PAPER CODE: 532/1
MOCK REF: PLE-400409
Uganda National Examinations Board
Primary Leaving Examination (Standard Science Mock)
INTEGRATED SCIENCE
TIME: 2h 15m
MARKS: 65
โ
CANDIDATE QUESTION PAPER โ
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) โ 25 Marks
1 Mark eachQuestion 1 to 25 carry one mark each. Answer all questions in the spaces provided.
1.
What is meant by the term balanced diet? [1 mark]
P.5 โข Food and Nutrition
2.
State one benefit of warming-up exercises to muscles before strenuous physical activities. [1 mark]
P.7 โข The Muscular and Skeletal System
3.
Name any one excretory product eliminated by the human lungs. [1 mark]
P.7 โข The Excretory System
4.
Give any one agricultural use of discarded plastic jerrycans or containers in a home. [1 mark]
P.6 โข Science at Home and in Our Community
5.
Name the parasitic disease that affects the ears of domestic rabbits. [1 mark]
P.5 โข Keeping Rabbits
6.
Name the organ in the human body responsible for thinking, intelligence, and memory. [1 mark]
P.7 โข The Nervous System
7.
State the scientific function of the screen on top of the vent pipe of a VIP latrine. [1 mark]
P.6 โข Sanitation
8.
Give any two examples of root tuber crops. [1 mark]
P.5 โข Crop Growing
9.
State the function of hooks and suckers on the scolex of a tapeworm. [1 mark]
P.6 โข Classification of Animals
10.
Name any one vital organ protected by the human rib cage. [1 mark]
P.7 โข The Muscular and Skeletal System
11.
State one structural adaptation of a coconut fruit for water dispersal. [1 mark]
P.5 โข Plant Life
12.
Name any one type of latrine. [1 mark]
P.6 โข Sanitation
13.
Give any one health benefit of regular physical exercises to the human body. [1 mark]
P.7 โข The Muscular and Skeletal System
14.
Give any one function of proteins in the human body. [1 mark]
P.4 โข Food and Nutrition
15.
State any one advantage of breast milk over commercial infant formula milk. [1 mark]
P.5 โข Food and Nutrition
16.
Name the deficiency disease caused by a severe lack of Vitamin C in the diet. [1 mark]
P.5 โข Food and Nutrition
17.
Give any one example of a dual-purpose or heavy poultry breed. [1 mark]
P.5 โข Keeping Poultry and Bees
18.
How does boiling make water safe for drinking? [1 mark]
P.6 โข Science at Home and in Our Community
19.
Why does prolonged hunger sometimes lead to fainting? [1 mark]
P.6 โข Accidents and First Aid
20.
State the scientific function of the screen (wire mesh) on top of the vent pipe of a VIP latrine. [1 mark]
P.6 โข Sanitation
21.
Why is wood ash regularly poured into the pit of a latrine or Ecosan toilet? [1 mark]
P.6 โข Sanitation
22.
Why should a farmer select healthy and viable seeds before planting? [1 mark]
P.5 โข Crop Growing
23.
State one way in which food can get contaminated with disease-causing germs in a home. [1 mark]
P.5 โข Food and Nutrition
24.
State any one primary sex characteristic in human females. [1 mark]
P.6 โข The Reproductive System
25.
State one way in which school children can help their community control the spread of malaria. [1 mark]
P.5 โข Control of Malaria
Section B: (Questions 26 to 35) โ 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 โข 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 ]
รขโ โ
|~~~~~~~~~~~~~~~| | Coarse Stones | <--- Container T \ / \ Clean Water/ \___________/
รขโ โ
[---------] | 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?
27.
Structured & Practical Assessment Item
[4 MARKS]
P.5 โข 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)
28.
Structured & Practical Assessment Item
[4 MARKS]
P.6 โข Classification of Animals
(a) State the name of insects that live and work together.
(b) Give any one way in which insects are useful to people.
(c) State any two human activities that are dangerous to insects in the environment.
29.
Structured & Practical Assessment Item
[4 MARKS]
P.5 โข The Digestive System
(a) Name the digestive liquid produced by salivary glands in the mouth. (1 mark)
(b) State two physical processes that happen to food inside the mouth during digestion. (2 marks)
(c) Name the digestive disorder characterized by difficulty in passing hard, dry stools. (1 mark)
30.
Structured & Practical Assessment Item
[4 MARKS]
P.6 โข Accidents and First Aid
(a) Why should a first aider never induce vomiting in a casualty who has swallowed paraffin or kerosene?
(b) What first aid should be given to a paraffin poisoning victim?
(c) How should a first aider manage a non-corrosive poisoning casualty?
31.
Structured & Practical Assessment Item
[4 MARKS]
P.5 โข Types of Changes in the Environment
Classify each of the following changes taking place in the environment as either a physical, chemical, or biological change:
(a) Burning dry wood into ash (1 mark)
(b) Melting of ice into water (1 mark)
(c) Growth of a puppy into an adult dog (1 mark)
(d) Evaporation of water into steam (1 mark)
32.
Structured & Practical Assessment Item
[4 MARKS]
P.4 โข 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)
33.
Structured & Practical Assessment Item
[4 MARKS]
P.7 โข 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)
34.
Structured & Practical Assessment Item
[4 MARKS]
P.5 โข 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)
35.
Structured & Practical Assessment Item
[4 MARKS]
P.7 โข The Muscular and Skeletal System
(a) Name the five regions of the human vertebral column in order from neck to tail.
(b) Give the number of vertebrae in: (i) Cervical region (ii) Lumbar region
(c) State the function of the human vertebral column.
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