PAPER CODE: 532/1
MOCK REF: PLE-517759
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 any one function of the diaphragm during the process of breathing. [1 mark]
P.6 • The Respiratory System
2.
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
3.
Why does prolonged hunger sometimes lead to fainting? [1 mark]
P.6 • Accidents and First Aid
4.
Why is an electric fuse constructed using a wire with a low melting point? [1 mark]
P.7 • Electricity
5.
State the biological function of the ciliated cells lining the fallopian tubes. [1 mark]
P.6 • The Reproductive System
6.
State the function of hooks and suckers on the scolex of a tapeworm. [1 mark]
P.6 • Classification of Animals
7.
Name any one element of Primary Health Care (PHC). [1 mark]
P.5 • Primary Health Care (PHC)
8.
State the function of hairs (cilia) and mucus inside the human nostrils. [1 mark]
P.7 • The Respiratory System
9.
Give a reason why a hard object (wrapped in a clean cloth) should be put in the mouth of a convulsing victim. [1 mark]
P.6 • Accidents and First Aid
10.
Name two methods of obtaining clean water for washing at home. [1 mark]
P.6 • Science at Home and in Our Community
11.
What is the color code of the earth wire in a modern standard three-pin plug? [1 mark]
P.7 • Electricity
12.
Give one reason why copper is the preferred metal for manufacturing electrical conducting cables in domestic installations. [1 mark]
P.7 • Electricity
13.
Why is the chin lifted backwards when giving First Aid to an unconscious casualty? [1 mark]
P.6 • Accidents and First Aid
14.
Why is the burning of dry paper classified as a chemical change? [1 mark]
P.5 • Types of Changes in the Environment
15.
How is a burn different from a scald? [1 mark]
P.6 • Accidents and First Aid
16.
State the scientific function of the screen (wire mesh) on top of the vent pipe of a VIP latrine. [1 mark]
P.6 • Sanitation
17.
How does the Ecosan latrine promote agricultural productivity? [1 mark]
P.6 • Sanitation
18.
Why are goats ear tagged or ear notched on a livestock farm? [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
19.
State the function of the eardrum (tympanic membrane) in the human ear. [1 mark]
P.6 • Sound Energy
20.
Name the part of an insect used for balancing during flight. [1 mark]
P.6 • Classification of Animals
21.
State one way of preventing accidental drug poisoning in young children at home. [1 mark]
P.6 • Accidents and First Aid
22.
Name the deficiency disease caused by a severe lack of Vitamin C in the diet. [1 mark]
P.5 • Food and Nutrition
23.
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
24.
State the role of anhydrous calcium chloride in the laboratory investigation of rusting. [1 mark]
P.5 • Types of Changes in the Environment
25.
Give any two examples of root tuber crops. [1 mark]
P.5 • Crop Growing
26.
State the structural adaptation of incisor teeth to their function. [1 mark]
P.4 • The Teeth
27.
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
28.
What is meant by non-renewable energy resources? [1 mark]
P.7 • Energy Resources in the Environment
29.
Name the parasitic disease that affects the ears of domestic rabbits. [1 mark]
P.5 • Keeping Rabbits
30.
What general term refers to cattle kept primarily for ploughing and pulling carts? [1 mark]
P.6 • Keeping Cattle
31.
State the scientific function of soap in cleaning clothes. [1 mark]
P.6 • Science at Home and in Our Community
32.
State the condition that must be present for a shadow to be formed. [1 mark]
P.7 • Light Energy
33.
State any one method used to identify individual livestock on a farm. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
34.
Name any one vital organ protected by the human rib cage. [1 mark]
P.7 • The Muscular and Skeletal System
35.
Why should a farmer select healthy and viable seeds before planting? [1 mark]
P.5 • Crop Growing
36.
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
37.
Name any one type of latrine. [1 mark]
P.6 • Sanitation
38.
Why is the drop hole of a VIP latrine left open without a lid at all times? [1 mark]
P.6 • Sanitation
39.
State the reason why woolen clothes should be dried flat without wringing (twisting). [1 mark]
P.6 • Science at Home and in Our Community
40.
Name the part of a cow that changes the color when a cow is on heat. [1 mark]
P.6 • Keeping Cattle
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