PAPER CODE: 532/1
MOCK REF: PLE-979253
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 the function of the U-trap in a water closet (flush toilet). [1 mark]
P.6 • Sanitation
2.
Name the nutritional deficiency disease caused by a severe lack of Vitamin B1 in the diet. [1 mark]
P.5 • Food and Nutrition
3.
Give any one reason why a residential living house should have large windows on opposite walls. [1 mark]
P.5 • Primary Health Care (PHC)
4.
Name the deficiency disease caused by a severe lack of Vitamin C in the diet. [1 mark]
P.5 • Food and Nutrition
5.
Give any two examples of water impurities. [1 mark]
P.6 • Science at Home and in Our Community
6.
State one way in which food can get contaminated with disease-causing germs in a home. [1 mark]
P.5 • Food and Nutrition
7.
Why is the chin lifted backwards when giving First Aid to an unconscious casualty? [1 mark]
P.6 • Accidents and First Aid
8.
Which part of the human body is affected by Otalgia? [1 mark]
P.6 • Sound Energy
9.
Why should a farmer select healthy and viable seeds before planting? [1 mark]
P.5 • Crop Growing
10.
Why does sound travel fastest in solids compared to liquids and gases? [1 mark]
P.6 • Sound Energy
11.
Name the part of an insect used for balancing during flight. [1 mark]
P.6 • Classification of Animals
12.
State one way in which people can conserve non-renewable energy resources. [1 mark]
P.7 • Energy Resources in the Environment
13.
How does painting an iron gate prevent it from rusting? [1 mark]
P.5 • Types of Changes in the Environment
14.
State any one way in which fermentation is important in our daily life. [1 mark]
P.6 • Alcohol, Smoking and Drugs
15.
The diagram below shows an animal in the group of invertebrates. (Snail diagram) Name the animal shown. [1 mark]
P.6 • Classification of Animals
16.
State one way PIASCY messages help primary school pupils prevent HIV/AIDS infection. [1 mark]
P.6 • The Reproductive System
17.
Name any one vital organ protected by the human rib cage. [1 mark]
P.7 • The Muscular and Skeletal System
18.
To which class of vertebrates do snakes and lizards belong? [1 mark]
P.5 • Classification of Animals
19.
Name any one living thing that undergoes moulting in the environment. [1 mark]
P.5 • Types of Changes in the Environment
20.
Why are small gaps left between railway rails during track construction? [1 mark]
P.5 • Heat Energy
21.
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
22.
Why is wood ash regularly poured into the pit of a latrine or Ecosan toilet? [1 mark]
P.6 • Sanitation
23.
How is tepid sponging useful to a casualty with high fever? [1 mark]
P.6 • Accidents and First Aid
24.
Give any one role of water during seed germination. [1 mark]
P.5 • Plant Life
25.
State any one danger of hanging colored clothes under direct sunshine for a long time to dry. [1 mark]
P.6 • Science at Home and in Our Community
26.
What is meant by the term annual crops? [1 mark]
P.5 • Crop Growing
27.
State the minimum distance a pit latrine should be dug away from a domestic spring well or borehole. [1 mark]
P.5 • Primary Health Care (PHC)
28.
Give any one reason why a burnt or scalded part of the skin is dipped in cold water immediately. [1 mark]
P.6 • Accidents and First Aid
29.
In a food web, how do carnivorous animals obtain their energy? [1 mark]
P.6 • Environment and Food Chains
30.
Why are goats ear tagged or ear notched on a livestock farm? [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
31.
State the condition that must be present for a shadow to be formed. [1 mark]
P.7 • Light Energy
32.
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
33.
Name any one type of latrine. [1 mark]
P.6 • Sanitation
34.
How does boiling make water safe for drinking? [1 mark]
P.6 • Science at Home and in Our Community
35.
Why is it not advisable to give a convulsing or fainted person food to eat or water to drink? [1 mark]
P.6 • Accidents and First Aid
36.
Which part of a mammalian tooth contains blood vessels and nerves? [1 mark]
P.4 • The Teeth
37.
State any one primary sex characteristic in human females. [1 mark]
P.6 • The Reproductive System
38.
State any one danger of cigarette smoking to the human respiratory system. [1 mark]
P.7 • The Respiratory System
39.
In an electric circuit diagram, which instrument is always connected in series to measure electric current? [1 mark]
P.7 • Electricity
40.
State the biological function of the ciliated cells lining the fallopian tubes. [1 mark]
P.6 • The Reproductive System
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