PAPER CODE: 532/1
MOCK REF: PLE-293691
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 the difference between sand soil and clay soil in terms of particle size. [1 mark]
P.4 • Soil
2.
Name the main natural source of heat and light energy on earth. [1 mark]
P.4 • Energy in the Environment
3.
State one personal hygiene activity done using a nail cutter or razor blade. [1 mark]
P.4 • Personal Hygiene
4.
To which class of vertebrates do snakes and lizards belong? [1 mark]
P.5 • Classification of Animals
5.
State any one factor to consider when selecting a suitable site for an apiary. [1 mark]
P.5 • Keeping Poultry and Bees
6.
State any one advantage of breast milk over commercial infant formula milk. [1 mark]
P.5 • Food and Nutrition
7.
State the exact part of the female reproductive system where fertilization takes place. [1 mark]
P.6 • The Reproductive System
8.
Give any one example of an external parasite (ectoparasite) that attacks cattle. [1 mark]
P.6 • Keeping Cattle
9.
Name any one type of latrine. [1 mark]
P.6 • Sanitation
10.
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
11.
Give any one biological change that takes place in flowering plants. [1 mark]
P.5 • Types of Changes in the Environment
12.
Why are small gaps left between railway rails during track construction? [1 mark]
P.5 • Heat Energy
13.
Name the community health workers who act as a frontline bridge between the village and health centres in Uganda. [1 mark]
P.5 • Primary Health Care (PHC)
14.
State the structural adaptation of incisor teeth to their function. [1 mark]
P.4 • The Teeth
15.
Give any two examples of water impurities. [1 mark]
P.6 • Science at Home and in Our Community
16.
How does painting an iron gate prevent it from rusting? [1 mark]
P.5 • Types of Changes in the Environment
17.
State the fundamental law of electrostatics concerning like and unlike charges. [1 mark]
P.7 • Electricity
18.
Why are goats ear tagged or ear notched on a livestock farm? [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
19.
What happens when cooking oil is poured onto water in a glass? [1 mark]
P.5 • Matter and Energy
20.
Give any one example of an emotional change in adolescents. [1 mark]
P.6 • The Reproductive System
21.
Name any one living thing that undergoes moulting in the environment. [1 mark]
P.5 • Types of Changes in the Environment
22.
Why does sound travel fastest in solids compared to liquids and gases? [1 mark]
P.6 • Sound Energy
23.
How does boiling make water safe for drinking? [1 mark]
P.6 • Science at Home and in Our Community
24.
How can a person doing laundry prevent colored clothes from staining white clothes? [1 mark]
P.6 • Science at Home and in Our Community
25.
State any two ways in which washing clothes is important to human health. [1 mark]
P.6 • Science at Home and in Our Community
26.
Why is the chin lifted backwards when giving First Aid to an unconscious casualty? [1 mark]
P.6 • Accidents and First Aid
27.
Give one road safety practice for pedestrians crossing a busy road. [1 mark]
P.6 • Accidents and First Aid
28.
State one characteristic of essential drugs in Primary Health Care. [1 mark]
P.5 • Primary Health Care (PHC)
29.
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
30.
Name the organ in the human body responsible for thinking, intelligence, and memory. [1 mark]
P.7 • The Nervous System
31.
State the condition that must be present for a shadow to be formed. [1 mark]
P.7 • Light Energy
32.
State the reason why woolen clothes should be dried flat without wringing (twisting). [1 mark]
P.6 • Science at Home and in Our Community
33.
Why is it dangerous to pour highly acidic substances or strong chemical insecticides into a pit latrine? [1 mark]
P.6 • Sanitation
34.
Give any one agricultural use of discarded plastic jerrycans or containers in a home. [1 mark]
P.6 • Science at Home and in Our Community
35.
What scientific term is given to materials that allow light to pass through them completely? [1 mark]
P.7 • Light Energy
36.
Give any one example of a dual-purpose or heavy poultry breed. [1 mark]
P.5 • Keeping Poultry and Bees
37.
How does a tortoise protect itself from predators and danger in the environment? [1 mark]
P.5 • Classification of Animals
38.
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
39.
Why is a husband and his wife advised to go for treatment together when they contract gonorrhoea? [1 mark]
P.6 • The Reproductive System
40.
State one way of preventing athlete's foot infection. [1 mark]
P.6 • Personal Hygiene
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