PAPER CODE: 532/1
MOCK REF: PLE-253445
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 one way in which food can get contaminated with disease-causing germs in a home. [1 mark]
P.5 • Food and Nutrition
2.
State the exact part of the female reproductive system where fertilization takes place. [1 mark]
P.6 • The Reproductive System
3.
Name any one excretory product eliminated by the human lungs. [1 mark]
P.7 • The Excretory System
4.
State any one way in which fermentation is important in our daily life. [1 mark]
P.6 • Alcohol, Smoking and Drugs
5.
State any one importance of evaporation in the environment or daily life. [1 mark]
P.5 • Heat Energy
6.
State the function of hooks and suckers on the scolex of a tapeworm. [1 mark]
P.6 • Classification of Animals
7.
How does painting an iron gate prevent it from rusting? [1 mark]
P.5 • Types of Changes in the Environment
8.
How does chlorine make water safe for drinking? [1 mark]
P.6 • Science at Home and in Our Community
9.
State one way of preventing athlete's foot infection. [1 mark]
P.6 • Personal Hygiene
10.
State the minimum distance a pit latrine should be dug away from a domestic spring well or borehole. [1 mark]
P.5 • Primary Health Care (PHC)
11.
Name the bud found in the leaf axil of a flowering plant. [1 mark]
P.4 • Plant Life
12.
Why is a husband and his wife advised to go for treatment together when they contract gonorrhoea? [1 mark]
P.6 • The Reproductive System
13.
What is meant by the term annual crops? [1 mark]
P.5 • Crop Growing
14.
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
15.
Which part of a mammalian tooth contains blood vessels and nerves? [1 mark]
P.4 • The Teeth
16.
State any one danger of bottle feeding to a four-month-old baby. [1 mark]
P.5 • Food and Nutrition
17.
How does eating fresh oranges or lemons help prevent bleeding gums? [1 mark]
P.5 • Food and Nutrition
18.
State one way of preventing the spread of Tuberculosis (TB). [1 mark]
P.7 • The Respiratory System
19.
Name the main natural source of heat and light energy on earth. [1 mark]
P.4 • Energy in the Environment
20.
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
21.
Name any one living thing that undergoes moulting in the environment. [1 mark]
P.5 • Types of Changes in the Environment
22.
How does boiling make water safe for drinking? [1 mark]
P.6 • Science at Home and in Our Community
23.
Name the longest and strongest bone found in the human body. [1 mark]
P.7 • The Muscular and Skeletal System
24.
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
25.
State the difference between sand soil and clay soil in terms of particle size. [1 mark]
P.4 • Soil
26.
State the fundamental law of electrostatics concerning like and unlike charges. [1 mark]
P.7 • Electricity
27.
Why is an insect compelled to shed its outer covering periodically during growth? [1 mark]
P.7 • The Muscular and Skeletal System
28.
Give one way of controlling the breeding of houseflies in a homestead. [1 mark]
P.6 • Sanitation
29.
Name the nutritional deficiency disease caused by a severe lack of Vitamin B1 in the diet. [1 mark]
P.5 • Food and Nutrition
30.
Give any one role of water during seed germination. [1 mark]
P.5 • Plant Life
31.
What is meant by non-renewable energy resources? [1 mark]
P.7 • Energy Resources in the Environment
32.
State any one advantage of breast milk over commercial infant formula milk. [1 mark]
P.5 • Food and Nutrition
33.
Identify the chemical substance used as a depolarizer in a standard dry Leclanché cell. [1 mark]
P.7 • Electricity
34.
The diagram below shows an animal in the group of invertebrates. (Snail diagram) Name the animal shown. [1 mark]
P.6 • Classification of Animals
35.
Give one effect of thick clouds in the atmosphere. [1 mark]
P.4 • Weather Changes Around Us
36.
Which weather condition is most suitable for solar drying harvested crops? [1 mark]
P.4 • Weather Changes Around Us
37.
Give the scientific meaning of the term skeleton. [1 mark]
P.7 • The Muscular and Skeletal System
38.
State one reason why a torch may fail to produce light even when it is switched on. [1 mark]
P.7 • Electricity
39.
Why is it dangerous to pour highly acidic substances or strong chemical insecticides into a pit latrine? [1 mark]
P.6 • Sanitation
40.
Why is water obtained by the distillation method not recommended for drinking at home? [1 mark]
P.6 • Science at Home and in Our Community
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