PAPER CODE: 532/1
MOCK REF: PLE-695415
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.
How does boiling make water safe for drinking? [1 mark]
P.6 • 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 • Science at Home and in Our Community
3.
Why is the burning of dry paper classified as a chemical change? [1 mark]
P.5 • Types of Changes in the Environment
4.
Why are goats ear tagged or ear notched on a livestock farm? [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
5.
State any one importance of evaporation in the environment or daily life. [1 mark]
P.5 • Heat Energy
6.
What happens when cooking oil is poured onto water in a glass? [1 mark]
P.5 • Matter and Energy
7.
Give one reason why copper is the preferred metal for manufacturing electrical conducting cables in domestic installations. [1 mark]
P.7 • Electricity
8.
State one reason why alcohol is preferred to mercury in minimum thermometers. [1 mark]
P.5 • Heat Energy
9.
State any two ways in which washing clothes is important to human health. [1 mark]
P.6 • Science at Home and in Our Community
10.
The diagram below shows an animal in the group of invertebrates. (Snail diagram) Name the animal shown. [1 mark]
P.6 • Classification of Animals
11.
State any one element of Primary Health Care. [1 mark]
P.5 • Primary Health Care (PHC)
12.
State the function of the eardrum (tympanic membrane) in the human ear. [1 mark]
P.6 • Sound Energy
13.
Name the part of an insect used for balancing during flight. [1 mark]
P.6 • Classification of Animals
14.
Give any one function of proteins in the human body. [1 mark]
P.4 • Food and Nutrition
15.
Give any one reason why a residential living house should have large windows on opposite walls. [1 mark]
P.5 • Primary Health Care (PHC)
16.
During which type of weather does water evaporate fastest from open surfaces? [1 mark]
P.4 • Weather Changes Around Us
17.
State one way of preventing athlete's foot infection. [1 mark]
P.6 • Personal Hygiene
18.
Give one use of a pair of scissors or razor blade in hair grooming. [1 mark]
P.4 • Personal Hygiene
19.
Name the organ in the human body responsible for thinking, intelligence, and memory. [1 mark]
P.7 • The Nervous System
20.
Name any one living thing that undergoes moulting in the environment. [1 mark]
P.5 • Types of Changes in the Environment
21.
Why is a husband and his wife advised to go for treatment together when they contract gonorrhoea? [1 mark]
P.6 • The Reproductive System
22.
To which class of vertebrates do snakes and lizards belong? [1 mark]
P.5 • Classification of Animals
23.
Name two methods of obtaining clean water for washing at home. [1 mark]
P.6 • Science at Home and in Our Community
24.
What is meant by non-renewable energy resources? [1 mark]
P.7 • Energy Resources in the Environment
25.
State any one primary sex characteristic in human females. [1 mark]
P.6 • The Reproductive System
26.
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
27.
Name any one element of Primary Health Care (PHC). [1 mark]
P.5 • Primary Health Care (PHC)
28.
Why is a pregnant mother advised to eat plenty of food rich in iron? [1 mark]
P.5 • Food and Nutrition
29.
What is Primary Health Care (PHC)? [1 mark]
P.5 • Primary Health Care (PHC)
30.
Give any one biological change that takes place in flowering plants. [1 mark]
P.5 • Types of Changes in the Environment
31.
Why is the floor of a modern pigsty built with a gentle slope towards the drainage channel? [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
32.
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
33.
What is meant by the term balanced diet? [1 mark]
P.5 • Food and Nutrition
34.
Give the scientific meaning of the term skeleton. [1 mark]
P.7 • The Muscular and Skeletal System
35.
Why does prolonged hunger sometimes lead to fainting? [1 mark]
P.6 • Accidents and First Aid
36.
State any one difference between an artery and a vein. [1 mark]
P.7 • The Circulatory System
37.
Name the main natural source of heat and light energy on earth. [1 mark]
P.4 • Energy in the Environment
38.
Why is wood ash regularly poured into the pit of a latrine or Ecosan toilet? [1 mark]
P.6 • Sanitation
39.
State one reproductive similarity between bread moulds (fungi) and ferns (plants). [1 mark]
P.5 • Fungi and Non-Flowering Plants
40.
Which part of a mammalian tooth contains blood vessels and nerves? [1 mark]
P.4 • The Teeth
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