PAPER CODE: 532/1
MOCK REF: PLE-789310
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 any two ways in which washing clothes is important to human health. [1 mark]
P.6 โข Science at Home and in Our Community
2.
How can a person doing laundry prevent colored clothes from staining white clothes? [1 mark]
P.6 โข Science at Home and in Our Community
3.
State one reason why alcohol is preferred to mercury in minimum thermometers. [1 mark]
P.5 โข Heat Energy
4.
How does painting an iron gate prevent it from rusting? [1 mark]
P.5 โข Types of Changes in the Environment
5.
State one way PIASCY messages help primary school pupils prevent HIV/AIDS infection. [1 mark]
P.6 โข The Reproductive System
6.
What happens when cooking oil is poured onto water in a glass? [1 mark]
P.5 โข Matter and Energy
7.
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)
8.
How is tepid sponging useful to a casualty with high fever? [1 mark]
P.6 โข Accidents and First Aid
9.
Identify the chemical substance used as a depolarizer in a standard dry Leclanchรยฉ cell. [1 mark]
P.7 โข Electricity
10.
State one way of preventing accidental drug poisoning in young children at home. [1 mark]
P.6 โข Accidents and First Aid
11.
Why is an insect compelled to shed its outer covering periodically during growth? [1 mark]
P.7 โข The Muscular and Skeletal System
12.
Give one reason why copper is the preferred metal for manufacturing electrical conducting cables in domestic installations. [1 mark]
P.7 โข Electricity
13.
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
14.
Why is wood ash regularly poured into the pit of a latrine or Ecosan toilet? [1 mark]
P.6 โข Sanitation
15.
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
16.
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
17.
What general term refers to cattle kept primarily for ploughing and pulling carts? [1 mark]
P.6 โข Keeping Cattle
18.
State one reason why a torch may fail to produce light even when it is switched on. [1 mark]
P.7 โข Electricity
19.
State the scientific function of soap in cleaning clothes. [1 mark]
P.6 โข Science at Home and in Our Community
20.
Name the part of an insect used for balancing during flight. [1 mark]
P.6 โข Classification of Animals
21.
State any one primary sex characteristic in human females. [1 mark]
P.6 โข The Reproductive System
22.
Give any one example of an emotional change in adolescents. [1 mark]
P.6 โข The Reproductive System
23.
State the scientific function of the screen on top of the vent pipe of a VIP latrine. [1 mark]
P.6 โข Sanitation
24.
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
25.
State one nursery bed management practice done to harden off seedlings before transplanting. [1 mark]
P.5 โข Crop Growing
26.
Why is a tapeworm classified as an endoparasite? [1 mark]
P.6 โข Classification of Animals
27.
Give one use of a pair of scissors or razor blade in hair grooming. [1 mark]
P.4 โข Personal Hygiene
28.
Why are small gaps left between railway rails during track construction? [1 mark]
P.5 โข Heat Energy
29.
Which part of a mammalian tooth contains blood vessels and nerves? [1 mark]
P.4 โข The Teeth
30.
Which part of the human body is affected by Otalgia? [1 mark]
P.6 โข Sound Energy
31.
Why is the burning of dry paper classified as a chemical change? [1 mark]
P.5 โข Types of Changes in the Environment
32.
State one way of preventing athlete's foot infection. [1 mark]
P.6 โข Personal Hygiene
33.
Give one effect of thick clouds in the atmosphere. [1 mark]
P.4 โข Weather Changes Around Us
34.
Name the insect vector that spreads River Blindness (Onchocerciasis) to humans. [1 mark]
P.4 โข Vectors and Diseases
35.
State the role of anhydrous calcium chloride in the laboratory investigation of rusting. [1 mark]
P.5 โข Types of Changes in the Environment
36.
Give any one example of an external parasite (ectoparasite) that attacks cattle. [1 mark]
P.6 โข Keeping Cattle
37.
Mention any two environmental conditions necessary for viable seeds to germinate. [1 mark]
P.5 โข Plant Life
38.
Give the scientific meaning of the term skeleton. [1 mark]
P.7 โข The Muscular and Skeletal System
39.
State the fundamental law of electrostatics concerning like and unlike charges. [1 mark]
P.7 โข Electricity
40.
Give one safety measure to prevent electric shock in a domestic home. [1 mark]
P.6 โข Accidents and First Aid
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.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)
42.
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?
43.
Structured & Practical Assessment Item
[4 MARKS]
P.5 โข Primary Health Care (PHC)
A Ventilated Improved Pit (VIP) latrine is an improvement over an ordinary pit latrine:
(a) State the function of the tall vent pipe on a VIP latrine. (1 mark)
(b) What is the purpose of the wire fly screen placed at the top of the vent pipe? (1 mark)
(c) Give any two reasons why a VIP latrine does not smell as badly as an ordinary pit latrine. (2 marks)
44.
Structured & Practical Assessment Item
[4 MARKS]
P.6 โข Accidents and First Aid
A child suddenly removed the cover of a saucepan full of boiling water. One of the child's arms was injured.
(a) Name the exact substance that injured the child.
(b) What kind of accident did the child get?
(c) State the first aid you would immediately give to the child.
(d) Give any one way in which the child would avoid the accident mentioned in (b) above.
45.
Structured & Practical Assessment Item
[4 MARKS]
P.6 โข Alcohol, Smoking and Drugs
(a) Mention any two health hazards of heavy alcohol consumption to the human body. (2 marks)
(b) State any two social or economic effects of alcoholism to a family. (2 marks)
46.
Structured & Practical Assessment Item
[4 MARKS]
P.5 โข Crop Growing
(a) State any one danger of weeds to growing crops. (1 mark)
(b) Give any two cultural methods of controlling weeds in a garden. (2 marks)
(c) State one routine management practice carried out on climbing crops like tomatoes. (1 mark)
47.
Structured & Practical Assessment Item
[4 MARKS]
P.6 โข Keeping Cattle
(a) Name the system of keeping cattle where animals are permanently kept and fed inside stalls. (1 mark)
(b) State any one type of organic manure obtained from cattle kept in this system. (1 mark)
(c) Give any two advantages of the cattle keeping system named in (a). (2 marks)
48.
Structured & Practical Assessment Item
[4 MARKS]
P.6 โข Science at Home and in Our Community
State the importance of the following steps in cleaning clothes at home:
(i) Sorting
(ii) Soaking
49.
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?
50.
Structured & Practical Assessment Item
[4 MARKS]
P.7 โข Forestry and Agroforestry
(a) Define the term agroforestry. (1 mark)
(b) State any one characteristic of suitable tree species used in agroforestry. (1 mark)
(c) Give any two benefits of agroforestry to a farmer. (2 marks)
51.
Structured & Practical Assessment Item
[4 MARKS]
P.5 โข Classification of Animals
(a) State any two general characteristics of amphibians. (2 marks)
(b) Give two differences between fish and adult amphibians. (2 marks)
52.
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.
53.
Structured & Practical Assessment Item
[4 MARKS]
P.5 โข 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)
54.
Structured & Practical Assessment Item
[4 MARKS]
P.6 โข Accidents and First Aid
(a) Name the kind of water recommended to be used when tepid sponging a casualty of high fever.
(b) State the scientific reason why the water mentioned in (a) is used instead of very cold water.
(c) Mention any two signs of dysentery in humans.
55.
Structured & Practical Assessment Item
[4 MARKS]
P.7 โข The Respiratory System
(a) Name the gas needed for: (i) Aerobic respiration (1 mark), (ii) Produced as a waste product of respiration (1 mark)
(b) State any two dangers of violent wind in the environment. (2 marks)
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