [1 mark]
P.6 • The Reproductive System
2.
Give any one example of a dual-purpose or heavy poultry breed. [1 mark]
P.5 • Keeping Poultry and Bees
3.
State the role of anhydrous calcium chloride in the laboratory investigation of rusting. [1 mark]
P.5 • Types of Changes in the Environment
4.
Why is it not advisable to burst blisters on a burnt part of the skin? [1 mark]
P.6 • Accidents and First Aid
5.
State any one element of Primary Health Care. [1 mark]
P.5 • Primary Health Care (PHC)
6.
What scientific term is given to materials that allow light to pass through them completely? [1 mark]
P.7 • Light Energy
7.
State any one way in which fermentation is important in our daily life. [1 mark]
P.6 • Alcohol, Smoking and Drugs
8.
Which part of a mammalian tooth contains blood vessels and nerves? [1 mark]
P.4 • The Teeth
9.
Give any one danger of rusting to a school farmer's tools. [1 mark]
P.5 • Types of Changes in the Environment
10.
Give any one role of water during seed germination. [1 mark]
P.5 • Plant Life
11.
Name the community health workers who act as a frontline bridge between the village and health centres in Uganda. [1 mark]
P.5 • Primary Health Care (PHC)
12.
What is meant by the term balanced diet? [1 mark]
P.5 • Food and Nutrition
13.
Name the insect vector that spreads River Blindness (Onchocerciasis) to humans. [1 mark]
P.4 • Vectors and Diseases
14.
Name any one excretory product eliminated by the human lungs. [1 mark]
P.7 • The Excretory System
15.
State one personal hygiene activity done using a nail cutter or razor blade. [1 mark]
P.4 • Personal Hygiene
16.
State one characteristic of essential drugs in Primary Health Care. [1 mark]
P.5 • Primary Health Care (PHC)
17.
State any one function of the diaphragm during the process of breathing. [1 mark]
P.6 • The Respiratory System
18.
Give one reason why food should be chewed properly before swallowing. [1 mark]
P.5 • The Digestive System
19.
Name the part of an insect used for balancing during flight. [1 mark]
P.6 • Classification of Animals
20.
Why does prolonged hunger sometimes lead to fainting? [1 mark]
P.6 • Accidents and First Aid
21.
Give the scientific meaning of the term skeleton. [1 mark]
P.7 • The Muscular and Skeletal System
22.
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 • Keeping Goats, Sheep, and Pigs
23.
Name the bud found in the leaf axil of a flowering plant. [1 mark]
P.4 • 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 main natural source of heat and light energy on earth. [1 mark]
P.4 • Energy in the Environment
26.
State one way of preventing athlete's foot infection. [1 mark]
P.6 • Personal Hygiene
27.
Why is water obtained by the distillation method not recommended for drinking at home? [1 mark]
P.6 • Science at Home and in Our Community
28.
To which class of vertebrates do snakes and lizards belong? [1 mark]
P.5 • Classification of Animals
29.
State one way of increasing the electrical current produced by a bicycle dynamo. [1 mark]
P.7 • Electricity
30.
Why are small gaps left between railway rails during track construction? [1 mark]
P.5 • Heat Energy
31.
Name the parasitic disease that affects the ears of domestic rabbits. [1 mark]
P.5 • Keeping Rabbits
32.
Name the type of optical lens that diverges light rays. [1 mark]
P.7 • Light Energy
33.
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)
34.
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
35.
During which type of weather does water evaporate fastest from open surfaces? [1 mark]
P.4 • Weather Changes Around Us
36.
Why is a pregnant mother advised to eat plenty of food rich in iron? [1 mark]
P.5 • Food and Nutrition
37.
Name the nutritional deficiency disease caused by a severe lack of Vitamin B1 in the diet. [1 mark]
P.5 • Food and Nutrition
38.
State one way PIASCY messages help primary school pupils prevent HIV/AIDS infection. [1 mark]
P.6 • The Reproductive System
39.
Why does the water level in a measuring cylinder rise when a stone is completely immersed in it? [1 mark]
P.5 • Matter and Energy
40.
Give any two examples of root tuber crops. [1 mark]
P.5 • Crop Growing
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 • The Reproductive System
Match the reproductive structures in Part A with their correct physiological functions in Part B:
Epididymis
Scrotum
Cervix
Vas deferens
42.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • The Reproductive System
(a) Name the male sex hormone responsible for secondary sex changes during puberty.
(b) Mention two secondary physical changes that occur only in boys during puberty.
(c) Name any one secondary physical change that is common to both boys and girls during puberty.
43.
Structured & Practical Assessment Item
[4 MARKS]
P.5 • Food and Nutrition
Weaning is an important milestone in infant growth:
(a) Define the term weaning. (1 mark)
(b) At what age should weaning start? (1 mark)
(c) Why should weaning NOT start earlier than this recommended age? (1 mark)
(d) State one danger of feeding a weaning child on plain maize porridge without enriching it. (1 mark)
44.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • 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.
45.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • The Reproductive System
(a) State the difference between identical twins and fraternal twins in terms of fertilization.
(b) State any two physical characteristics unique to identical twins.
46.
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)
47.
Structured & Practical Assessment Item
[4 MARKS]
P.5 • Keeping Goats, Sheep, and Pigs
A farmer noticed his goats were limping and producing a bad smell from their hooves:
(a) Which livestock disease is the farmer's herd likely suffering from? (1 mark)
(b) State the environmental condition in the goat pen that promotes this disease. (1 mark)
(c) Outline any two measures the farmer should take to control this disease. (2 marks)
48.
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.
49.
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)
50.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • Science at Home and in Our Community
The diagram below shows a simple water purification system. Study and use it to answer the questions that follow:
Swampy water ──► Filtered ──► Point W ──► Stored in the jerrycan
(a) Name any one activity that can be done to water at Point W.
(b) Why is swampy water filtered before being taken to Point W?
(c) State the importance of passing water through Point W.
(d) Mention any one other activity that can be done to swampy water before being taken to Point W to make it clear.
51.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • Science at Home and in Our Community
Name the step used in cleaning clothes that:
(a) Removes excess water from the clothes.
(b) Removes soapy water from the washed garments.
52.
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
53.
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)
54.
Structured & Practical Assessment Item
[4 MARKS]
P.5 • Primary Health Care (PHC)
A Ventilated Improved Pit (VIP) latrine is an improvement over an ordinary pit latrine:
(a) State the function of the tall vent pipe on a VIP latrine. (1 mark)
(b) What is the purpose of the wire fly screen placed at the top of the vent pipe? (1 mark)
(c) Give any two reasons why a VIP latrine does not smell as badly as an ordinary pit latrine. (2 marks)
55.
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)
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).