PAPER CODE: 532/1
MOCK REF: PLE-222047
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.
How does the Ecosan latrine promote agricultural productivity? [1 mark]
P.6 • Sanitation
2.
Name the organ in the human body responsible for thinking, intelligence, and memory. [1 mark]
P.7 • The Nervous System
3.
Give one safety measure to prevent electric shock in a domestic home. [1 mark]
P.6 • Accidents and First Aid
4.
What is meant by the term annual crops? [1 mark]
P.5 • Crop Growing
5.
The diagram below shows an animal in the group of invertebrates. (Snail diagram) Name the animal shown. [1 mark]
P.6 • Classification of Animals
6.
Identify the chemical substance used as a depolarizer in a standard dry Leclanché cell. [1 mark]
P.7 • Electricity
7.
Give the scientific meaning of the term skeleton. [1 mark]
P.7 • The Muscular and Skeletal System
8.
Why is an electric fuse constructed using a wire with a low melting point? [1 mark]
P.7 • Electricity
9.
What is meant by non-renewable energy resources? [1 mark]
P.7 • Energy Resources in the Environment
10.
Name two methods of obtaining clean water for washing at home. [1 mark]
P.6 • Science at Home and in Our Community
11.
How does chlorine make water safe for drinking? [1 mark]
P.6 • Science at Home and in Our Community
12.
Why is it dangerous to pour highly acidic substances or strong chemical insecticides into a pit latrine? [1 mark]
P.6 • Sanitation
13.
Give any one reason why a residential living house should have large windows on opposite walls. [1 mark]
P.5 • Primary Health Care (PHC)
14.
State any one method used to identify individual livestock on a farm. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
15.
State the structural adaptation of incisor teeth to their function. [1 mark]
P.4 • The Teeth
16.
Give any one role of water during seed germination. [1 mark]
P.5 • Plant Life
17.
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
18.
State one way of increasing the electrical current produced by a bicycle dynamo. [1 mark]
P.7 • Electricity
19.
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
20.
Mention one way in which you can prevent some clothes from staining others during washing. [1 mark]
P.6 • Science at Home and in Our Community
21.
Give any one agricultural use of discarded plastic jerrycans or containers in a home. [1 mark]
P.6 • Science at Home and in Our Community
22.
Name the part of an insect used for balancing during flight. [1 mark]
P.6 • Classification of Animals
23.
How is a burn different from a scald? [1 mark]
P.6 • Accidents and First Aid
24.
To which phylum of invertebrates do insects, arachnids, and crustaceans belong? [1 mark]
P.6 • Classification of Animals
25.
State one way in which school children can help their community control the spread of malaria. [1 mark]
P.5 • Control of Malaria
26.
State the fundamental law of electrostatics concerning like and unlike charges. [1 mark]
P.7 • Electricity
27.
State the role of anhydrous calcium chloride in the laboratory investigation of rusting. [1 mark]
P.5 • Types of Changes in the Environment
28.
State any one primary sex characteristic in human females. [1 mark]
P.6 • The Reproductive System
29.
State one way of preventing athlete's foot infection. [1 mark]
P.6 • Personal Hygiene
30.
Give one effect of thick clouds in the atmosphere. [1 mark]
P.4 • Weather Changes Around Us
31.
What happens when cooking oil is poured onto water in a glass? [1 mark]
P.5 • Matter and Energy
32.
Name the type of optical lens that diverges light rays. [1 mark]
P.7 • Light Energy
33.
Give any one example of an emotional change in adolescents. [1 mark]
P.6 • The Reproductive System
34.
Give any one function of proteins in the human body. [1 mark]
P.4 • Food and Nutrition
35.
Why does sound travel fastest in solids compared to liquids and gases? [1 mark]
P.6 • Sound Energy
36.
To which class of vertebrates do tortoises and chameleons belong? [1 mark]
P.5 • Classification of Animals
37.
How does painting an iron gate prevent it from rusting? [1 mark]
P.5 • Types of Changes in the Environment
38.
Why is the drop hole of a VIP latrine left open without a lid at all times? [1 mark]
P.6 • Sanitation
39.
State one structural adaptation of a coconut fruit for water dispersal. [1 mark]
P.5 • Plant Life
40.
Name the nutritional deficiency disease caused by a severe lack of Vitamin B1 in the diet. [1 mark]
P.5 • Food and Nutrition
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