PAPER CODE: 532/1
MOCK REF: PLE-684963
Uganda National Examinations Board
Primary Leaving Examination (Standard Science Mock)
INTEGRATED SCIENCE
TIME: 2h 15m
MARKS: 65
★ CANDIDATE QUESTION PAPER ★
Instructions to Candidates:
- This paper consists of two sections: Section A and Section B.
- Section A has 25 questions (25 marks). Section B has 10 questions (40 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 25) — 25 Marks
1 Mark eachQuestion 1 to 25 carry one mark each. Answer all questions in the spaces provided.
1.
What general term refers to cattle kept primarily for ploughing and pulling carts? [1 mark]
P.6 • Keeping Cattle
2.
Name any one excretory product eliminated by the human lungs. [1 mark]
P.7 • The Excretory System
3.
Identify the chemical substance used as a depolarizer in a standard dry Leclanché cell. [1 mark]
P.7 • Electricity
4.
Name the part of an insect used for balancing during flight. [1 mark]
P.6 • Classification of Animals
5.
Name the deficiency disease caused by a severe lack of Vitamin C in the diet. [1 mark]
P.5 • Food and Nutrition
6.
Why are goats ear tagged or ear notched on a livestock farm? [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
7.
Why is the chin lifted backwards when giving First Aid to an unconscious casualty? [1 mark]
P.6 • Accidents and First Aid
8.
Give any one biological change that takes place in flowering plants. [1 mark]
P.5 • Types of Changes in the Environment
9.
Why does prolonged hunger sometimes lead to fainting? [1 mark]
P.6 • Accidents and First Aid
10.
Why is it recommended to use clean wood ash at a tip-tap facility when soap is not available? [1 mark]
P.5 • Primary Health Care (PHC)
11.
State any one difference between an artery and a vein. [1 mark]
P.7 • The Circulatory System
12.
State the function of a ligament at a movable joint. [1 mark]
P.7 • The Muscular and Skeletal System
13.
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
14.
Name the movable joint found between the atlas and axis vertebrae in the neck. [1 mark]
P.7 • The Muscular and Skeletal System
15.
State one characteristic of essential drugs in Primary Health Care. [1 mark]
P.5 • Primary Health Care (PHC)
16.
Name the longest and strongest bone found in the human body. [1 mark]
P.7 • The Muscular and Skeletal System
17.
Name the main natural source of heat and light energy on earth. [1 mark]
P.4 • Energy in the Environment
18.
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
19.
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
20.
Why are small gaps left between railway rails during track construction? [1 mark]
P.5 • Heat Energy
21.
How does the Ecosan latrine promote agricultural productivity? [1 mark]
P.6 • Sanitation
22.
How does eating fresh oranges or lemons help prevent bleeding gums? [1 mark]
P.5 • Food and Nutrition
23.
Name the insect vector that spreads River Blindness (Onchocerciasis) to humans. [1 mark]
P.4 • Vectors and Diseases
24.
Give any one agricultural use of discarded plastic jerrycans or containers in a home. [1 mark]
P.6 • Science at Home and in Our Community
25.
What kind of water is recommended for use during tepid sponging, and why should very cold water be avoided? [1 mark]
P.6 • Accidents and First Aid
Section B: (Questions 26 to 35) — 40 Marks
4 Marks eachQuestion 26 to 35 carry four marks each. All answers must be written in the spaces provided.
26.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • Sound Energy
(a) Mention any one example of musical instruments in each of the groups below:
(i) String instrument
(ii) Percussion instrument
(b) Name any two methods of storing sound.
27.
Structured & Practical Assessment Item
[4 MARKS]
P.7 • The Respiratory System
(a) Name the respiratory tube that branches from the trachea into each lung. (1 mark)
(b) State the role of rings of cartilage found around the trachea. (1 mark)
(c) What happens to the following during inhalation (breathing in):
(i) The diaphragm (1 mark)
(ii) The volume of the chest cavity (1 mark)
28.
Structured & Practical Assessment Item
[4 MARKS]
P.7 • Electricity
(a) What is a short circuit?
(b) State two common causes of short circuits in residential houses.
(c) Why should water never be used to extinguish an electrical fire?
29.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • Sound Energy
Define the following scientific terms related to sound:
(a) Volume (1 mark)
(b) Pitch (1 mark)
(c) Frequency (1 mark)
(d) Echo (1 mark)
30.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • Science at Home and in Our Community
State the importance of the following steps in cleaning clothes at home:
(i) Sorting
(ii) Soaking
31.
Structured & Practical Assessment Item
[4 MARKS]
P.7 • The Muscular and Skeletal System
(a) Mention two connective tissues found at a movable joint in the human skeleton.
(b) State the difference in function between a tendon and a ligament.
(c) State any two ways in which friction is reduced at a movable joint.
32.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • Keeping Cattle
(a) Name the system of keeping cattle where animals are permanently kept and fed inside stalls. (1 mark)
(b) State any one type of organic manure obtained from cattle kept in this system. (1 mark)
(c) Give any two advantages of the cattle keeping system named in (a). (2 marks)
33.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • Accidents and First Aid
A child suddenly removed the cover of a saucepan full of boiling water. One of the child's arms was injured.
(a) Name the exact substance that injured the child.
(b) What kind of accident did the child get?
(c) State the first aid you would immediately give to the child.
(d) Give any one way in which the child would avoid the accident mentioned in (b) above.
34.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • Accidents and First Aid
(a) State any two common causes of nose bleeding (epistaxis) in children. (2 marks)
(b) State two First Aid measures given to manage a nose bleeding casualty. (2 marks)
35.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • Sanitation
(a) Give the difference between an Ordinary Pit Latrine and a VIP Latrine in terms of structural coverings.
(b) What material is used in an Ecosan latrine to dry human waste, and what is its role?
(c) State one major maintenance rule for a Water Closet (Flush Toilet) bowl.
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