PAPER CODE: 532/1
MOCK REF: PLE-854043
Uganda National Examinations Board
Primary Leaving Examination (Standard Science Mock)
INTEGRATED SCIENCE
TIME: 2h 15m
MARKS: 100
★ 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 15 questions (60 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 one way of preventing the spread of Tuberculosis (TB). [1 mark]
P.7 • The Respiratory System
2.
State one way of increasing the electrical current produced by a bicycle dynamo. [1 mark]
P.7 • Electricity
3.
State the structural adaptation of incisor teeth to their function. [1 mark]
P.4 • The Teeth
4.
State any one difference between an artery and a vein. [1 mark]
P.7 • The Circulatory System
5.
What is meant by the term annual crops? [1 mark]
P.5 • Crop Growing
6.
Which part of a mammalian tooth contains blood vessels and nerves? [1 mark]
P.4 • The Teeth
7.
How does the Ecosan latrine promote agricultural productivity? [1 mark]
P.6 • Sanitation
8.
State any one importance of evaporation in the environment or daily life. [1 mark]
P.5 • Heat Energy
9.
What term refers to the meat obtained from an adult sheep? [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
10.
In an electric circuit diagram, which instrument is always connected in series to measure electric current? [1 mark]
P.7 • Electricity
11.
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
12.
How does a tortoise protect itself from predators and danger in the environment? [1 mark]
P.5 • Classification of Animals
13.
Why is a pregnant mother advised to eat plenty of food rich in iron? [1 mark]
P.5 • Food and Nutrition
14.
Why is the drop hole of a VIP latrine left open without a lid at all times? [1 mark]
P.6 • Sanitation
15.
Name the deficiency disease caused by a severe lack of Vitamin C in the diet. [1 mark]
P.5 • Food and Nutrition
16.
Name the female parent in goat farming. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
17.
Name any one element of Primary Health Care (PHC). [1 mark]
P.5 • Primary Health Care (PHC)
18.
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)
19.
State any one danger of cigarette smoking to the human respiratory system. [1 mark]
P.7 • The Respiratory System
20.
State the biological function of the ciliated cells lining the fallopian tubes. [1 mark]
P.6 • The Reproductive System
21.
Name the movable joint found between the atlas and axis vertebrae in the neck. [1 mark]
P.7 • The Muscular and Skeletal System
22.
Name the bud found in the leaf axil of a flowering plant. [1 mark]
P.4 • Plant Life
23.
Which weather condition is most suitable for solar drying harvested crops? [1 mark]
P.4 • Weather Changes Around Us
24.
State the difference between sand soil and clay soil in terms of particle size. [1 mark]
P.4 • Soil
25.
How can a person doing laundry prevent colored clothes from staining white clothes? [1 mark]
P.6 • Science at Home and in Our Community
26.
State any one element of Primary Health Care. [1 mark]
P.5 • Primary Health Care (PHC)
27.
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
28.
Why is a tapeworm classified as an endoparasite? [1 mark]
P.6 • Classification of Animals
29.
Give any one function of proteins in the human body. [1 mark]
P.4 • Food and Nutrition
30.
State one way PIASCY messages help primary school pupils prevent HIV/AIDS infection. [1 mark]
P.6 • The Reproductive System
31.
Give one road safety practice for pedestrians crossing a busy road. [1 mark]
P.6 • Accidents and First Aid
32.
Why is an insect compelled to shed its outer covering periodically during growth? [1 mark]
P.7 • The Muscular and Skeletal System
33.
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)
34.
Give one reason why food should be chewed properly before swallowing. [1 mark]
P.5 • The Digestive System
35.
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
36.
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
37.
Name any one vaccine-preventable disease in Uganda that affects the liver. [1 mark]
P.5 • Primary Health Care (PHC)
38.
Give any one example of an emotional change in adolescents. [1 mark]
P.6 • The Reproductive System
39.
State one way in which people can conserve non-renewable energy resources. [1 mark]
P.7 • Energy Resources in the Environment
40.
State the scientific function of soap in cleaning clothes. [1 mark]
P.6 • Science at Home and in Our Community
Section B: (Questions 41 to 55) — 60 Marks
4 Marks eachQuestion 41 to 55 carry four marks each. All answers must be written in the spaces provided.
41.
Structured & Practical Assessment Item
[4 MARKS]
P.5 • Keeping Goats, Sheep, and Pigs
(a) Name any one exotic breed of dairy goats. (1 mark)
(b) Name the commercial textile product obtained from Angora goats. (1 mark)
(c) State any two advantages of keeping goats over keeping cattle. (2 marks)
42.
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.
43.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • Sanitation
(a) Give the meaning of each of the following terms:
(i) Sanitation (1 mark)
(ii) Personal hygiene (1 mark)
(b) State any two human activities done to maintain proper sanitation in a school compound. (2 marks)
44.
Structured & Practical Assessment Item
[4 MARKS]
P.5 • Keeping Goats, Sheep, and Pigs
Livestock breeds have different commercial adaptations:
(a) Name the exotic goat breed kept primarily for high milk production. (1 mark)
(b) Which sheep breed is world-famous for producing fine wool? (1 mark)
(c) Give any two reasons why local indigenous goats like the Small East African goat are preferred by subsistence farmers. (2 marks)
45.
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)
46.
Structured & Practical Assessment Item
[4 MARKS]
P.7 • The Circulatory System
(a) Name the main blood vessel that brings deoxygenated blood from body tissues to the right atrium of the heart. (1 mark)
(b) Which type of blood is carried by the pulmonary vein? (1 mark)
(c) State any two structural adaptations of arteries to their function. (2 marks)
47.
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?
48.
Structured & Practical Assessment Item
[4 MARKS]
P.5 • Keeping Goats, Sheep, and Pigs
The diagram below represents housing and management in goat farming:
(a) State the role of guard rails in a farrowing pen. (1 mark)
(b) Why should the floor of a goat shed be made of wooden slats raised off the ground? (1 mark)
(c) Name any two routine operations carried out in a livestock crush. (2 marks)
49.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • Science at Home and in Our Community
Name the step used in cleaning clothes that:
(a) Removes excess water from the clothes.
(b) Removes soapy water from the washed garments.
50.
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
51.
Structured & Practical Assessment Item
[4 MARKS]
P.7 • Simple Machines
(a) Name the simple machine used in a windlass (water winch) for drawing water from deep wells. (1 mark)
(b) State two other practical uses of the machine named in (a). (2 marks)
(c) Name the opposing force that resists motion in simple machines. (1 mark)
52.
Structured & Practical Assessment Item
[4 MARKS]
P.7 • Electricity
The diagram represents a simple dry cell:
(a) Name the parts marked:
(i) Outer metal casing
(ii) Central black rod
(b) What is the function of the ammonium chloride paste?
(c) Why does a dry cell eventually lose power (go flat)?
53.
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.
54.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • Sanitation
(a) State any two poor sanitation conditions in a school compound that can encourage the breeding of disease vectors. (2 marks)
(b) Name any two vector-borne or water-borne diseases that can break out as a result of the poor conditions in (a). (2 marks)
55.
Structured & Practical Assessment Item
[4 MARKS]
P.4 • Soil
An experiment was carried out where equal amounts of water were poured through equal volumes of clay soil and sand soil in funnels lined with cotton wool:
(a) Which physical soil property was being investigated? (1 mark)
(b) State the role of cotton wool placed at the neck of the funnel. (1 mark)
(c) In which type of soil did water drain fastest, and give a reason why. (2 marks)
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