PAPER CODE: 532/1
MOCK REF: PLE-704878
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 the Ecosan latrine promote agricultural productivity? [1 mark]
P.6 • Sanitation
2.
Name the type of optical lens that diverges light rays. [1 mark]
P.7 • Light Energy
3.
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
4.
What happens when cooking oil is poured onto water in a glass? [1 mark]
P.5 • Matter and Energy
5.
Mention one way in which you can prevent some clothes from staining others during washing. [1 mark]
P.6 • Science at Home and in Our Community
6.
Why is the burning of dry paper classified as a chemical change? [1 mark]
P.5 • Types of Changes in the Environment
7.
State the difference between sand soil and clay soil in terms of particle size. [1 mark]
P.4 • Soil
8.
What scientific term describes the direct change of a solid into a gas without melting into a liquid? [1 mark]
P.5 • Types of Changes in the Environment
9.
Name any one vaccine-preventable disease in Uganda that affects the liver. [1 mark]
P.5 • Primary Health Care (PHC)
10.
State any one function of the diaphragm during the process of breathing. [1 mark]
P.6 • The Respiratory System
11.
How does chlorine make water safe for drinking? [1 mark]
P.6 • Science at Home and in Our Community
12.
Why are goats ear tagged or ear notched on a livestock farm? [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
13.
What scientific term is given to materials that allow light to pass through them completely? [1 mark]
P.7 • Light Energy
14.
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
15.
Why does sound travel fastest in solids compared to liquids and gases? [1 mark]
P.6 • Sound Energy
16.
Name the parasitic disease that affects the ears of domestic rabbits. [1 mark]
P.5 • Keeping Rabbits
17.
Give one use of a pair of scissors or razor blade in hair grooming. [1 mark]
P.4 • Personal Hygiene
18.
Why is it not advisable to give a convulsing or fainted person food to eat or water to drink? [1 mark]
P.6 • Accidents and First Aid
19.
Name the main natural source of heat and light energy on earth. [1 mark]
P.4 • Energy in the Environment
20.
State any one primary sex characteristic in human females. [1 mark]
P.6 • The Reproductive System
21.
State one reason why alcohol is preferred to mercury in minimum thermometers. [1 mark]
P.5 • Heat Energy
22.
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
23.
State any one importance of evaporation in the environment or daily life. [1 mark]
P.5 • Heat Energy
24.
State the condition that must be present for a shadow to be formed. [1 mark]
P.7 • Light Energy
25.
Why are small gaps left between railway rails during track construction? [1 mark]
P.5 • Heat Energy
26.
State any one danger of cigarette smoking to the human respiratory system. [1 mark]
P.7 • The Respiratory System
27.
State one way of preventing the spread of Tuberculosis (TB). [1 mark]
P.7 • The Respiratory System
28.
Which part of a mammalian tooth contains blood vessels and nerves? [1 mark]
P.4 • The Teeth
29.
Give any one danger of rusting to a school farmer's tools. [1 mark]
P.5 • Types of Changes in the Environment
30.
Give any one example of an external parasite (ectoparasite) that attacks cattle. [1 mark]
P.6 • Keeping Cattle
31.
How is a burn different from a scald? [1 mark]
P.6 • Accidents and First Aid
32.
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
33.
Give any one psychological life skill that adolescent girls can develop to safeguard themselves against early teenage pregnancies. [1 mark]
P.6 • The Reproductive System
34.
State the function of hairs (cilia) and mucus inside the human nostrils. [1 mark]
P.7 • The Respiratory System
35.
Why is water obtained by the distillation method not recommended for drinking at home? [1 mark]
P.6 • Science at Home and in Our Community
36.
State one way of preventing accidental drug poisoning in young children at home. [1 mark]
P.6 • Accidents and First Aid
37.
Give any one biological change that takes place in flowering plants. [1 mark]
P.5 • Types of Changes in the Environment
38.
How does boiling make water safe for drinking? [1 mark]
P.6 • Science at Home and in Our Community
39.
Why should a farmer select healthy and viable seeds before planting? [1 mark]
P.5 • Crop Growing
40.
Name the movable joint found between the atlas and axis vertebrae in the neck. [1 mark]
P.7 • The Muscular and Skeletal System
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