PAPER CODE: 532/1
MOCK REF: PLE-525794
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.
What is the color code of the earth wire in a modern standard three-pin plug? [1 mark]
P.7 • Electricity
2.
Name the bud found in the leaf axil of a flowering plant. [1 mark]
P.4 • Plant Life
3.
Why does prolonged hunger sometimes lead to fainting? [1 mark]
P.6 • Accidents and First Aid
4.
State the scientific function of the screen on top of the vent pipe of a VIP latrine. [1 mark]
P.6 • Sanitation
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.
Give any two examples of root tuber crops. [1 mark]
P.5 • Crop Growing
7.
Give one use of a pair of scissors or razor blade in hair grooming. [1 mark]
P.4 • Personal Hygiene
8.
State the fundamental law of electrostatics concerning like and unlike charges. [1 mark]
P.7 • Electricity
9.
State any one way in which the ironing of clothes is useful when cleaning clothes. [1 mark]
P.6 • Science at Home and in Our Community
10.
How is a burn different from a scald? [1 mark]
P.6 • Accidents and First Aid
11.
How is the function of the anthers in a flower similar to that of the testes in a human male? [1 mark]
P.6 • The Reproductive System
12.
Give any one danger of rusting to a school farmer's tools. [1 mark]
P.5 • Types of Changes in the Environment
13.
State any one advantage of breast milk over commercial infant formula milk. [1 mark]
P.5 • Food and Nutrition
14.
How does the Ecosan latrine promote agricultural productivity? [1 mark]
P.6 • Sanitation
15.
Why is a husband and his wife advised to go for treatment together when they contract gonorrhoea? [1 mark]
P.6 • The Reproductive System
16.
State one method of reducing echoes in large school assembly halls. [1 mark]
P.6 • Sound Energy
17.
What is Primary Health Care (PHC)? [1 mark]
P.5 • Primary Health Care (PHC)
18.
What is meant by the term balanced diet? [1 mark]
P.5 • Food and Nutrition
19.
Give any one function of proteins in the human body. [1 mark]
P.4 • Food and Nutrition
20.
State one activity a school Science Club can undertake to combat environmental deforestation. [1 mark]
P.5 • Managing Changes in the Environment
21.
Give one reason why food should be chewed properly before swallowing. [1 mark]
P.5 • The Digestive System
22.
State one characteristic of essential drugs in Primary Health Care. [1 mark]
P.5 • Primary Health Care (PHC)
23.
What is meant by the term annual crops? [1 mark]
P.5 • Crop Growing
24.
State any one importance of evaporation in the environment or daily life. [1 mark]
P.5 • Heat Energy
25.
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
26.
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
27.
State one reason why alcohol is preferred to mercury in minimum thermometers. [1 mark]
P.5 • Heat Energy
28.
Name any one excretory product eliminated by the human lungs. [1 mark]
P.7 • The Excretory System
29.
Name the organ in the human body responsible for thinking, intelligence, and memory. [1 mark]
P.7 • The Nervous System
30.
What general term refers to cattle kept primarily for ploughing and pulling carts? [1 mark]
P.6 • Keeping Cattle
31.
How does eating fresh oranges or lemons help prevent bleeding gums? [1 mark]
P.5 • Food and Nutrition
32.
Name the structure on the head of a tapeworm used for attachment to the intestinal wall. [1 mark]
P.6 • Classification of Animals
33.
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
34.
Name the female parent in goat farming. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
35.
Name the type of optical lens that diverges light rays. [1 mark]
P.7 • Light Energy
36.
Give any one example of an emotional change in adolescents. [1 mark]
P.6 • The Reproductive System
37.
State any one primary sex characteristic in human females. [1 mark]
P.6 • The Reproductive System
38.
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
39.
State any two ways in which washing clothes is important to human health. [1 mark]
P.6 • Science at Home and in Our Community
40.
Identify the chemical substance used as a depolarizer in a standard dry Leclanché cell. [1 mark]
P.7 • Electricity
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