PAPER CODE: 532/1
MOCK REF: PLE-703691
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 one way of preventing the spread of Tuberculosis (TB). [1 mark]
P.7 • The Respiratory System
2.
State one way in which people can conserve non-renewable energy resources. [1 mark]
P.7 • Energy Resources in the Environment
3.
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
4.
Why are goats ear tagged or ear notched on a livestock farm? [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
5.
Name the type of optical lens that diverges light rays. [1 mark]
P.7 • Light Energy
6.
Why does sound travel fastest in solids compared to liquids and gases? [1 mark]
P.6 • Sound Energy
7.
State any one way in which fermentation is important in our daily life. [1 mark]
P.6 • Alcohol, Smoking and Drugs
8.
Give one road safety practice for pedestrians crossing a busy road. [1 mark]
P.6 • Accidents and First Aid
9.
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
10.
Give one effect of thick clouds in the atmosphere. [1 mark]
P.4 • Weather Changes Around Us
11.
The diagram below shows an animal in the group of invertebrates. (Snail diagram) Name the animal shown. [1 mark]
P.6 • Classification of Animals
12.
How can a person doing laundry prevent colored clothes from staining white clothes? [1 mark]
P.6 • Science at Home and in Our Community
13.
What scientific term is given to materials that allow light to pass through them completely? [1 mark]
P.7 • Light Energy
14.
In a food web, how do carnivorous animals obtain their energy? [1 mark]
P.6 • Environment and Food Chains
15.
Why is the drop hole of a VIP latrine left open without a lid at all times? [1 mark]
P.6 • Sanitation
16.
Give any one example of an external parasite (ectoparasite) that attacks cattle. [1 mark]
P.6 • Keeping Cattle
17.
State the role of anhydrous calcium chloride in the laboratory investigation of rusting. [1 mark]
P.5 • Types of Changes in the Environment
18.
State one personal hygiene activity done using a nail cutter or razor blade. [1 mark]
P.4 • Personal Hygiene
19.
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
20.
State one way of preventing athlete's foot infection. [1 mark]
P.6 • Personal Hygiene
21.
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
22.
Give one reason why food should be chewed properly before swallowing. [1 mark]
P.5 • The Digestive System
23.
State one reason why a torch may fail to produce light even when it is switched on. [1 mark]
P.7 • Electricity
24.
Why are small gaps left between railway rails during track construction? [1 mark]
P.5 • Heat Energy
25.
During which type of weather does water evaporate fastest from open surfaces? [1 mark]
P.4 • Weather Changes Around Us
26.
Identify the chemical substance used as a depolarizer in a standard dry Leclanché cell. [1 mark]
P.7 • Electricity
27.
State any one danger of bottle feeding to a four-month-old baby. [1 mark]
P.5 • Food and Nutrition
28.
State the scientific function of the screen on top of the vent pipe of a VIP latrine. [1 mark]
P.6 • Sanitation
29.
Which part of the human body is affected by Otalgia? [1 mark]
P.6 • Sound Energy
30.
Identify one airborne bacterial disease that affects the human skeleton. [1 mark]
P.7 • The Muscular and Skeletal System
31.
State one structural adaptation of a coconut fruit for water dispersal. [1 mark]
P.5 • Plant Life
32.
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)
33.
State the function of the eardrum (tympanic membrane) in the human ear. [1 mark]
P.6 • Sound Energy
34.
State the scientific function of soap in cleaning clothes. [1 mark]
P.6 • Science at Home and in Our Community
35.
Why is it dangerous to pour highly acidic substances or strong chemical insecticides into a pit latrine? [1 mark]
P.6 • Sanitation
36.
Name the nutritional deficiency disease caused by a severe lack of Vitamin B1 in the diet. [1 mark]
P.5 • Food and Nutrition
37.
In an electric circuit diagram, which instrument is always connected in series to measure electric current? [1 mark]
P.7 • Electricity
38.
State any one advantage of castrating male piglets not intended for breeding. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
39.
State one reason why alcohol is preferred to mercury in minimum thermometers. [1 mark]
P.5 • Heat Energy
40.
Give any one reason why a residential living house should have large windows on opposite walls. [1 mark]
P.5 • Primary Health Care (PHC)
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