PAPER CODE: 532/1
MOCK REF: PLE-993551
Uganda National Examinations Board
Primary Leaving Examination (Standard Science Mock)
INTEGRATED SCIENCE
TIME: 2h 15m
MARKS: 40
★ 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 0 questions (0 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.
State one way of increasing the electrical current produced by a bicycle dynamo. [1 mark]
P.7 • Electricity
2.
Give any two examples of water impurities. [1 mark]
P.6 • Science at Home and in Our Community
3.
Give any one biological change that takes place in flowering plants. [1 mark]
P.5 • Types of Changes in the Environment
4.
State any one element of Primary Health Care. [1 mark]
P.5 • Primary Health Care (PHC)
5.
Give one reason why a person who has fainted should be placed in a cool, open, and well-ventilated space. [1 mark]
P.6 • Accidents and First Aid
6.
Why is the drop hole of a VIP latrine left open without a lid at all times? [1 mark]
P.6 • Sanitation
7.
State any one advantage of castrating male piglets not intended for breeding. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
8.
How can a person doing laundry prevent colored clothes from staining white clothes? [1 mark]
P.6 • Science at Home and in Our Community
9.
State any one danger of cigarette smoking to the human respiratory system. [1 mark]
P.7 • The Respiratory System
10.
Name the main natural source of heat and light energy on earth. [1 mark]
P.4 • Energy in the Environment
11.
State any one function of the diaphragm during the process of breathing. [1 mark]
P.6 • The Respiratory System
12.
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 • Accidents and First Aid
13.
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
14.
State any one way in which fermentation is important in our daily life. [1 mark]
P.6 • Alcohol, Smoking and Drugs
15.
Name any one type of latrine. [1 mark]
P.6 • Sanitation
16.
Name the longest and strongest bone found in the human body. [1 mark]
P.7 • The Muscular and Skeletal System
17.
To which class of vertebrates do tortoises and chameleons belong? [1 mark]
P.5 • Classification of Animals
18.
State one reproductive similarity between bread moulds (fungi) and ferns (plants). [1 mark]
P.5 • Fungi and Non-Flowering Plants
19.
State the reason why woolen clothes should be dried flat without wringing (twisting). [1 mark]
P.6 • Science at Home and in Our Community
20.
What scientific term is given to materials that allow light to pass through them completely? [1 mark]
P.7 • Light Energy
21.
State one way PIASCY messages help primary school pupils prevent HIV/AIDS infection. [1 mark]
P.6 • The Reproductive System
22.
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)
23.
Why is a pregnant mother advised to eat plenty of food rich in iron? [1 mark]
P.5 • Food and Nutrition
24.
Why is wood ash regularly poured into the pit of a latrine or Ecosan toilet? [1 mark]
P.6 • Sanitation
25.
How is a burn different from a scald? [1 mark]
P.6 • Accidents and First Aid
26.
Why is the burning of dry paper classified as a chemical change? [1 mark]
P.5 • Types of Changes in the Environment
27.
During which type of weather does water evaporate fastest from open surfaces? [1 mark]
P.4 • Weather Changes Around Us
28.
What is meant by the term annual crops? [1 mark]
P.5 • Crop Growing
29.
Why is a tapeworm classified as an endoparasite? [1 mark]
P.6 • Classification of Animals
30.
Name the disorder of the skeletal system where a bone moves away from its normal position at a joint. [1 mark]
P.7 • The Muscular and Skeletal System
31.
Name the part of a cow that changes the color when a cow is on heat. [1 mark]
P.6 • Keeping Cattle
32.
Name the organ in the human body responsible for thinking, intelligence, and memory. [1 mark]
P.7 • The Nervous System
33.
Give one safety measure to prevent electric shock in a domestic home. [1 mark]
P.6 • Accidents and First Aid
34.
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
35.
Name any one vaccine-preventable disease in Uganda that affects the liver. [1 mark]
P.5 • Primary Health Care (PHC)
36.
Name any one element of Primary Health Care (PHC). [1 mark]
P.5 • Primary Health Care (PHC)
37.
State any one way in which the ironing of clothes is useful when cleaning clothes. [1 mark]
P.6 • Science at Home and in Our Community
38.
To which class of vertebrates do snakes and lizards belong? [1 mark]
P.5 • Classification of Animals
39.
State one personal hygiene activity done using a nail cutter or razor blade. [1 mark]
P.4 • Personal Hygiene
40.
Give one effect of thick clouds in the atmosphere. [1 mark]
P.4 • Weather Changes Around Us
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