PAPER CODE: 532/1
MOCK REF: PLE-841718
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.
Why is water obtained by the distillation method not recommended for drinking at home? [1 mark]
P.6 • Science at Home and in Our Community
2.
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
3.
Name the female parent in goat farming. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
4.
State the biological function of the ciliated cells lining the fallopian tubes. [1 mark]
P.6 • The Reproductive System
5.
How does boiling make water safe for drinking? [1 mark]
P.6 • Science at Home and in Our Community
6.
Why is an electric fuse constructed using a wire with a low melting point? [1 mark]
P.7 • Electricity
7.
Name two methods of obtaining clean water for washing at home. [1 mark]
P.6 • Science at Home and in Our Community
8.
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
9.
How does chlorine make water safe for drinking? [1 mark]
P.6 • Science at Home and in Our Community
10.
Give any one danger of rusting to a school farmer's tools. [1 mark]
P.5 • Types of Changes in the Environment
11.
Give one reason why copper is the preferred metal for manufacturing electrical conducting cables in domestic installations. [1 mark]
P.7 • Electricity
12.
Give any one reason why veterinary doctors advise farmers NEVER to open the carcass of an animal suspected to have died of Anthrax. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
13.
Identify the chemical substance used as a depolarizer in a standard dry Leclanché cell. [1 mark]
P.7 • Electricity
14.
Name the longest and strongest bone found in the human body. [1 mark]
P.7 • The Muscular and Skeletal System
15.
What scientific term describes the direct change of a solid into a gas without melting into a liquid? [1 mark]
P.5 • Types of Changes in the Environment
16.
State any one function of the diaphragm during the process of breathing. [1 mark]
P.6 • The Respiratory System
17.
State the function of the U-trap in a water closet (flush toilet). [1 mark]
P.6 • Sanitation
18.
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
19.
How does the Ecosan latrine promote agricultural productivity? [1 mark]
P.6 • Sanitation
20.
Identify one airborne bacterial disease that affects the human skeleton. [1 mark]
P.7 • The Muscular and Skeletal System
21.
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)
22.
State any one primary sex characteristic in human females. [1 mark]
P.6 • The Reproductive System
23.
Why is a pregnant mother advised to eat plenty of food rich in iron? [1 mark]
P.5 • Food and Nutrition
24.
State the reason why woolen clothes should be dried flat without wringing (twisting). [1 mark]
P.6 • Science at Home and in Our Community
25.
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
26.
Give any one reason why a residential living house should have large windows on opposite walls. [1 mark]
P.5 • Primary Health Care (PHC)
27.
What term refers to the meat obtained from an adult sheep? [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
28.
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
29.
Name the part of an insect used for balancing during flight. [1 mark]
P.6 • Classification of Animals
30.
How is the function of the anthers in a flower similar to that of the testes in a human male? [1 mark]
P.6 • The Reproductive System
31.
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
32.
How does painting an iron gate prevent it from rusting? [1 mark]
P.5 • Types of Changes in the Environment
33.
Give the scientific meaning of the term skeleton. [1 mark]
P.7 • The Muscular and Skeletal System
34.
State the exact part of the female reproductive system where fertilization takes place. [1 mark]
P.6 • The Reproductive System
35.
State the scientific function of soap in cleaning clothes. [1 mark]
P.6 • Science at Home and in Our Community
36.
How is tepid sponging useful to a casualty with high fever? [1 mark]
P.6 • Accidents and First Aid
37.
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
38.
State the function of a ligament at a movable joint. [1 mark]
P.7 • The Muscular and Skeletal System
39.
How is a burn different from a scald? [1 mark]
P.6 • Accidents and First Aid
40.
Why does prolonged hunger sometimes lead to fainting? [1 mark]
P.6 • Accidents and First Aid
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