PAPER CODE: 532/1
MOCK REF: PLE-644097
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.
To which class of vertebrates do snakes and lizards belong? [1 mark]
P.5 • Classification of Animals
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.
Give any one function of proteins in the human body. [1 mark]
P.4 • Food and Nutrition
4.
Name the parasitic disease that affects the ears of domestic rabbits. [1 mark]
P.5 • Keeping Rabbits
5.
State the function of the eardrum (tympanic membrane) in the human ear. [1 mark]
P.6 • Sound Energy
6.
Why is a tapeworm classified as an endoparasite? [1 mark]
P.6 • Classification of Animals
7.
In an electric circuit diagram, which instrument is always connected in series to measure electric current? [1 mark]
P.7 • Electricity
8.
Why is an electric fuse constructed using a wire with a low melting point? [1 mark]
P.7 • Electricity
9.
Why does prolonged hunger sometimes lead to fainting? [1 mark]
P.6 • Accidents and First Aid
10.
State the function of a ligament at a movable joint. [1 mark]
P.7 • The Muscular and Skeletal System
11.
State any one importance of evaporation in the environment or daily life. [1 mark]
P.5 • Heat Energy
12.
The diagram below shows an animal in the group of invertebrates. (Snail diagram) Name the animal shown. [1 mark]
P.6 • Classification of Animals
13.
Why is a husband and his wife advised to go for treatment together when they contract gonorrhoea? [1 mark]
P.6 • The Reproductive System
14.
How does painting an iron gate prevent it from rusting? [1 mark]
P.5 • Types of Changes in the Environment
15.
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
16.
State any one primary sex characteristic in human females. [1 mark]
P.6 • The Reproductive System
17.
State one way in which people can conserve non-renewable energy resources. [1 mark]
P.7 • Energy Resources in the Environment
18.
During which type of weather does water evaporate fastest from open surfaces? [1 mark]
P.4 • Weather Changes Around Us
19.
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
20.
State any one difference between an artery and a vein. [1 mark]
P.7 • The Circulatory System
21.
Name the part of a cow that changes the color when a cow is on heat. [1 mark]
P.6 • Keeping Cattle
22.
Give one reason why copper is the preferred metal for manufacturing electrical conducting cables in domestic installations. [1 mark]
P.7 • Electricity
23.
Which part of the human body is affected by Otalgia? [1 mark]
P.6 • Sound Energy
24.
Which part of a mammalian tooth contains blood vessels and nerves? [1 mark]
P.4 • The Teeth
25.
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
26.
How does the Ecosan latrine promote agricultural productivity? [1 mark]
P.6 • Sanitation
27.
Why is it raised legs that are required when giving first aid to a person who has fainted? [1 mark]
P.6 • Accidents and First Aid
28.
State the difference between sand soil and clay soil in terms of particle size. [1 mark]
P.4 • Soil
29.
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
30.
State any one advantage of breast milk over commercial infant formula milk. [1 mark]
P.5 • Food and Nutrition
31.
Give any one example of an external parasite (ectoparasite) that attacks cattle. [1 mark]
P.6 • Keeping Cattle
32.
Why is it dangerous to pour highly acidic substances or strong chemical insecticides into a pit latrine? [1 mark]
P.6 • Sanitation
33.
State any one danger of hanging colored clothes under direct sunshine for a long time to dry. [1 mark]
P.6 • Science at Home and in Our Community
34.
State the condition that must be present for a shadow to be formed. [1 mark]
P.7 • Light Energy
35.
Give any one example of an emotional change in adolescents. [1 mark]
P.6 • The Reproductive System
36.
State any one advantage of castrating male piglets not intended for breeding. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
37.
State any one method used to identify individual livestock on a farm. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
38.
Name the organ in the human body responsible for thinking, intelligence, and memory. [1 mark]
P.7 • The Nervous System
39.
State the function of the U-trap in a water closet (flush toilet). [1 mark]
P.6 • Sanitation
40.
Why is the burning of dry paper classified as a chemical change? [1 mark]
P.5 • Types of Changes in the Environment
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