PAPER CODE: 532/1
MOCK REF: PLE-156909
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 structural adaptation of incisor teeth to their function. [1 mark]
P.4 • The Teeth
2.
Give one way of controlling the breeding of houseflies in a homestead. [1 mark]
P.6 • Sanitation
3.
Mention any two environmental conditions necessary for viable seeds to germinate. [1 mark]
P.5 • Plant Life
4.
Why is a pregnant mother advised to eat plenty of food rich in iron? [1 mark]
P.5 • Food and Nutrition
5.
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)
6.
How is a burn different from a scald? [1 mark]
P.6 • Accidents and First Aid
7.
Give any one example of an emotional change in adolescents. [1 mark]
P.6 • The Reproductive System
8.
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
9.
State any one method used to identify individual livestock on a farm. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
10.
The diagram below shows an animal in the group of invertebrates. (Snail diagram) Name the animal shown. [1 mark]
P.6 • Classification of Animals
11.
Name the longest and strongest bone found in the human body. [1 mark]
P.7 • The Muscular and Skeletal System
12.
What is the color code of the earth wire in a modern standard three-pin plug? [1 mark]
P.7 • Electricity
13.
State one benefit of warming-up exercises to muscles before strenuous physical activities. [1 mark]
P.7 • The Muscular and Skeletal System
14.
Give any one health benefit of regular physical exercises to the human body. [1 mark]
P.7 • The Muscular and Skeletal System
15.
State one method of reducing echoes in large school assembly halls. [1 mark]
P.6 • Sound Energy
16.
State one nursery bed management practice done to harden off seedlings before transplanting. [1 mark]
P.5 • Crop Growing
17.
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
18.
To which phylum of invertebrates do insects, arachnids, and crustaceans belong? [1 mark]
P.6 • Classification of Animals
19.
Why is the burning of dry paper classified as a chemical change? [1 mark]
P.5 • Types of Changes in the Environment
20.
State one activity a school Science Club can undertake to combat environmental deforestation. [1 mark]
P.5 • Managing Changes in the Environment
21.
State any one advantage of breast milk over commercial infant formula milk. [1 mark]
P.5 • Food and Nutrition
22.
Name the insect vector that spreads River Blindness (Onchocerciasis) to humans. [1 mark]
P.4 • Vectors and Diseases
23.
Name the main natural source of heat and light energy on earth. [1 mark]
P.4 • Energy in the Environment
24.
State the difference between sand soil and clay soil in terms of particle size. [1 mark]
P.4 • Soil
25.
To which class of vertebrates do snakes and lizards belong? [1 mark]
P.5 • Classification of Animals
26.
Name any one type of latrine. [1 mark]
P.6 • Sanitation
27.
Identify one airborne bacterial disease that affects the human skeleton. [1 mark]
P.7 • The Muscular and Skeletal System
28.
Why should a farmer select healthy and viable seeds before planting? [1 mark]
P.5 • Crop Growing
29.
State one reason why a torch may fail to produce light even when it is switched on. [1 mark]
P.7 • Electricity
30.
Which weather condition is most suitable for solar drying harvested crops? [1 mark]
P.4 • Weather Changes Around Us
31.
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
32.
State any one primary sex characteristic in human females. [1 mark]
P.6 • The Reproductive System
33.
State one way of increasing the electrical current produced by a bicycle dynamo. [1 mark]
P.7 • Electricity
34.
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
35.
Why does the water level in a measuring cylinder rise when a stone is completely immersed in it? [1 mark]
P.5 • Matter and Energy
36.
State any one danger of cigarette smoking to the human respiratory system. [1 mark]
P.7 • The Respiratory System
37.
How is tepid sponging useful to a casualty with high fever? [1 mark]
P.6 • Accidents and First Aid
38.
What kind of water is recommended for use during tepid sponging, and why should very cold water be avoided? [1 mark]
P.6 • Accidents and First Aid
39.
Why is it dangerous to pour highly acidic substances or strong chemical insecticides into a pit latrine? [1 mark]
P.6 • Sanitation
40.
Name the part of a cow that changes the color when a cow is on heat. [1 mark]
P.6 • Keeping Cattle
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