PAPER CODE: 532/1
MOCK REF: PLE-151430
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.
Give any one example of an emotional change in adolescents. [1 mark]
P.6 • The Reproductive System
2.
The diagram below shows an animal in the group of invertebrates. (Snail diagram) Name the animal shown. [1 mark]
P.6 • Classification of Animals
3.
State any two ways in which washing clothes is important to human health. [1 mark]
P.6 • Science at Home and in Our Community
4.
Give any one psychological life skill that adolescent girls can develop to safeguard themselves against early teenage pregnancies. [1 mark]
P.6 • The Reproductive System
5.
State one reason why a torch may fail to produce light even when it is switched on. [1 mark]
P.7 • Electricity
6.
State the reason why woolen clothes should be dried flat without wringing (twisting). [1 mark]
P.6 • Science at Home and in Our Community
7.
State the role of anhydrous calcium chloride in the laboratory investigation of rusting. [1 mark]
P.5 • Types of Changes in the Environment
8.
Name the deficiency disease caused by a severe lack of Vitamin C in the diet. [1 mark]
P.5 • Food and Nutrition
9.
State any one factor to consider when selecting a suitable site for an apiary. [1 mark]
P.5 • Keeping Poultry and Bees
10.
Give any two examples of water impurities. [1 mark]
P.6 • Science at Home and in Our Community
11.
Give one reason why copper is the preferred metal for manufacturing electrical conducting cables in domestic installations. [1 mark]
P.7 • Electricity
12.
Name the part of a cow that changes the color when a cow is on heat. [1 mark]
P.6 • Keeping Cattle
13.
Why is a pregnant mother advised to eat plenty of food rich in iron? [1 mark]
P.5 • Food and Nutrition
14.
State the function of a ligament at a movable joint. [1 mark]
P.7 • The Muscular and Skeletal System
15.
Name the movable joint found between the atlas and axis vertebrae in the neck. [1 mark]
P.7 • The Muscular and Skeletal System
16.
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)
17.
To which class of vertebrates do snakes and lizards belong? [1 mark]
P.5 • Classification of Animals
18.
Name the community health workers who act as a frontline bridge between the village and health centres in Uganda. [1 mark]
P.5 • Primary Health Care (PHC)
19.
How is the function of the anthers in a flower similar to that of the testes in a human male? [1 mark]
P.6 • The Reproductive System
20.
How does the Ecosan latrine promote agricultural productivity? [1 mark]
P.6 • Sanitation
21.
State one way in which school children can help their community control the spread of malaria. [1 mark]
P.5 • Control of Malaria
22.
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 • Keeping Goats, Sheep, and Pigs
23.
State any one advantage of breast milk over commercial infant formula milk. [1 mark]
P.5 • Food and Nutrition
24.
Name any one type of latrine. [1 mark]
P.6 • Sanitation
25.
Name any one excretory product eliminated by the human lungs. [1 mark]
P.7 • The Excretory System
26.
State any one advantage of castrating male piglets not intended for breeding. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
27.
Name the insect vector that spreads River Blindness (Onchocerciasis) to humans. [1 mark]
P.4 • Vectors and Diseases
28.
Give any one danger of rusting to a school farmer's tools. [1 mark]
P.5 • Types of Changes in the Environment
29.
Give any one role of water during seed germination. [1 mark]
P.5 • Plant Life
30.
To which class of vertebrates do tortoises and chameleons belong? [1 mark]
P.5 • Classification of Animals
31.
Name two methods of obtaining clean water for washing at home. [1 mark]
P.6 • Science at Home and in Our Community
32.
Name the farm structure used to hold cattle or goats firmly during hand spraying, drenching, or vaccination. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
33.
Name the female parent in goat farming. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
34.
How does a tortoise protect itself from predators and danger in the environment? [1 mark]
P.5 • Classification of Animals
35.
Why are goats ear tagged or ear notched on a livestock farm? [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
36.
What is the color code of the earth wire in a modern standard three-pin plug? [1 mark]
P.7 • Electricity
37.
How is a burn different from a scald? [1 mark]
P.6 • Accidents and First Aid
38.
State one way PIASCY messages help primary school pupils prevent HIV/AIDS infection. [1 mark]
P.6 • The Reproductive System
39.
Give one safety measure to prevent electric shock in a domestic home. [1 mark]
P.6 • Accidents and First Aid
40.
Name the parasitic disease that affects the ears of domestic rabbits. [1 mark]
P.5 • Keeping Rabbits
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.6 • Sound Energy
(a) Mention any one example of musical instruments in each of the groups below:
(i) String instrument
(ii) Percussion instrument
(b) Name any two methods of storing sound.
42.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • 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.
43.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • Accidents and First Aid
(a) State any two common causes of nose bleeding (epistaxis) in children. (2 marks)
(b) State two First Aid measures given to manage a nose bleeding casualty. (2 marks)
44.
Structured & Practical Assessment Item
[4 MARKS]
P.7 • Light Energy
When white light passes through a triangular glass prism, it splits into a spectrum of seven colors:
(a) Name the first and last colors of the visible light spectrum: (i) Color between red and yellow (1 mark), (ii) Color with the shortest wavelength at the bottom (1 mark)
(b) Why do the different colors of white light refract at different angles through the prism? (1 mark)
(c) How is a natural rainbow formed in the sky? (1 mark)
45.
Structured & Practical Assessment Item
[4 MARKS]
P.4 • Vectors and Diseases
(a) Name the insect vector that spreads Sleeping Sickness (Trypanosomiasis) to humans. (1 mark)
(b) Which developmental stage of a housefly causes food contamination? (1 mark)
(c) What do adult female tsetse flies and female anopheles mosquitoes feed on? (1 mark)
(d) How does an infected mosquito transmit malaria parasites to humans? (1 mark)
46.
Structured & Practical Assessment Item
[4 MARKS]
P.5 • Plant Life
(a) Name the method of seed dispersal for each of the following fruits:
(i) Black jack (1 mark)
(ii) Sycamore (1 mark)
(b) State any two structural adaptations of seeds dispersed by wind. (2 marks)
47.
Structured & Practical Assessment Item
[4 MARKS]
P.5 • 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)
48.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • 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)
49.
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)
50.
Structured & Practical Assessment Item
[4 MARKS]
P.7 • Forestry and Agroforestry
(a) State any two factors to consider when choosing a site for establishing a school woodlot. (2 marks)
(b) Give any two economic benefits of a school woodlot to the community. (2 marks)
51.
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?
52.
Structured & Practical Assessment Item
[4 MARKS]
P.5 • Types of Changes in the Environment
A Primary 5 pupil heated a tin can with water, sealed it tightly, and poured cold water on it.
(a) What happened to the tin can? (1 mark)
(b) Explain why that happened to the can. (2 marks)
(c) Which physical state transition occurred inside the can? (1 mark)
53.
Structured & Practical Assessment Item
[4 MARKS]
P.7 • 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)
54.
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)
55.
Structured & Practical Assessment Item
[4 MARKS]
P.7 • The Muscular and Skeletal System
(a) Mention two connective tissues found at a movable joint in the human skeleton.
(b) State the difference in function between a tendon and a ligament.
(c) State any two ways in which friction is reduced at a movable joint.
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