PAPER CODE: 532/1
MOCK REF: PLE-273445
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.
Give one way of controlling the breeding of houseflies in a homestead. [1 mark]
P.6 • Sanitation
2.
Why is an insect compelled to shed its outer covering periodically during growth? [1 mark]
P.7 • The Muscular and Skeletal System
3.
Which part of a mammalian tooth contains blood vessels and nerves? [1 mark]
P.4 • The Teeth
4.
State the fundamental law of electrostatics concerning like and unlike charges. [1 mark]
P.7 • Electricity
5.
State the reason why woolen clothes should be dried flat without wringing (twisting). [1 mark]
P.6 • Science at Home and in Our Community
6.
State one way of preventing athlete's foot infection. [1 mark]
P.6 • Personal Hygiene
7.
The diagram below shows an animal in the group of invertebrates. (Snail diagram) Name the animal shown. [1 mark]
P.6 • Classification of Animals
8.
Give any one danger of rusting to a school farmer's tools. [1 mark]
P.5 • Types of Changes in the Environment
9.
Which weather condition is most suitable for solar drying harvested crops? [1 mark]
P.4 • Weather Changes Around Us
10.
Why are small gaps left between railway rails during track construction? [1 mark]
P.5 • Heat Energy
11.
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
12.
To which class of vertebrates do snakes and lizards belong? [1 mark]
P.5 • Classification of Animals
13.
Name the longest and strongest bone found in the human body. [1 mark]
P.7 • The Muscular and Skeletal System
14.
State one way in which food can get contaminated with disease-causing germs in a home. [1 mark]
P.5 • Food and Nutrition
15.
Name the deficiency disease caused by a severe lack of Vitamin C in the diet. [1 mark]
P.5 • Food and Nutrition
16.
State one way in which people can conserve non-renewable energy resources. [1 mark]
P.7 • Energy Resources in the Environment
17.
What happens when cooking oil is poured onto water in a glass? [1 mark]
P.5 • Matter and Energy
18.
State the biological function of the ciliated cells lining the fallopian tubes. [1 mark]
P.6 • The Reproductive System
19.
Name any one element of Primary Health Care (PHC). [1 mark]
P.5 • Primary Health Care (PHC)
20.
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
21.
State one reproductive similarity between bread moulds (fungi) and ferns (plants). [1 mark]
P.5 • Fungi and Non-Flowering Plants
22.
Give one effect of thick clouds in the atmosphere. [1 mark]
P.4 • Weather Changes Around Us
23.
State any one advantage of breast milk over commercial infant formula milk. [1 mark]
P.5 • Food and Nutrition
24.
Why is a pregnant mother advised to eat plenty of food rich in iron? [1 mark]
P.5 • Food and Nutrition
25.
Give any two examples of water impurities. [1 mark]
P.6 • Science at Home and in Our Community
26.
In which method of making water clean do you first allow the impurities to settle at the bottom of a container? [1 mark]
P.6 • Science at Home and in Our Community
27.
State one way of increasing the electrical current produced by a bicycle dynamo. [1 mark]
P.7 • Electricity
28.
How is tepid sponging useful to a casualty with high fever? [1 mark]
P.6 • Accidents and First Aid
29.
State any one primary sex characteristic in human females. [1 mark]
P.6 • The Reproductive System
30.
What general term refers to cattle kept primarily for ploughing and pulling carts? [1 mark]
P.6 • Keeping Cattle
31.
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
32.
To which class of vertebrates do tortoises and chameleons belong? [1 mark]
P.5 • Classification of Animals
33.
State the difference between sand soil and clay soil in terms of particle size. [1 mark]
P.4 • Soil
34.
What is the color code of the earth wire in a modern standard three-pin plug? [1 mark]
P.7 • Electricity
35.
State any one danger of cigarette smoking to the human respiratory system. [1 mark]
P.7 • The Respiratory System
36.
State any one method used to identify individual livestock on a farm. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
37.
State one nursery bed management practice done to harden off seedlings before transplanting. [1 mark]
P.5 • Crop Growing
38.
Give one reason why food should be chewed properly before swallowing. [1 mark]
P.5 • The Digestive System
39.
In a food web, how do carnivorous animals obtain their energy? [1 mark]
P.6 • Environment and Food Chains
40.
Identify one airborne bacterial disease that affects the human skeleton. [1 mark]
P.7 • The Muscular and Skeletal System
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