PAPER CODE: 532/1
MOCK REF: PLE-272628
Uganda National Examinations Board
Primary Leaving Examination (Standard Science Mock)
INTEGRATED SCIENCE
TIME: 2h 15m
MARKS: 100
โ
CANDIDATE QUESTION PAPER โ
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) โ 40 Marks
1 Mark eachQuestion 1 to 40 carry one mark each. Answer all questions in the spaces provided.
1.
State the biological function of the ciliated cells lining the fallopian tubes. [1 mark]
P.6 โข The Reproductive System
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.
State the scientific function of soap in cleaning clothes. [1 mark]
P.6 โข Science at Home and in Our Community
4.
Why is the floor of a modern pigsty built with a gentle slope towards the drainage channel? [1 mark]
P.5 โข Keeping Goats, Sheep, and Pigs
5.
State the minimum distance a pit latrine should be dug away from a domestic spring well or borehole. [1 mark]
P.5 โข Primary Health Care (PHC)
6.
What scientific term describes the direct change of a solid into a gas without melting into a liquid? [1 mark]
P.5 โข Types of Changes in the Environment
7.
Which part of the human body is affected by Otalgia? [1 mark]
P.6 โข Sound Energy
8.
Why is the burning of dry paper classified as a chemical change? [1 mark]
P.5 โข Types of Changes in the Environment
9.
Give one reason why copper is the preferred metal for manufacturing electrical conducting cables in domestic installations. [1 mark]
P.7 โข Electricity
10.
Why is it dangerous to pour highly acidic substances or strong chemical insecticides into a pit latrine? [1 mark]
P.6 โข Sanitation
11.
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)
12.
State any one way in which the ironing of clothes is useful when cleaning clothes. [1 mark]
P.6 โข Science at Home and in Our Community
13.
How does boiling make water safe for drinking? [1 mark]
P.6 โข Science at Home and in Our Community
14.
Name the part of a cow that changes the color when a cow is on heat. [1 mark]
P.6 โข Keeping Cattle
15.
Give the scientific meaning of the term skeleton. [1 mark]
P.7 โข The Muscular and Skeletal System
16.
Why is the drop hole of a VIP latrine left open without a lid at all times? [1 mark]
P.6 โข Sanitation
17.
In an electric circuit diagram, which instrument is always connected in series to measure electric current? [1 mark]
P.7 โข Electricity
18.
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
19.
Why is it raised legs that are required when giving first aid to a person who has fainted? [1 mark]
P.6 โข Accidents and First Aid
20.
Why is it not advisable to burst blisters on a burnt part of the skin? [1 mark]
P.6 โข Accidents and First Aid
21.
What is meant by the term balanced diet? [1 mark]
P.5 โข Food and Nutrition
22.
What is Primary Health Care (PHC)? [1 mark]
P.5 โข Primary Health Care (PHC)
23.
Give any one reason why veterinary doctors advise farmers NEVER to open the carcass of an animal suspected to have died of Anthrax. [1 mark]
P.5 โข Keeping Goats, Sheep, and Pigs
24.
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
25.
Give any one psychological life skill that adolescent girls can develop to safeguard themselves against early teenage pregnancies. [1 mark]
P.6 โข The Reproductive System
26.
State the scientific function of the screen on top of the vent pipe of a VIP latrine. [1 mark]
P.6 โข Sanitation
27.
State any one way in which fermentation is important in our daily life. [1 mark]
P.6 โข Alcohol, Smoking and Drugs
28.
Why is water obtained by the distillation method not recommended for drinking at home? [1 mark]
P.6 โข Science at Home and in Our Community
29.
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
30.
Give any one reason why a burnt or scalded part of the skin is dipped in cold water immediately. [1 mark]
P.6 โข Accidents and First Aid
31.
Identify the chemical substance used as a depolarizer in a standard dry Leclanchรยฉ cell. [1 mark]
P.7 โข Electricity
32.
Name the part of an insect used for balancing during flight. [1 mark]
P.6 โข Classification of Animals
33.
Name any one living thing that undergoes moulting in the environment. [1 mark]
P.5 โข Types of Changes in the Environment
34.
How is the function of the anthers in a flower similar to that of the testes in a human male? [1 mark]
P.6 โข The Reproductive System
35.
State the exact part of the female reproductive system where fertilization takes place. [1 mark]
P.6 โข The Reproductive System
36.
State the reason why woolen clothes should be dried flat without wringing (twisting). [1 mark]
P.6 โข Science at Home and in Our Community
37.
Name the longest and strongest bone found in the human body. [1 mark]
P.7 โข The Muscular and Skeletal System
38.
How does painting an iron gate prevent it from rusting? [1 mark]
P.5 โข Types of Changes in the Environment
39.
State any one advantage of castrating male piglets not intended for breeding. [1 mark]
P.5 โข Keeping Goats, Sheep, and Pigs
40.
How does chlorine make water safe for drinking? [1 mark]
P.6 โข Science at Home and in Our Community
Section B: (Questions 41 to 55) โ 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.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.
42.
Structured & Practical Assessment Item
[4 MARKS]
P.6 โข Sanitation
(a) Give the difference between an Ordinary Pit Latrine and a VIP Latrine in terms of structural coverings.
(b) What material is used in an Ecosan latrine to dry human waste, and what is its role?
(c) State one major maintenance rule for a Water Closet (Flush Toilet) bowl.
43.
Structured & Practical Assessment Item
[4 MARKS]
P.6 โข 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.
44.
Structured & Practical Assessment Item
[4 MARKS]
P.5 โข 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)
45.
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.
46.
Structured & Practical Assessment Item
[4 MARKS]
P.7 โข 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?
47.
Structured & Practical Assessment Item
[4 MARKS]
P.5 โข Food and Nutrition
(a) What is colostrum? (1 mark)
(b) State two benefits of colostrum to a newborn infant. (2 marks)
(c) Name the condition that results from a severe lack of Iodine in the diet. (1 mark)
48.
Structured & Practical Assessment Item
[4 MARKS]
P.5 โข Food and Nutrition
Weaning is an important milestone in infant growth:
(a) Define the term weaning. (1 mark)
(b) At what age should weaning start? (1 mark)
(c) Why should weaning NOT start earlier than this recommended age? (1 mark)
(d) State one danger of feeding a weaning child on plain maize porridge without enriching it. (1 mark)
49.
Structured & Practical Assessment Item
[4 MARKS]
P.6 โข Science at Home and in Our Community
(a) What is meant by the term silting?
(b) State the major cause of silting in water bodies.
(c) Apart from killing fish, give one way in which silting affects aquatic life.
50.
Structured & Practical Assessment Item
[4 MARKS]
P.6 โข The Reproductive System
(a) Write down any two disorders that affect the male reproductive system.
(b) State any one advantage of child spacing to a mother in a family.
(c) Give any one reason why females are highly affected by HIV/AIDS during intercourse.
51.
Structured & Practical Assessment Item
[4 MARKS]
P.7 โข The Muscular and Skeletal System
The diagram below illustrates a Primary 7 wooden teaching arm model:
[Upper Wood] connected by a [Hinge] to [Lower Wood], with [Cord] and [Rubber Band].
(a) Which bone in the human arm is represented by the upper wood?
(b) Name the muscle represented by: (i) Cord (ii) Rubber band
(c) What anatomical joint is represented by the hinge?
52.
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?
53.
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.
54.
Structured & Practical Assessment Item
[4 MARKS]
P.6 โข Sanitation
Study the waste transmission elements below and answer the questions that follow:
Faeces รขโโฌรขโโฌรขโยบ Vector (Fly) รขโโฌรขโโฌรขโยบ Food รขโโฌรขโโฌรขโยบ Fingers รขโโฌรขโโฌรขโยบ Healthy Person
(a) What scientific name is given to the disease-spreading pathway shown above?
(b) Give any two examples of communicable diarrhoeal diseases spread through this pathway.
(c) State any one physical activity done at home to block vectors from accessing Food.
55.
Structured & Practical Assessment Item
[4 MARKS]
P.6 โข Sanitation
(a) What physical condition results when a patient passes out watery stools many times a day?
(b) State two physical signs of the condition mentioned in (a) above.
(c) What first aid treatment is given to a victim of the condition in (a) to restore balance?
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