PAPER CODE: 532/1
MOCK REF: PLE-333252
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.
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
2.
To which phylum of invertebrates do insects, arachnids, and crustaceans belong? [1 mark]
P.6 • Classification of Animals
3.
Name the parasitic disease that affects the ears of domestic rabbits. [1 mark]
P.5 • Keeping Rabbits
4.
Name the part of a cow that changes the color when a cow is on heat. [1 mark]
P.6 • Keeping Cattle
5.
State the structural adaptation of incisor teeth to their function. [1 mark]
P.4 • The Teeth
6.
What term refers to the meat obtained from an adult sheep? [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
7.
Name two methods of obtaining clean water for washing at home. [1 mark]
P.6 • Science at Home and in Our Community
8.
How does a tortoise protect itself from predators and danger in the environment? [1 mark]
P.5 • Classification of Animals
9.
Name the bud found in the leaf axil of a flowering plant. [1 mark]
P.4 • Plant Life
10.
State one structural adaptation of a coconut fruit for water dispersal. [1 mark]
P.5 • Plant Life
11.
Give any one example of an external parasite (ectoparasite) that attacks cattle. [1 mark]
P.6 • Keeping Cattle
12.
Give one reason why food should be chewed properly before swallowing. [1 mark]
P.5 • The Digestive System
13.
In an electric circuit diagram, which instrument is always connected in series to measure electric current? [1 mark]
P.7 • Electricity
14.
State one personal hygiene activity done using a nail cutter or razor blade. [1 mark]
P.4 • Personal Hygiene
15.
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
16.
State one reason why alcohol is preferred to mercury in minimum thermometers. [1 mark]
P.5 • Heat Energy
17.
During which type of weather does water evaporate fastest from open surfaces? [1 mark]
P.4 • Weather Changes Around Us
18.
State one way in which people can conserve non-renewable energy resources. [1 mark]
P.7 • Energy Resources in the Environment
19.
State the function of a ligament at a movable joint. [1 mark]
P.7 • The Muscular and Skeletal System
20.
Give any one role of water during seed germination. [1 mark]
P.5 • Plant Life
21.
State any one advantage of castrating male piglets not intended for breeding. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
22.
What scientific term is given to materials that allow light to pass through them completely? [1 mark]
P.7 • Light Energy
23.
Give one way of controlling the breeding of houseflies in a homestead. [1 mark]
P.6 • Sanitation
24.
Why does prolonged hunger sometimes lead to fainting? [1 mark]
P.6 • Accidents and First Aid
25.
Why is a pregnant mother advised to eat plenty of food rich in iron? [1 mark]
P.5 • Food and Nutrition
26.
What scientific term describes the direct change of a solid into a gas without melting into a liquid? [1 mark]
P.5 • Types of Changes in the Environment
27.
Name the main natural source of heat and light energy on earth. [1 mark]
P.4 • Energy in the Environment
28.
Give one reason why copper is the preferred metal for manufacturing electrical conducting cables in domestic installations. [1 mark]
P.7 • Electricity
29.
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
30.
State one way of increasing the electrical current produced by a bicycle dynamo. [1 mark]
P.7 • Electricity
31.
In which method of making water clean do you first allow the impurities to settle at the bottom of a container? [1 mark]
P.6 • Science at Home and in Our Community
32.
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
33.
What is the color code of the earth wire in a modern standard three-pin plug? [1 mark]
P.7 • Electricity
34.
State one way in which food can get contaminated with disease-causing germs in a home. [1 mark]
P.5 • Food and Nutrition
35.
Name the type of optical lens that diverges light rays. [1 mark]
P.7 • Light Energy
36.
How does painting an iron gate prevent it from rusting? [1 mark]
P.5 • Types of Changes in the Environment
37.
State the role of anhydrous calcium chloride in the laboratory investigation of rusting. [1 mark]
P.5 • Types of Changes in the Environment
38.
Identify the chemical substance used as a depolarizer in a standard dry Leclanché cell. [1 mark]
P.7 • Electricity
39.
Why is it not advisable to give a convulsing or fainted person food to eat or water to drink? [1 mark]
P.6 • Accidents and First Aid
40.
What happens when cooking oil is poured onto water in a glass? [1 mark]
P.5 • Matter and Energy
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