PAPER CODE: 532/1
MOCK REF: PLE-910905
Uganda National Examinations Board
Primary Leaving Examination (Standard Science Mock)
INTEGRATED SCIENCE
TIME: 2h 15m
MARKS: 40
★ 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 0 questions (0 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.
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
2.
State any one function of the diaphragm during the process of breathing. [1 mark]
P.6 • The Respiratory System
3.
Give one road safety practice for pedestrians crossing a busy road. [1 mark]
P.6 • Accidents and First Aid
4.
How does painting an iron gate prevent it from rusting? [1 mark]
P.5 • Types of Changes in the Environment
5.
Give one reason why food should be chewed properly before swallowing. [1 mark]
P.5 • The Digestive System
6.
Name any one vital organ protected by the human rib cage. [1 mark]
P.7 • The Muscular and Skeletal System
7.
State any one primary sex characteristic in human females. [1 mark]
P.6 • The Reproductive System
8.
Name the part of a cow that changes the color when a cow is on heat. [1 mark]
P.6 • Keeping Cattle
9.
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
10.
State the exact part of the female reproductive system where fertilization takes place. [1 mark]
P.6 • The Reproductive System
11.
State one way in which food can get contaminated with disease-causing germs in a home. [1 mark]
P.5 • Food and Nutrition
12.
Name any one type of latrine. [1 mark]
P.6 • Sanitation
13.
How can a person doing laundry prevent colored clothes from staining white clothes? [1 mark]
P.6 • Science at Home and in Our Community
14.
State any two ways in which washing clothes is important to human health. [1 mark]
P.6 • Science at Home and in Our Community
15.
Name the movable joint found between the atlas and axis vertebrae in the neck. [1 mark]
P.7 • The Muscular and Skeletal System
16.
Give one safety measure to prevent electric shock in a domestic home. [1 mark]
P.6 • Accidents and First Aid
17.
Give one reason why copper is the preferred metal for manufacturing electrical conducting cables in domestic installations. [1 mark]
P.7 • Electricity
18.
State the scientific function of the screen (wire mesh) on top of the vent pipe of a VIP latrine. [1 mark]
P.6 • Sanitation
19.
Give a reason why a hard object (wrapped in a clean cloth) should be put in the mouth of a convulsing victim. [1 mark]
P.6 • Accidents and First Aid
20.
What is meant by the term balanced diet? [1 mark]
P.5 • Food and Nutrition
21.
State any one difference between an artery and a vein. [1 mark]
P.7 • The Circulatory System
22.
Name the bud found in the leaf axil of a flowering plant. [1 mark]
P.4 • Plant Life
23.
State the function of a ligament at a movable joint. [1 mark]
P.7 • The Muscular and Skeletal System
24.
Why is a tapeworm classified as an endoparasite? [1 mark]
P.6 • Classification of Animals
25.
Name the type of optical lens that diverges light rays. [1 mark]
P.7 • Light Energy
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.
Give any two examples of water impurities. [1 mark]
P.6 • Science at Home and in Our Community
28.
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
29.
Mention any one personal hygiene practice that prevents bad body odour. [1 mark]
P.6 • Personal Hygiene
30.
Name two methods of obtaining clean water for washing at home. [1 mark]
P.6 • Science at Home and in Our Community
31.
Give any one biological change that takes place in flowering plants. [1 mark]
P.5 • Types of Changes in the Environment
32.
In a food web, how do carnivorous animals obtain their energy? [1 mark]
P.6 • Environment and Food Chains
33.
Which part of the human body is affected by Otalgia? [1 mark]
P.6 • Sound Energy
34.
State any one danger of cigarette smoking to the human respiratory system. [1 mark]
P.7 • The Respiratory System
35.
Why is it dangerous to pour highly acidic substances or strong chemical insecticides into a pit latrine? [1 mark]
P.6 • Sanitation
36.
Why is a pregnant mother advised to eat plenty of food rich in iron? [1 mark]
P.5 • Food and Nutrition
37.
State the function of hooks and suckers on the scolex of a tapeworm. [1 mark]
P.6 • Classification of Animals
38.
Name the nutritional deficiency disease caused by a severe lack of Vitamin B1 in the diet. [1 mark]
P.5 • Food and Nutrition
39.
State the structural adaptation of incisor teeth to their function. [1 mark]
P.4 • The Teeth
40.
Give any one function of proteins in the human body. [1 mark]
P.4 • Food and Nutrition
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