PAPER CODE: 532/1
MOCK REF: PLE-353924
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.
Name any one vaccine-preventable disease in Uganda that affects the liver. [1 mark]
P.5 • Primary Health Care (PHC)
2.
Give one safety measure to prevent electric shock in a domestic home. [1 mark]
P.6 • Accidents and First Aid
3.
State one way in which people can conserve non-renewable energy resources. [1 mark]
P.7 • Energy Resources in the Environment
4.
Name the nutritional deficiency disease caused by a severe lack of Vitamin B1 in the diet. [1 mark]
P.5 • Food and Nutrition
5.
Name two methods of obtaining clean water for washing at home. [1 mark]
P.6 • Science at Home and in Our Community
6.
Name the insect vector that spreads River Blindness (Onchocerciasis) to humans. [1 mark]
P.4 • Vectors and Diseases
7.
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
8.
State one characteristic of essential drugs in Primary Health Care. [1 mark]
P.5 • Primary Health Care (PHC)
9.
State one way of increasing the electrical current produced by a bicycle dynamo. [1 mark]
P.7 • Electricity
10.
Why is wood ash regularly poured into the pit of a latrine or Ecosan toilet? [1 mark]
P.6 • Sanitation
11.
To which phylum of invertebrates do insects, arachnids, and crustaceans belong? [1 mark]
P.6 • Classification of Animals
12.
Which part of a mammalian tooth contains blood vessels and nerves? [1 mark]
P.4 • The Teeth
13.
State the function of hairs (cilia) and mucus inside the human nostrils. [1 mark]
P.7 • The Respiratory System
14.
State the role of anhydrous calcium chloride in the laboratory investigation of rusting. [1 mark]
P.5 • Types of Changes in the Environment
15.
Give one reason why a person who has fainted should be placed in a cool, open, and well-ventilated space. [1 mark]
P.6 • Accidents and First Aid
16.
Mention any two environmental conditions necessary for viable seeds to germinate. [1 mark]
P.5 • Plant Life
17.
State any one function of the diaphragm during the process of breathing. [1 mark]
P.6 • The Respiratory System
18.
State the difference between sand soil and clay soil in terms of particle size. [1 mark]
P.4 • Soil
19.
What is the color code of the earth wire in a modern standard three-pin plug? [1 mark]
P.7 • Electricity
20.
State one personal hygiene activity done using a nail cutter or razor blade. [1 mark]
P.4 • Personal Hygiene
21.
State one reason why a torch may fail to produce light even when it is switched on. [1 mark]
P.7 • Electricity
22.
Name any one vital organ protected by the human rib cage. [1 mark]
P.7 • The Muscular and Skeletal System
23.
Which part of the human body is affected by Otalgia? [1 mark]
P.6 • Sound Energy
24.
State the function of a ligament at a movable joint. [1 mark]
P.7 • The Muscular and Skeletal System
25.
State one way in which food can get contaminated with disease-causing germs in a home. [1 mark]
P.5 • Food and Nutrition
26.
Why is an insect compelled to shed its outer covering periodically during growth? [1 mark]
P.7 • The Muscular and Skeletal System
27.
Why is an electric fuse constructed using a wire with a low melting point? [1 mark]
P.7 • Electricity
28.
State any one advantage of castrating male piglets not intended for breeding. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
29.
In a food web, how do carnivorous animals obtain their energy? [1 mark]
P.6 • Environment and Food Chains
30.
Give one reason why food should be chewed properly before swallowing. [1 mark]
P.5 • The Digestive System
31.
Why is it not advisable to burst blisters on a burnt part of the skin? [1 mark]
P.6 • Accidents and First Aid
32.
Name the main natural source of heat and light energy on earth. [1 mark]
P.4 • Energy in the Environment
33.
Give any one reason why a residential living house should have large windows on opposite walls. [1 mark]
P.5 • Primary Health Care (PHC)
34.
Name any one element of Primary Health Care (PHC). [1 mark]
P.5 • Primary Health Care (PHC)
35.
State the scientific function of the screen (wire mesh) on top of the vent pipe of a VIP latrine. [1 mark]
P.6 • Sanitation
36.
State one way PIASCY messages help primary school pupils prevent HIV/AIDS infection. [1 mark]
P.6 • The Reproductive System
37.
How is a burn different from a scald? [1 mark]
P.6 • Accidents and First Aid
38.
Why is the burning of dry paper classified as a chemical change? [1 mark]
P.5 • Types of Changes in the Environment
39.
Give any one example of a dual-purpose or heavy poultry breed. [1 mark]
P.5 • Keeping Poultry and Bees
40.
What is meant by the term annual crops? [1 mark]
P.5 • Crop Growing
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