PAPER CODE: 532/1
MOCK REF: PLE-400217
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.
Give any one biological change that takes place in flowering plants. [1 mark]
P.5 • Types of Changes in the Environment
2.
What scientific term is given to materials that allow light to pass through them completely? [1 mark]
P.7 • Light Energy
3.
Give any two examples of root tuber crops. [1 mark]
P.5 • Crop Growing
4.
What is Primary Health Care (PHC)? [1 mark]
P.5 • Primary Health Care (PHC)
5.
State the role of anhydrous calcium chloride in the laboratory investigation of rusting. [1 mark]
P.5 • Types of Changes in the Environment
6.
State the function of a ligament at a movable joint. [1 mark]
P.7 • The Muscular and Skeletal System
7.
State one way of preventing the spread of Tuberculosis (TB). [1 mark]
P.7 • The Respiratory System
8.
Which part of a mammalian tooth contains blood vessels and nerves? [1 mark]
P.4 • The Teeth
9.
Which weather condition is most suitable for solar drying harvested crops? [1 mark]
P.4 • Weather Changes Around Us
10.
Give one reason why food should be chewed properly before swallowing. [1 mark]
P.5 • The Digestive System
11.
State one way in which people can conserve non-renewable energy resources. [1 mark]
P.7 • Energy Resources in the Environment
12.
State one benefit of warming-up exercises to muscles before strenuous physical activities. [1 mark]
P.7 • The Muscular and Skeletal System
13.
State one structural adaptation of a coconut fruit for water dispersal. [1 mark]
P.5 • Plant Life
14.
Identify one airborne bacterial disease that affects the human skeleton. [1 mark]
P.7 • The Muscular and Skeletal System
15.
What is meant by non-renewable energy resources? [1 mark]
P.7 • Energy Resources in the Environment
16.
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
17.
State one activity a school Science Club can undertake to combat environmental deforestation. [1 mark]
P.5 • Managing Changes in the Environment
18.
The diagram below shows an animal in the group of invertebrates. (Snail diagram) Name the animal shown. [1 mark]
P.6 • Classification of Animals
19.
What is meant by the term balanced diet? [1 mark]
P.5 • Food and Nutrition
20.
State one way of increasing the electrical current produced by a bicycle dynamo. [1 mark]
P.7 • Electricity
21.
State the function of the U-trap in a water closet (flush toilet). [1 mark]
P.6 • Sanitation
22.
State any one function of the diaphragm during the process of breathing. [1 mark]
P.6 • The Respiratory System
23.
Give one reason why a person who has fainted should be placed in a cool, open, and well-ventilated space. [1 mark]
P.6 • Accidents and First Aid
24.
Why is it not advisable to burst blisters on a burnt part of the skin? [1 mark]
P.6 • Accidents and First Aid
25.
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
26.
Name two methods of obtaining clean water for washing at home. [1 mark]
P.6 • Science at Home and in Our Community
27.
State the difference between sand soil and clay soil in terms of particle size. [1 mark]
P.4 • Soil
28.
Name the organ in the human body responsible for thinking, intelligence, and memory. [1 mark]
P.7 • The Nervous System
29.
State one characteristic of essential drugs in Primary Health Care. [1 mark]
P.5 • Primary Health Care (PHC)
30.
How does boiling make water safe for drinking? [1 mark]
P.6 • Science at Home and in Our Community
31.
Why does sound travel fastest in solids compared to liquids and gases? [1 mark]
P.6 • Sound Energy
32.
How does chlorine make water safe for drinking? [1 mark]
P.6 • Science at Home and in Our Community
33.
Give one use of a pair of scissors or razor blade in hair grooming. [1 mark]
P.4 • Personal Hygiene
34.
State any one importance of evaporation in the environment or daily life. [1 mark]
P.5 • Heat Energy
35.
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
36.
Name the nutritional deficiency disease caused by a severe lack of Vitamin B1 in the diet. [1 mark]
P.5 • Food and Nutrition
37.
Give any two examples of water impurities. [1 mark]
P.6 • Science at Home and in Our Community
38.
Name the farm structure used to hold cattle or goats firmly during hand spraying, drenching, or vaccination. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
39.
Give one way of controlling the breeding of houseflies in a homestead. [1 mark]
P.6 • Sanitation
40.
Name the structure on the head of a tapeworm used for attachment to the intestinal wall. [1 mark]
P.6 • Classification of Animals
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