PAPER CODE: 532/1
MOCK REF: PLE-843108
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 reason why woolen clothes should be dried flat without wringing (twisting). [1 mark]
P.6 • Science at Home and in Our Community
2.
State the scientific function of soap in cleaning clothes. [1 mark]
P.6 • Science at Home and in Our Community
3.
State one way of preventing the spread of Tuberculosis (TB). [1 mark]
P.7 • The Respiratory System
4.
Mention any two environmental conditions necessary for viable seeds to germinate. [1 mark]
P.5 • Plant Life
5.
Why are goats ear tagged or ear notched on a livestock farm? [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
6.
Give any one health benefit of regular physical exercises to the human body. [1 mark]
P.7 • The Muscular and Skeletal System
7.
What is meant by the term annual crops? [1 mark]
P.5 • Crop Growing
8.
What is Primary Health Care (PHC)? [1 mark]
P.5 • Primary Health Care (PHC)
9.
Name any one excretory product eliminated by the human lungs. [1 mark]
P.7 • The Excretory System
10.
Give a reason why a hard object (wrapped in a clean cloth) should be put in the mouth of a convulsing victim. [1 mark]
P.6 • Accidents and First Aid
11.
Give one safety measure to prevent electric shock in a domestic home. [1 mark]
P.6 • Accidents and First Aid
12.
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
13.
How is a burn different from a scald? [1 mark]
P.6 • Accidents and First Aid
14.
Name the type of optical lens that diverges light rays. [1 mark]
P.7 • Light Energy
15.
State any one difference between an artery and a vein. [1 mark]
P.7 • The Circulatory System
16.
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
17.
State one way in which food can get contaminated with disease-causing germs in a home. [1 mark]
P.5 • Food and Nutrition
18.
State the difference between sand soil and clay soil in terms of particle size. [1 mark]
P.4 • Soil
19.
How does a tortoise protect itself from predators and danger in the environment? [1 mark]
P.5 • Classification of Animals
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.
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
22.
Which part of the human body is affected by Otalgia? [1 mark]
P.6 • Sound Energy
23.
State any one primary sex characteristic in human females. [1 mark]
P.6 • The Reproductive System
24.
State the exact part of the female reproductive system where fertilization takes place. [1 mark]
P.6 • The Reproductive System
25.
Name the movable joint found between the atlas and axis vertebrae in the neck. [1 mark]
P.7 • The Muscular and Skeletal System
26.
State one personal hygiene activity done using a nail cutter or razor blade. [1 mark]
P.4 • Personal Hygiene
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.
State one way of preventing accidental drug poisoning in young children at home. [1 mark]
P.6 • Accidents and First Aid
29.
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
30.
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
31.
State one reason why a torch may fail to produce light even when it is switched on. [1 mark]
P.7 • Electricity
32.
Why is a pregnant mother advised to eat plenty of food rich in iron? [1 mark]
P.5 • Food and Nutrition
33.
State one reproductive similarity between bread moulds (fungi) and ferns (plants). [1 mark]
P.5 • Fungi and Non-Flowering Plants
34.
In a food web, how do carnivorous animals obtain their energy? [1 mark]
P.6 • Environment and Food Chains
35.
State any one way in which fermentation is important in our daily life. [1 mark]
P.6 • Alcohol, Smoking and Drugs
36.
Give one effect of thick clouds in the atmosphere. [1 mark]
P.4 • Weather Changes Around Us
37.
Why is a tapeworm classified as an endoparasite? [1 mark]
P.6 • Classification of Animals
38.
State one activity a school Science Club can undertake to combat environmental deforestation. [1 mark]
P.5 • Managing Changes in the Environment
39.
Name the farm structure used to hold cattle or goats firmly during hand spraying, drenching, or vaccination. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
40.
State one method of reducing echoes in large school assembly halls. [1 mark]
P.6 • Sound Energy
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