PAPER CODE: 532/1
MOCK REF: PLE-528938
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.
Name the part of an insect used for balancing during flight. [1 mark]
P.6 • Classification of Animals
2.
Name the bud found in the leaf axil of a flowering plant. [1 mark]
P.4 • Plant Life
3.
Why is the chin lifted backwards when giving First Aid to an unconscious casualty? [1 mark]
P.6 • Accidents and First Aid
4.
Why does prolonged hunger sometimes lead to fainting? [1 mark]
P.6 • Accidents and First Aid
5.
State any two ways in which washing clothes is important to human health. [1 mark]
P.6 • Science at Home and in Our Community
6.
Why is it dangerous to pour highly acidic substances or strong chemical insecticides into a pit latrine? [1 mark]
P.6 • Sanitation
7.
How is a burn different from a scald? [1 mark]
P.6 • Accidents and First Aid
8.
Give any one role of water during seed germination. [1 mark]
P.5 • Plant Life
9.
State one way PIASCY messages help primary school pupils prevent HIV/AIDS infection. [1 mark]
P.6 • The Reproductive System
10.
State any one difference between an artery and a vein. [1 mark]
P.7 • The Circulatory System
11.
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)
12.
Why is a husband and his wife advised to go for treatment together when they contract gonorrhoea? [1 mark]
P.6 • The Reproductive System
13.
Give one effect of thick clouds in the atmosphere. [1 mark]
P.4 • Weather Changes Around Us
14.
State one way in which food can get contaminated with disease-causing germs in a home. [1 mark]
P.5 • Food and Nutrition
15.
Give any one example of a dual-purpose or heavy poultry breed. [1 mark]
P.5 • Keeping Poultry and Bees
16.
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)
17.
State any one primary sex characteristic in human females. [1 mark]
P.6 • The Reproductive System
18.
State one way of preventing accidental drug poisoning in young children at home. [1 mark]
P.6 • Accidents and First Aid
19.
In an electric circuit diagram, which instrument is always connected in series to measure electric current? [1 mark]
P.7 • Electricity
20.
State the scientific function of the screen (wire mesh) on top of the vent pipe of a VIP latrine. [1 mark]
P.6 • Sanitation
21.
Mention any one personal hygiene practice that prevents bad body odour. [1 mark]
P.6 • Personal Hygiene
22.
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)
23.
Give any one example of an emotional change in adolescents. [1 mark]
P.6 • The Reproductive System
24.
What is meant by the term annual crops? [1 mark]
P.5 • Crop Growing
25.
What scientific term is given to materials that allow light to pass through them completely? [1 mark]
P.7 • Light Energy
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.5 • Food and Nutrition
Vulnerable groups have special dietary requirements:
(a) Why is a convalescent person classified as a vulnerable individual? (1 mark)
(b) Which class of food should be increased in a convalescent's diet? (1 mark)
(c) State the nutritional role of dietary roughage in human digestion. (1 mark)
(d) Name any one local food source rich in dietary roughage. (1 mark)
27.
Structured & Practical Assessment Item
[4 MARKS]
P.7 • The Muscular and Skeletal System
(a) What is a fracture?
(b) Distinguish between a simple fracture and a compound fracture.
(c) Give the main function of each of the following first aid items:
(i) Splints
(ii) Arm sling
28.
Structured & Practical Assessment Item
[4 MARKS]
P.7 • The Muscular and Skeletal System
(a) Name the two voluntary muscles found in the human upper arm.
(b) Give any one function of muscles in the human body.
(c) State any one importance of maintaining correct body posture in humans.
29.
Structured & Practical Assessment Item
[4 MARKS]
P.5 • Crop Growing
Match each crop management practice in Column A with its correct agricultural purpose in Column B:
(a) Mulching
(b) Pruning
(c) Thinning
(d) Weeding
30.
Structured & Practical Assessment Item
[4 MARKS]
P.5 • Plant Life
(a) Name the method of seed dispersal for each of the following fruits:
(i) Black jack (1 mark)
(ii) Sycamore (1 mark)
(b) State any two structural adaptations of seeds dispersed by wind. (2 marks)
31.
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.
32.
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)
33.
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)
34.
Structured & Practical Assessment Item
[4 MARKS]
P.5 • Types of Changes in the Environment
Study the experimental setups below showing nails left in four test tubes for five days:
(a) In which test tube did the nail rust fastest? (1 mark)
(b) Why didn't the nail in Test-Tube B (boiled water + oil) rust? (1 mark)
(c) What was the purpose of Test-Tube C containing anhydrous calcium chloride? (1 mark)
(d) State the two environmental conditions necessary for iron to rust. (1 mark)
35.
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)?
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