PAPER CODE: 532/1
MOCK REF: PLE-152951
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.
To which class of vertebrates do tortoises and chameleons belong? [1 mark]
P.5 โข Classification of Animals
2.
Give one safety measure to prevent electric shock in a domestic home. [1 mark]
P.6 โข Accidents and First Aid
3.
Name the part of a cow that changes the color when a cow is on heat. [1 mark]
P.6 โข Keeping Cattle
4.
How does a tortoise protect itself from predators and danger in the environment? [1 mark]
P.5 โข Classification of Animals
5.
State the role of anhydrous calcium chloride in the laboratory investigation of rusting. [1 mark]
P.5 โข Types of Changes in the Environment
6.
State any one factor to consider when selecting a suitable site for an apiary. [1 mark]
P.5 โข Keeping Poultry and Bees
7.
Name the part of an insect used for balancing during flight. [1 mark]
P.6 โข Classification of Animals
8.
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
9.
Why does sound travel fastest in solids compared to liquids and gases? [1 mark]
P.6 โข Sound Energy
10.
State any one function of the diaphragm during the process of breathing. [1 mark]
P.6 โข The Respiratory System
11.
Identify the chemical substance used as a depolarizer in a standard dry Leclanchรยฉ cell. [1 mark]
P.7 โข Electricity
12.
State the fundamental law of electrostatics concerning like and unlike charges. [1 mark]
P.7 โข Electricity
13.
How does eating fresh oranges or lemons help prevent bleeding gums? [1 mark]
P.5 โข Food and Nutrition
14.
Name the female parent in goat farming. [1 mark]
P.5 โข Keeping Goats, Sheep, and Pigs
15.
State any one danger of cigarette smoking to the human respiratory system. [1 mark]
P.7 โข The Respiratory System
16.
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
17.
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
18.
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)
19.
Which part of the human body is affected by Otalgia? [1 mark]
P.6 โข Sound Energy
20.
State any one danger of bottle feeding to a four-month-old baby. [1 mark]
P.5 โข Food and Nutrition
21.
Why are small gaps left between railway rails during track construction? [1 mark]
P.5 โข Heat Energy
22.
Name any one vaccine-preventable disease in Uganda that affects the liver. [1 mark]
P.5 โข Primary Health Care (PHC)
23.
During which type of weather does water evaporate fastest from open surfaces? [1 mark]
P.4 โข Weather Changes Around Us
24.
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
25.
State any one difference between an artery and a vein. [1 mark]
P.7 โข The Circulatory System
26.
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
27.
How is tepid sponging useful to a casualty with high fever? [1 mark]
P.6 โข Accidents and First Aid
28.
Give one reason why food should be chewed properly before swallowing. [1 mark]
P.5 โข The Digestive System
29.
Name the bud found in the leaf axil of a flowering plant. [1 mark]
P.4 โข Plant Life
30.
Give any one function of proteins in the human body. [1 mark]
P.4 โข Food and Nutrition
31.
Why is a husband and his wife advised to go for treatment together when they contract gonorrhoea? [1 mark]
P.6 โข The Reproductive System
32.
How does painting an iron gate prevent it from rusting? [1 mark]
P.5 โข Types of Changes in the Environment
33.
Give any two examples of root tuber crops. [1 mark]
P.5 โข Crop Growing
34.
State one reproductive similarity between bread moulds (fungi) and ferns (plants). [1 mark]
P.5 โข Fungi and Non-Flowering Plants
35.
Give any two examples of water impurities. [1 mark]
P.6 โข Science at Home and in Our Community
36.
Why is the chin lifted backwards when giving First Aid to an unconscious casualty? [1 mark]
P.6 โข Accidents and First Aid
37.
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
38.
How does boiling make water safe for drinking? [1 mark]
P.6 โข Science at Home and in Our Community
39.
State any one advantage of breast milk over commercial infant formula milk. [1 mark]
P.5 โข Food and Nutrition
40.
Give any one reason why a residential living house should have large windows on opposite walls. [1 mark]
P.5 โข Primary Health Care (PHC)
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 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)
42.
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.
43.
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.
44.
Structured & Practical Assessment Item
[4 MARKS]
P.5 โข Crop Growing
Match each crop management practice in Column A with its correct agricultural purpose in Column B:
(a) Mulching
(b) Pruning
(c) Thinning
(d) Weeding
45.
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?
46.
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)
47.
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)
48.
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)
49.
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?
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.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.
52.
Structured & Practical Assessment Item
[4 MARKS]
P.5 โข Fungi and Non-Flowering Plants
(a) Name the green pigment in plant leaves that absorbs sunlight for photosynthesis. (1 mark)
(b) State one nutritional difference between ferns and mushrooms. (1 mark)
(c) Give any two other examples of non-flowering spore-producing plants apart from ferns. (2 marks)
53.
Structured & Practical Assessment Item
[4 MARKS]
P.5 โข Primary Health Care (PHC)
(a) State any two types of health information collected during a community health survey. (2 marks)
(b) Give two reasons why health surveys are important to a community. (2 marks)
54.
Structured & Practical Assessment Item
[4 MARKS]
P.6 โข The Reproductive System
Match the reproductive structures in Part A with their correct physiological functions in Part B:
Epididymis
Scrotum
Cervix
Vas deferens
55.
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)
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