PAPER CODE: 532/1
MOCK REF: PLE-189136
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.
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
2.
Give any two examples of water impurities. [1 mark]
P.6 • Science at Home and in Our Community
3.
What is the color code of the earth wire in a modern standard three-pin plug? [1 mark]
P.7 • Electricity
4.
Why is it dangerous to pour highly acidic substances or strong chemical insecticides into a pit latrine? [1 mark]
P.6 • Sanitation
5.
State any one danger of hanging colored clothes under direct sunshine for a long time to dry. [1 mark]
P.6 • Science at Home and in Our Community
6.
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
7.
Give one safety measure to prevent electric shock in a domestic home. [1 mark]
P.6 • Accidents and First Aid
8.
Name the longest and strongest bone found in the human body. [1 mark]
P.7 • The Muscular and Skeletal System
9.
How can a person doing laundry prevent colored clothes from staining white clothes? [1 mark]
P.6 • Science at Home and in Our Community
10.
Why is a tapeworm classified as an endoparasite? [1 mark]
P.6 • Classification of Animals
11.
State the function of hooks and suckers on the scolex of a tapeworm. [1 mark]
P.6 • Classification of Animals
12.
State any one method used to identify individual livestock on a farm. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
13.
State the function of the U-trap in a water closet (flush toilet). [1 mark]
P.6 • Sanitation
14.
State one way of increasing the electrical current produced by a bicycle dynamo. [1 mark]
P.7 • Electricity
15.
Name the structure on the head of a tapeworm used for attachment to the intestinal wall. [1 mark]
P.6 • Classification of Animals
16.
Identify one airborne bacterial disease that affects the human skeleton. [1 mark]
P.7 • The Muscular and Skeletal System
17.
State the structural adaptation of incisor teeth to their function. [1 mark]
P.4 • The Teeth
18.
Name the part of a cow that changes the color when a cow is on heat. [1 mark]
P.6 • Keeping Cattle
19.
State the biological function of the ciliated cells lining the fallopian tubes. [1 mark]
P.6 • The Reproductive System
20.
Give any one function of proteins in the human body. [1 mark]
P.4 • Food and Nutrition
21.
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
22.
State one characteristic of essential drugs in Primary Health Care. [1 mark]
P.5 • Primary Health Care (PHC)
23.
State the fundamental law of electrostatics concerning like and unlike charges. [1 mark]
P.7 • Electricity
24.
State any one advantage of breast milk over commercial infant formula milk. [1 mark]
P.5 • Food and Nutrition
25.
State any one difference between an artery and a vein. [1 mark]
P.7 • The Circulatory System
26.
State the function of hairs (cilia) and mucus inside the human nostrils. [1 mark]
P.7 • The Respiratory System
27.
Why is the floor of a modern pigsty built with a gentle slope towards the drainage channel? [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
28.
Give one reason why food should be chewed properly before swallowing. [1 mark]
P.5 • The Digestive System
29.
State any two ways in which washing clothes is important to human health. [1 mark]
P.6 • Science at Home and in Our Community
30.
Give one road safety practice for pedestrians crossing a busy road. [1 mark]
P.6 • Accidents and First Aid
31.
Give any one reason why a residential living house should have large windows on opposite walls. [1 mark]
P.5 • Primary Health Care (PHC)
32.
Name the bud found in the leaf axil of a flowering plant. [1 mark]
P.4 • Plant Life
33.
State any one way in which the ironing of clothes is useful when cleaning clothes. [1 mark]
P.6 • Science at Home and in Our Community
34.
How does a tortoise protect itself from predators and danger in the environment? [1 mark]
P.5 • Classification of Animals
35.
What is meant by the term annual crops? [1 mark]
P.5 • Crop Growing
36.
To which phylum of invertebrates do insects, arachnids, and crustaceans belong? [1 mark]
P.6 • Classification of Animals
37.
Give one effect of thick clouds in the atmosphere. [1 mark]
P.4 • Weather Changes Around Us
38.
How is a burn different from a scald? [1 mark]
P.6 • Accidents and First Aid
39.
Which part of a mammalian tooth contains blood vessels and nerves? [1 mark]
P.4 • The Teeth
40.
State any one advantage of castrating male piglets not intended for breeding. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
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