PAPER CODE: 532/1
MOCK REF: PLE-574088
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.
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
2.
State one way in which food can get contaminated with disease-causing germs in a home. [1 mark]
P.5 โข Food and Nutrition
3.
Name two methods of obtaining clean water for washing at home. [1 mark]
P.6 โข Science at Home and in Our Community
4.
The diagram below shows an animal in the group of invertebrates. (Snail diagram) Name the animal shown. [1 mark]
P.6 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.
Give a reason why a hard object (wrapped in a clean cloth) should be put in the mouth of a convulsing victim. [1 mark]
P.6 โข Accidents and First Aid
7.
Give the scientific meaning of the term skeleton. [1 mark]
P.7 โข The Muscular and Skeletal System
8.
Identify one airborne bacterial disease that affects the human skeleton. [1 mark]
P.7 โข The Muscular and Skeletal System
9.
Name any one element of Primary Health Care (PHC). [1 mark]
P.5 โข Primary Health Care (PHC)
10.
Give one safety measure to prevent electric shock in a domestic home. [1 mark]
P.6 โข Accidents and First Aid
11.
Give any one example of a dual-purpose or heavy poultry breed. [1 mark]
P.5 โข Keeping Poultry and Bees
12.
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
13.
State one way of preventing athlete's foot infection. [1 mark]
P.6 โข Personal Hygiene
14.
State one structural adaptation of a coconut fruit for water dispersal. [1 mark]
P.5 โข Plant Life
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.
How does painting an iron gate prevent it from rusting? [1 mark]
P.5 โข Types of Changes in the Environment
17.
State one reason why alcohol is preferred to mercury in minimum thermometers. [1 mark]
P.5 โข Heat Energy
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.
Name the nutritional deficiency disease caused by a severe lack of Vitamin B1 in the diet. [1 mark]
P.5 โข Food and Nutrition
20.
Why is the chin lifted backwards when giving First Aid to an unconscious casualty? [1 mark]
P.6 โข Accidents and First Aid
21.
State the function of the U-trap in a water closet (flush toilet). [1 mark]
P.6 โข Sanitation
22.
State the function of the eardrum (tympanic membrane) in the human ear. [1 mark]
P.6 โข Sound Energy
23.
Name the type of optical lens that diverges light rays. [1 mark]
P.7 โข Light Energy
24.
Name the disorder of the skeletal system where a bone moves away from its normal position at a joint. [1 mark]
P.7 โข The Muscular and Skeletal System
25.
Name any one type of latrine. [1 mark]
P.6 โข Sanitation
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 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.
27.
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?
28.
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.
29.
Structured & Practical Assessment Item
[4 MARKS]
P.7 โข Simple Machines
(a) Name the simple machine used in a windlass (water winch) for drawing water from deep wells. (1 mark)
(b) State two other practical uses of the machine named in (a). (2 marks)
(c) Name the opposing force that resists motion in simple machines. (1 mark)
30.
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)
31.
Structured & Practical Assessment Item
[4 MARKS]
P.7 โข Electricity
(a) State the difference between static electricity and current electricity.
(b) Describe how static charges are produced on a plastic ruler.
(c) State two safety precautions taken to protect tall school buildings against lightning strikes.
32.
Structured & Practical Assessment Item
[4 MARKS]
P.4 โข Soil
An experiment was carried out where equal amounts of water were poured through equal volumes of clay soil and sand soil in funnels lined with cotton wool:
(a) Which physical soil property was being investigated? (1 mark)
(b) State the role of cotton wool placed at the neck of the funnel. (1 mark)
(c) In which type of soil did water drain fastest, and give a reason why. (2 marks)
33.
Structured & Practical Assessment Item
[4 MARKS]
P.6 โข The Reproductive System
(a) State the difference between identical twins and fraternal twins in terms of fertilization.
(b) State any two physical characteristics unique to identical twins.
34.
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)
35.
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
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