PAPER CODE: 532/1
MOCK REF: PLE-636902
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 one reason why copper is the preferred metal for manufacturing electrical conducting cables in domestic installations. [1 mark]
P.7 • Electricity
2.
Why does prolonged hunger sometimes lead to fainting? [1 mark]
P.6 • Accidents and First Aid
3.
Mention any two environmental conditions necessary for viable seeds to germinate. [1 mark]
P.5 • Plant Life
4.
How does painting an iron gate prevent it from rusting? [1 mark]
P.5 • Types of Changes in the Environment
5.
State the scientific function of the screen (wire mesh) on top of the vent pipe of a VIP latrine. [1 mark]
P.6 • Sanitation
6.
State any one importance of evaporation in the environment or daily life. [1 mark]
P.5 • Heat Energy
7.
Name the type of optical lens that diverges light rays. [1 mark]
P.7 • Light Energy
8.
Give any two examples of root tuber crops. [1 mark]
P.5 • Crop Growing
9.
State the function of the U-trap in a water closet (flush toilet). [1 mark]
P.6 • Sanitation
10.
State one way in which people can conserve non-renewable energy resources. [1 mark]
P.7 • Energy Resources in the Environment
11.
State the scientific function of the screen on top of the vent pipe of a VIP latrine. [1 mark]
P.6 • Sanitation
12.
Give any one function of proteins in the human body. [1 mark]
P.4 • Food and Nutrition
13.
Give any one example of an external parasite (ectoparasite) that attacks cattle. [1 mark]
P.6 • Keeping Cattle
14.
Why are goats ear tagged or ear notched on a livestock farm? [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
15.
State the difference between sand soil and clay soil in terms of particle size. [1 mark]
P.4 • Soil
16.
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
17.
State one nursery bed management practice done to harden off seedlings before transplanting. [1 mark]
P.5 • Crop Growing
18.
Which weather condition is most suitable for solar drying harvested crops? [1 mark]
P.4 • Weather Changes Around Us
19.
Give any one role of water during seed germination. [1 mark]
P.5 • Plant Life
20.
Why is it not advisable to burst blisters on a burnt part of the skin? [1 mark]
P.6 • Accidents and First Aid
21.
State one reason why a torch may fail to produce light even when it is switched on. [1 mark]
P.7 • Electricity
22.
Why does sound travel fastest in solids compared to liquids and gases? [1 mark]
P.6 • Sound Energy
23.
Name the parasitic disease that affects the ears of domestic rabbits. [1 mark]
P.5 • Keeping Rabbits
24.
Which part of the human body is affected by Otalgia? [1 mark]
P.6 • Sound Energy
25.
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
26.
Name the part of an insect used for balancing during flight. [1 mark]
P.6 • Classification of Animals
27.
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
28.
State one way in which food can get contaminated with disease-causing germs in a home. [1 mark]
P.5 • Food and Nutrition
29.
How does eating fresh oranges or lemons help prevent bleeding gums? [1 mark]
P.5 • Food and Nutrition
30.
Name the longest and strongest bone found in the human body. [1 mark]
P.7 • The Muscular and Skeletal System
31.
Give one reason why food should be chewed properly before swallowing. [1 mark]
P.5 • The Digestive System
32.
Name any one type of latrine. [1 mark]
P.6 • Sanitation
33.
State the function of a ligament at a movable joint. [1 mark]
P.7 • The Muscular and Skeletal System
34.
State any one danger of cigarette smoking to the human respiratory system. [1 mark]
P.7 • The Respiratory System
35.
State one way of preventing the spread of Tuberculosis (TB). [1 mark]
P.7 • The Respiratory System
36.
Give the scientific meaning of the term skeleton. [1 mark]
P.7 • The Muscular and Skeletal System
37.
Name the bud found in the leaf axil of a flowering plant. [1 mark]
P.4 • Plant Life
38.
State any one primary sex characteristic in human females. [1 mark]
P.6 • The Reproductive System
39.
Identify one airborne bacterial disease that affects the human skeleton. [1 mark]
P.7 • The Muscular and Skeletal System
40.
Name the disorder of the skeletal system where a bone moves away from its normal position at a joint. [1 mark]
P.7 • The Muscular and Skeletal System
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