PAPER CODE: 532/1
MOCK REF: PLE-813555
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.
Mention any two environmental conditions necessary for viable seeds to germinate. [1 mark]
P.5 โข Plant Life
2.
Why is it not advisable to give a convulsing or fainted person food to eat or water to drink? [1 mark]
P.6 โข Accidents and First Aid
3.
Name the community health workers who act as a frontline bridge between the village and health centres in Uganda. [1 mark]
P.5 โข Primary Health Care (PHC)
4.
State any one danger of hanging colored clothes under direct sunshine for a long time to dry. [1 mark]
P.6 โข Science at Home and in Our Community
5.
State the function of a ligament at a movable joint. [1 mark]
P.7 โข The Muscular and Skeletal System
6.
State the function of hairs (cilia) and mucus inside the human nostrils. [1 mark]
P.7 โข The Respiratory System
7.
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
8.
Why does the water level in a measuring cylinder rise when a stone is completely immersed in it? [1 mark]
P.5 โข Matter and Energy
9.
Name the organ in the human body responsible for thinking, intelligence, and memory. [1 mark]
P.7 โข The Nervous System
10.
What kind of water is recommended for use during tepid sponging, and why should very cold water be avoided? [1 mark]
P.6 โข Accidents and First Aid
11.
Give one way of controlling the breeding of houseflies in a homestead. [1 mark]
P.6 โข Sanitation
12.
Give any one role of water during seed germination. [1 mark]
P.5 โข Plant Life
13.
Why is a tapeworm classified as an endoparasite? [1 mark]
P.6 โข Classification of Animals
14.
State one reason why a torch may fail to produce light even when it is switched on. [1 mark]
P.7 โข Electricity
15.
Name the main natural source of heat and light energy on earth. [1 mark]
P.4 โข Energy in the Environment
16.
Why is it recommended to use clean wood ash at a tip-tap facility when soap is not available? [1 mark]
P.5 โข Primary Health Care (PHC)
17.
How does eating fresh oranges or lemons help prevent bleeding gums? [1 mark]
P.5 โข Food and Nutrition
18.
Why is the drop hole of a VIP latrine left open without a lid at all times? [1 mark]
P.6 โข Sanitation
19.
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 โข Science at Home and in Our Community
20.
Which part of a mammalian tooth contains blood vessels and nerves? [1 mark]
P.4 โข The Teeth
21.
State any one importance of evaporation in the environment or daily life. [1 mark]
P.5 โข Heat Energy
22.
Why is the burning of dry paper classified as a chemical change? [1 mark]
P.5 โข Types of Changes in the Environment
23.
Give one reason why copper is the preferred metal for manufacturing electrical conducting cables in domestic installations. [1 mark]
P.7 โข Electricity
24.
State any one way in which fermentation is important in our daily life. [1 mark]
P.6 โข Alcohol, Smoking and Drugs
25.
State one benefit of warming-up exercises to muscles before strenuous physical activities. [1 mark]
P.7 โข The Muscular and Skeletal System
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 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.
27.
Structured & Practical Assessment Item
[4 MARKS]
P.7 โข 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.
28.
Structured & Practical Assessment Item
[4 MARKS]
P.6 โข Science at Home and in Our Community
The diagram below shows a simple water purification system. Study and use it to answer the questions that follow:
Swampy water รขโโฌรขโโฌรขโยบ Filtered รขโโฌรขโโฌรขโยบ Point W รขโโฌรขโโฌรขโยบ Stored in the jerrycan
(a) Name any one activity that can be done to water at Point W.
(b) Why is swampy water filtered before being taken to Point W?
(c) State the importance of passing water through Point W.
(d) Mention any one other activity that can be done to swampy water before being taken to Point W to make it clear.
29.
Structured & Practical Assessment Item
[4 MARKS]
P.6 โข 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
30.
Structured & Practical Assessment Item
[4 MARKS]
P.6 โข 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.
31.
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)
32.
Structured & Practical Assessment Item
[4 MARKS]
P.5 โข Food and Nutrition
The table below shows two children suffering from malnutrition:
(a) Name the deficiency disease Child X is suffering from if he has swollen feet, moon face, and reddish hair. (1 mark)
(b) Name the deficiency disease Child Y is suffering from if he has extreme wasting, visible ribs, and an old person's face. (1 mark)
(c) What nutrient is severely lacking in Child X's diet? (1 mark)
(d) Give any one food you would feed Child X to cure this condition. (1 mark)
33.
Structured & Practical Assessment Item
[4 MARKS]
P.7 โข Simple Machines
A crowbar is used to lift a heavy stone with the fulcrum positioned between the load and the effort:
(a) To which class of levers does the crowbar belong? (1 mark)
(b) State the principle of moments used in levers. (1 mark)
(c) Give any two other everyday examples of machines belonging to the class of levers identified in (a). (2 marks)
34.
Structured & Practical Assessment Item
[4 MARKS]
P.6 โข The Reproductive System
(a) State the difference between vasectomy and tubal ligation as methods of family planning.
(b) Why is the use of condoms highly recommended during family planning compared to other methods?
(c) Name one natural family planning method.
35.
Structured & Practical Assessment Item
[4 MARKS]
P.5 โข 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)
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