PAPER CODE: 532/1
MOCK REF: PLE-339054
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.
Name any one living thing that undergoes moulting in the environment. [1 mark]
P.5 • Types of Changes in the Environment
2.
Why is the burning of dry paper classified as a chemical change? [1 mark]
P.5 • Types of Changes in the Environment
3.
What term refers to the meat obtained from an adult sheep? [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
4.
Give any one reason why a burnt or scalded part of the skin is dipped in cold water immediately. [1 mark]
P.6 • Accidents and First Aid
5.
What general term refers to cattle kept primarily for ploughing and pulling carts? [1 mark]
P.6 • Keeping Cattle
6.
Why should a farmer select healthy and viable seeds before planting? [1 mark]
P.5 • Crop Growing
7.
Name the nutritional deficiency disease caused by a severe lack of Vitamin B1 in the diet. [1 mark]
P.5 • Food and Nutrition
8.
Give one effect of thick clouds in the atmosphere. [1 mark]
P.4 • Weather Changes Around Us
9.
State one way in which people can conserve non-renewable energy resources. [1 mark]
P.7 • Energy Resources in the Environment
10.
How does painting an iron gate prevent it from rusting? [1 mark]
P.5 • Types of Changes in the Environment
11.
To which class of vertebrates do snakes and lizards belong? [1 mark]
P.5 • Classification of Animals
12.
State one reason why alcohol is preferred to mercury in minimum thermometers. [1 mark]
P.5 • Heat Energy
13.
Why is wood ash regularly poured into the pit of a latrine or Ecosan toilet? [1 mark]
P.6 • Sanitation
14.
Give any one biological change that takes place in flowering plants. [1 mark]
P.5 • Types of Changes in the Environment
15.
Give any one example of a dual-purpose or heavy poultry breed. [1 mark]
P.5 • Keeping Poultry and Bees
16.
To which phylum of invertebrates do insects, arachnids, and crustaceans belong? [1 mark]
P.6 • Classification of Animals
17.
State any one danger of bottle feeding to a four-month-old baby. [1 mark]
P.5 • Food and Nutrition
18.
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
19.
State any one primary sex characteristic in human females. [1 mark]
P.6 • The Reproductive System
20.
State the structural adaptation of incisor teeth to their function. [1 mark]
P.4 • The Teeth
21.
State any one importance of evaporation in the environment or daily life. [1 mark]
P.5 • Heat Energy
22.
State one way in which food can get contaminated with disease-causing germs in a home. [1 mark]
P.5 • Food and Nutrition
23.
State one personal hygiene activity done using a nail cutter or razor blade. [1 mark]
P.4 • Personal Hygiene
24.
State the difference between sand soil and clay soil in terms of particle size. [1 mark]
P.4 • Soil
25.
State one activity a school Science Club can undertake to combat environmental deforestation. [1 mark]
P.5 • Managing Changes in the Environment
26.
Why does prolonged hunger sometimes lead to fainting? [1 mark]
P.6 • Accidents and First Aid
27.
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
28.
To which class of vertebrates do tortoises and chameleons belong? [1 mark]
P.5 • Classification of Animals
29.
Why is an electric fuse constructed using a wire with a low melting point? [1 mark]
P.7 • Electricity
30.
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
31.
How does boiling make water safe for drinking? [1 mark]
P.6 • Science at Home and in Our Community
32.
Why is a tapeworm classified as an endoparasite? [1 mark]
P.6 • Classification of Animals
33.
State the fundamental law of electrostatics concerning like and unlike charges. [1 mark]
P.7 • Electricity
34.
Why is the chin lifted backwards when giving First Aid to an unconscious casualty? [1 mark]
P.6 • Accidents and First Aid
35.
State any one advantage of castrating male piglets not intended for breeding. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
36.
Why is it recommended to use clean wood ash at a tip-tap facility when soap is not available? [1 mark]
P.5 • Primary Health Care (PHC)
37.
Why are small gaps left between railway rails during track construction? [1 mark]
P.5 • Heat Energy
38.
State one way of preventing the spread of Tuberculosis (TB). [1 mark]
P.7 • The Respiratory System
39.
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
40.
State the scientific function of the screen (wire mesh) on top of the vent pipe of a VIP latrine. [1 mark]
P.6 • Sanitation
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