PAPER CODE: 532/1
MOCK REF: PLE-241726
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.
State the scientific function of the screen (wire mesh) on top of the vent pipe of a VIP latrine. [1 mark]
P.6 • Sanitation
2.
During which type of weather does water evaporate fastest from open surfaces? [1 mark]
P.4 • Weather Changes Around Us
3.
Why is an electric fuse constructed using a wire with a low melting point? [1 mark]
P.7 • Electricity
4.
Give any two examples of root tuber crops. [1 mark]
P.5 • Crop Growing
5.
What is meant by non-renewable energy resources? [1 mark]
P.7 • Energy Resources in the Environment
6.
State one way in which school children can help their community control the spread of malaria. [1 mark]
P.5 • Control of Malaria
7.
What general term refers to cattle kept primarily for ploughing and pulling carts? [1 mark]
P.6 • Keeping Cattle
8.
Give the scientific meaning of the term skeleton. [1 mark]
P.7 • The Muscular and Skeletal System
9.
To which class of vertebrates do snakes and lizards belong? [1 mark]
P.5 • Classification of Animals
10.
State the structural adaptation of incisor teeth to their function. [1 mark]
P.4 • The Teeth
11.
Name the part of an insect used for balancing during flight. [1 mark]
P.6 • Classification of Animals
12.
State the function of hooks and suckers on the scolex of a tapeworm. [1 mark]
P.6 • Classification of Animals
13.
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
14.
State any one danger of cigarette smoking to the human respiratory system. [1 mark]
P.7 • The Respiratory System
15.
Mention any one personal hygiene practice that prevents bad body odour. [1 mark]
P.6 • Personal Hygiene
16.
State any one danger of bottle feeding to a four-month-old baby. [1 mark]
P.5 • Food and Nutrition
17.
Name any one excretory product eliminated by the human lungs. [1 mark]
P.7 • The Excretory System
18.
Name any one vital organ protected by the human rib cage. [1 mark]
P.7 • The Muscular and Skeletal System
19.
How can a person doing laundry prevent colored clothes from staining white clothes? [1 mark]
P.6 • Science at Home and in Our Community
20.
Give any one example of an emotional change in adolescents. [1 mark]
P.6 • The Reproductive System
21.
Why should a farmer select healthy and viable seeds before planting? [1 mark]
P.5 • Crop Growing
22.
State the fundamental law of electrostatics concerning like and unlike charges. [1 mark]
P.7 • Electricity
23.
Which weather condition is most suitable for solar drying harvested crops? [1 mark]
P.4 • Weather Changes Around Us
24.
State the scientific function of the screen on top of the vent pipe of a VIP latrine. [1 mark]
P.6 • Sanitation
25.
State the role of anhydrous calcium chloride in the laboratory investigation of rusting. [1 mark]
P.5 • Types of Changes in the Environment
26.
Why are small gaps left between railway rails during track construction? [1 mark]
P.5 • Heat Energy
27.
State one reason why alcohol is preferred to mercury in minimum thermometers. [1 mark]
P.5 • Heat Energy
28.
Give any one danger of rusting to a school farmer's tools. [1 mark]
P.5 • Types of Changes in the Environment
29.
Give any one role of water during seed germination. [1 mark]
P.5 • Plant Life
30.
Name any one type of latrine. [1 mark]
P.6 • Sanitation
31.
How does the Ecosan latrine promote agricultural productivity? [1 mark]
P.6 • Sanitation
32.
State the condition that must be present for a shadow to be formed. [1 mark]
P.7 • Light Energy
33.
To which class of vertebrates do tortoises and chameleons belong? [1 mark]
P.5 • Classification of Animals
34.
Name the deficiency disease caused by a severe lack of Vitamin C in the diet. [1 mark]
P.5 • Food and Nutrition
35.
Give one use of a pair of scissors or razor blade in hair grooming. [1 mark]
P.4 • Personal Hygiene
36.
State one way PIASCY messages help primary school pupils prevent HIV/AIDS infection. [1 mark]
P.6 • The Reproductive System
37.
How is tepid sponging useful to a casualty with high fever? [1 mark]
P.6 • Accidents and First Aid
38.
How does chlorine make water safe for drinking? [1 mark]
P.6 • Science at Home and in Our Community
39.
State any one importance of evaporation in the environment or daily life. [1 mark]
P.5 • Heat Energy
40.
State any one advantage of breast milk over commercial infant formula milk. [1 mark]
P.5 • Food and Nutrition
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