PAPER CODE: 532/1
MOCK REF: PLE-569874
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.
In a food web, how do carnivorous animals obtain their energy? [1 mark]
P.6 • Environment and Food Chains
2.
Why are small gaps left between railway rails during track construction? [1 mark]
P.5 • Heat Energy
3.
Why is it not advisable to burst blisters on a burnt part of the skin? [1 mark]
P.6 • Accidents and First Aid
4.
Name the part of an insect used for balancing during flight. [1 mark]
P.6 • Classification of Animals
5.
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
6.
Name any one living thing that undergoes moulting in the environment. [1 mark]
P.5 • Types of Changes in the Environment
7.
Name the type of optical lens that diverges light rays. [1 mark]
P.7 • Light Energy
8.
State any two ways in which washing clothes is important to human health. [1 mark]
P.6 • Science at Home and in Our Community
9.
State one way of preventing accidental drug poisoning in young children at home. [1 mark]
P.6 • Accidents and First Aid
10.
State the structural adaptation of incisor teeth to their function. [1 mark]
P.4 • The Teeth
11.
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)
12.
Give any two examples of water impurities. [1 mark]
P.6 • Science at Home and in Our Community
13.
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
14.
State the biological function of the ciliated cells lining the fallopian tubes. [1 mark]
P.6 • The Reproductive System
15.
State one way in which people can conserve non-renewable energy resources. [1 mark]
P.7 • Energy Resources in the Environment
16.
State any one difference between an artery and a vein. [1 mark]
P.7 • The Circulatory System
17.
How does chlorine make water safe for drinking? [1 mark]
P.6 • Science at Home and in Our Community
18.
Name any one excretory product eliminated by the human lungs. [1 mark]
P.7 • The Excretory System
19.
Mention any one personal hygiene practice that prevents bad body odour. [1 mark]
P.6 • Personal Hygiene
20.
State any one primary sex characteristic in human females. [1 mark]
P.6 • The Reproductive System
21.
Give one safety measure to prevent electric shock in a domestic home. [1 mark]
P.6 • Accidents and First Aid
22.
State the reason why woolen clothes should be dried flat without wringing (twisting). [1 mark]
P.6 • Science at Home and in Our Community
23.
Why does sound travel fastest in solids compared to liquids and gases? [1 mark]
P.6 • Sound Energy
24.
State any one method used to identify individual livestock on a farm. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
25.
State one structural adaptation of a coconut fruit for water dispersal. [1 mark]
P.5 • Plant Life
26.
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
27.
Name any one type of latrine. [1 mark]
P.6 • Sanitation
28.
Name the bud found in the leaf axil of a flowering plant. [1 mark]
P.4 • Plant Life
29.
Mention any two environmental conditions necessary for viable seeds to germinate. [1 mark]
P.5 • Plant Life
30.
State any one danger of cigarette smoking to the human respiratory system. [1 mark]
P.7 • The Respiratory System
31.
To which class of vertebrates do snakes and lizards belong? [1 mark]
P.5 • Classification of Animals
32.
State one way of increasing the electrical current produced by a bicycle dynamo. [1 mark]
P.7 • Electricity
33.
How can a person doing laundry prevent colored clothes from staining white clothes? [1 mark]
P.6 • Science at Home and in Our Community
34.
Why is an electric fuse constructed using a wire with a low melting point? [1 mark]
P.7 • Electricity
35.
State one reproductive similarity between bread moulds (fungi) and ferns (plants). [1 mark]
P.5 • Fungi and Non-Flowering Plants
36.
State the scientific function of the screen on top of the vent pipe of a VIP latrine. [1 mark]
P.6 • Sanitation
37.
State the function of hairs (cilia) and mucus inside the human nostrils. [1 mark]
P.7 • The Respiratory System
38.
State one reason why a torch may fail to produce light even when it is switched on. [1 mark]
P.7 • Electricity
39.
State one way PIASCY messages help primary school pupils prevent HIV/AIDS infection. [1 mark]
P.6 • The Reproductive System
40.
Why is the drop hole of a VIP latrine left open without a lid at all times? [1 mark]
P.6 • Sanitation
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