PAPER CODE: 532/1
MOCK REF: PLE-241783
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.
Why should a farmer select healthy and viable seeds before planting? [1 mark]
P.5 • Crop Growing
2.
Why is a tapeworm classified as an endoparasite? [1 mark]
P.6 • Classification of Animals
3.
What happens when cooking oil is poured onto water in a glass? [1 mark]
P.5 • Matter and Energy
4.
Name the movable joint found between the atlas and axis vertebrae in the neck. [1 mark]
P.7 • The Muscular and Skeletal System
5.
Name any one vital organ protected by the human rib cage. [1 mark]
P.7 • The Muscular and Skeletal System
6.
Name any one excretory product eliminated by the human lungs. [1 mark]
P.7 • The Excretory System
7.
Give any one health benefit of regular physical exercises to the human body. [1 mark]
P.7 • The Muscular and Skeletal System
8.
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
9.
What is Primary Health Care (PHC)? [1 mark]
P.5 • Primary Health Care (PHC)
10.
State any one factor to consider when selecting a suitable site for an apiary. [1 mark]
P.5 • Keeping Poultry and Bees
11.
Why is an electric fuse constructed using a wire with a low melting point? [1 mark]
P.7 • Electricity
12.
State any one method used to identify individual livestock on a farm. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
13.
During which type of weather does water evaporate fastest from open surfaces? [1 mark]
P.4 • Weather Changes Around Us
14.
State any one danger of bottle feeding to a four-month-old baby. [1 mark]
P.5 • Food and Nutrition
15.
State the exact part of the female reproductive system where fertilization takes place. [1 mark]
P.6 • The Reproductive System
16.
Give the scientific meaning of the term skeleton. [1 mark]
P.7 • The Muscular and Skeletal System
17.
State the role of anhydrous calcium chloride in the laboratory investigation of rusting. [1 mark]
P.5 • Types of Changes in the Environment
18.
How does the Ecosan latrine promote agricultural productivity? [1 mark]
P.6 • Sanitation
19.
State the function of hairs (cilia) and mucus inside the human nostrils. [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.
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)
22.
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)
23.
State the function of the eardrum (tympanic membrane) in the human ear. [1 mark]
P.6 • Sound Energy
24.
Mention any one personal hygiene practice that prevents bad body odour. [1 mark]
P.6 • Personal Hygiene
25.
Name the main natural source of heat and light energy on earth. [1 mark]
P.4 • Energy in the Environment
26.
Name the nutritional deficiency disease caused by a severe lack of Vitamin B1 in the diet. [1 mark]
P.5 • Food and Nutrition
27.
State any one way in which the ironing of clothes is useful when cleaning clothes. [1 mark]
P.6 • Science at Home and in Our Community
28.
Why is it not advisable to burst blisters on a burnt part of the skin? [1 mark]
P.6 • Accidents and First Aid
29.
Name any one vaccine-preventable disease in Uganda that affects the liver. [1 mark]
P.5 • Primary Health Care (PHC)
30.
State one nursery bed management practice done to harden off seedlings before transplanting. [1 mark]
P.5 • Crop Growing
31.
State any one advantage of castrating male piglets not intended for breeding. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
32.
State any one function of the diaphragm during the process of breathing. [1 mark]
P.6 • The Respiratory System
33.
State any one way in which fermentation is important in our daily life. [1 mark]
P.6 • Alcohol, Smoking and Drugs
34.
Name the structure on the head of a tapeworm used for attachment to the intestinal wall. [1 mark]
P.6 • Classification of Animals
35.
State one way of preventing athlete's foot infection. [1 mark]
P.6 • Personal Hygiene
36.
Give one safety measure to prevent electric shock in a domestic home. [1 mark]
P.6 • Accidents and First Aid
37.
State one characteristic of essential drugs in Primary Health Care. [1 mark]
P.5 • Primary Health Care (PHC)
38.
State one way of increasing the electrical current produced by a bicycle dynamo. [1 mark]
P.7 • Electricity
39.
State any two ways in which washing clothes is important to human health. [1 mark]
P.6 • Science at Home and in Our Community
40.
Name the organ in the human body responsible for thinking, intelligence, and memory. [1 mark]
P.7 • The Nervous System
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 farmer noticed his goats were limping and producing a bad smell from their hooves:
(a) Which livestock disease is the farmer's herd likely suffering from? (1 mark)
(b) State the environmental condition in the goat pen that promotes this disease. (1 mark)
(c) Outline any two measures the farmer should take to control this disease. (2 marks)
42.
Structured & Practical Assessment Item
[4 MARKS]
P.5 • Keeping Poultry and Bees
(a) Name any two local mineral supplements fed to laying hens to promote the formation of strong eggshells. (2 marks)
(b) State any two management practices carried out by a poultry farmer to maintain high egg production in layers. (2 marks)
43.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • Sanitation
(a) Outline the three correct scientific steps followed when preparing Oral Rehydration Solution (ORS) locally at home. (3 marks)
(b) State the importance of administering ORS to a child suffering from severe diarrhoea. (1 mark)
44.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • Science at Home and in Our Community
Match the laundry terms in Part A with their correct scientific meanings in Part B:
Sorting
Wringing
Rinsing
Soaking
45.
Structured & Practical Assessment Item
[4 MARKS]
P.5 • Primary Health Care (PHC)
The diagram below shows a sanitary homestead structure:
(a) Name the structure described as a raised wooden rack used for drying utensils. (1 mark)
(b) Give two reasons why washed plates should be dried on this structure rather than on the ground. (2 marks)
(c) How does direct sunlight assist in the sanitation of utensils on this rack? (1 mark)
46.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • The Reproductive System
Match the reproductive structures in Part A with their correct physiological functions in Part B:
Epididymis
Scrotum
Cervix
Vas deferens
47.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • Accidents and First Aid
(a) State the difference between drowning and near drowning.
(b) Give any two common causes of near drowning.
(c) State any one way you can help save a near-drowned casualty.
48.
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)
49.
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
50.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • Science at Home and in Our Community
The diagram below shows a simple setup of making water clean. Study and use it to answer the questions that follow:
[ Water poured here ]
↓
|~~~~~~~~~~~~~~~| | Coarse Stones | <--- Container T \ / \ Clean Water/ \___________/
↓
[---------] | S | <--- Container S |_________|
(a) Name the method used above.
(b) Apart from coarse stones, name any two other local materials that can be placed in container T.
(c) Why should the clean water obtained in container S be boiled before drinking?
51.
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)
52.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • Science at Home and in Our Community
(a) Name one plant material from which local salt can be prepared at home.
(b) State the physical method used to prepare local salt from ash.
(c) Give any two ways in which the local salt prepared at home is useful to people.
53.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • Classification of Animals
(a) Name the group of worms to which each of the following belongs:
(i) Tapeworm and Liver fluke (1 mark)
(ii) Roundworm and Hookworm (1 mark)
(b) State any two ways in which parasitic worms enter the human body. (2 marks)
54.
Structured & Practical Assessment Item
[4 MARKS]
P.5 • Classification of Animals
(a) State any two general characteristics of amphibians. (2 marks)
(b) Give two differences between fish and adult amphibians. (2 marks)
55.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • The Reproductive System
(a) State the difference between identical twins and fraternal twins in terms of fertilization.
(b) State any two physical characteristics unique to identical twins.
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