PAPER CODE: 532/1
MOCK REF: PLE-324659
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 psychological life skill that adolescent girls can develop to safeguard themselves against early teenage pregnancies. [1 mark]
P.6 • The Reproductive System
2.
Why are small gaps left between railway rails during track construction? [1 mark]
P.5 • Heat Energy
3.
Name the bud found in the leaf axil of a flowering plant. [1 mark]
P.4 • Plant Life
4.
State one reproductive similarity between bread moulds (fungi) and ferns (plants). [1 mark]
P.5 • Fungi and Non-Flowering Plants
5.
State one reason why alcohol is preferred to mercury in minimum thermometers. [1 mark]
P.5 • Heat Energy
6.
State any one difference between an artery and a vein. [1 mark]
P.7 • The Circulatory System
7.
Give any one danger of rusting to a school farmer's tools. [1 mark]
P.5 • Types of Changes in the Environment
8.
The diagram below shows an animal in the group of invertebrates. (Snail diagram) Name the animal shown. [1 mark]
P.6 • Classification of Animals
9.
State any one advantage of breast milk over commercial infant formula milk. [1 mark]
P.5 • Food and Nutrition
10.
Name the longest and strongest bone found in the human body. [1 mark]
P.7 • The Muscular and Skeletal System
11.
How does painting an iron gate prevent it from rusting? [1 mark]
P.5 • Types of Changes in the Environment
12.
Name the community health workers who act as a frontline bridge between the village and health centres in Uganda. [1 mark]
P.5 • Primary Health Care (PHC)
13.
How does boiling make water safe for drinking? [1 mark]
P.6 • Science at Home and in Our Community
14.
State the scientific function of the screen (wire mesh) on top of the vent pipe of a VIP latrine. [1 mark]
P.6 • Sanitation
15.
What is the color code of the earth wire in a modern standard three-pin plug? [1 mark]
P.7 • Electricity
16.
Give any two examples of water impurities. [1 mark]
P.6 • Science at Home and in Our Community
17.
Name any one living thing that undergoes moulting in the environment. [1 mark]
P.5 • Types of Changes in the Environment
18.
State any one primary sex characteristic in human females. [1 mark]
P.6 • The Reproductive System
19.
Mention any two environmental conditions necessary for viable seeds to germinate. [1 mark]
P.5 • Plant Life
20.
State any one importance of evaporation in the environment or daily life. [1 mark]
P.5 • Heat Energy
21.
State the scientific function of the screen on top of the vent pipe of a VIP latrine. [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.
State the biological function of the ciliated cells lining the fallopian tubes. [1 mark]
P.6 • The Reproductive System
24.
State any one element of Primary Health Care. [1 mark]
P.5 • Primary Health Care (PHC)
25.
Why is it recommended to use clean wood ash at a tip-tap facility when soap is not available? [1 mark]
P.5 • Primary Health Care (PHC)
26.
Why does prolonged hunger sometimes lead to fainting? [1 mark]
P.6 • Accidents and First Aid
27.
To which phylum of invertebrates do insects, arachnids, and crustaceans belong? [1 mark]
P.6 • Classification of Animals
28.
State one way of increasing the electrical current produced by a bicycle dynamo. [1 mark]
P.7 • Electricity
29.
Which part of the human body is affected by Otalgia? [1 mark]
P.6 • Sound Energy
30.
Give one use of a pair of scissors or razor blade in hair grooming. [1 mark]
P.4 • Personal Hygiene
31.
Name two methods of obtaining clean water for washing at home. [1 mark]
P.6 • Science at Home and in Our Community
32.
Give one reason why copper is the preferred metal for manufacturing electrical conducting cables in domestic installations. [1 mark]
P.7 • Electricity
33.
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
34.
State the reason why woolen clothes should be dried flat without wringing (twisting). [1 mark]
P.6 • Science at Home and in Our Community
35.
State any one danger of bottle feeding to a four-month-old baby. [1 mark]
P.5 • Food and Nutrition
36.
Give one safety measure to prevent electric shock in a domestic home. [1 mark]
P.6 • Accidents and First Aid
37.
During which type of weather does water evaporate fastest from open surfaces? [1 mark]
P.4 • Weather Changes Around Us
38.
State one way of preventing athlete's foot infection. [1 mark]
P.6 • Personal Hygiene
39.
Name the organ in the human body responsible for thinking, intelligence, and memory. [1 mark]
P.7 • The Nervous System
40.
Name any one vital organ protected by the human rib cage. [1 mark]
P.7 • The Muscular and Skeletal System
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