PAPER CODE: 532/1
MOCK REF: PLE-945773
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.
Name the main natural source of heat and light energy on earth. [1 mark]
P.4 • Energy in the Environment
2.
Give any one example of an external parasite (ectoparasite) that attacks cattle. [1 mark]
P.6 • Keeping Cattle
3.
Give any one danger of rusting to a school farmer's tools. [1 mark]
P.5 • Types of Changes in the Environment
4.
How does the Ecosan latrine promote agricultural productivity? [1 mark]
P.6 • Sanitation
5.
Why are small gaps left between railway rails during track construction? [1 mark]
P.5 • Heat Energy
6.
Mention any one personal hygiene practice that prevents bad body odour. [1 mark]
P.6 • Personal Hygiene
7.
Name the longest and strongest bone found in the human body. [1 mark]
P.7 • The Muscular and Skeletal System
8.
How does boiling make water safe for drinking? [1 mark]
P.6 • Science at Home and in Our Community
9.
State the biological function of the ciliated cells lining the fallopian tubes. [1 mark]
P.6 • The Reproductive System
10.
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
11.
State any one way in which fermentation is important in our daily life. [1 mark]
P.6 • Alcohol, Smoking and Drugs
12.
How does painting an iron gate prevent it from rusting? [1 mark]
P.5 • Types of Changes in the Environment
13.
State any one danger of cigarette smoking to the human respiratory system. [1 mark]
P.7 • The Respiratory System
14.
State the function of the U-trap in a water closet (flush toilet). [1 mark]
P.6 • Sanitation
15.
Name two methods of obtaining clean water for washing at home. [1 mark]
P.6 • Science at Home and in Our Community
16.
Give any one reason why a residential living house should have large windows on opposite walls. [1 mark]
P.5 • Primary Health Care (PHC)
17.
Give any one example of an emotional change in adolescents. [1 mark]
P.6 • The Reproductive System
18.
Identify the chemical substance used as a depolarizer in a standard dry Leclanché cell. [1 mark]
P.7 • Electricity
19.
What is meant by non-renewable energy resources? [1 mark]
P.7 • Energy Resources in the Environment
20.
Why is an electric fuse constructed using a wire with a low melting point? [1 mark]
P.7 • Electricity
21.
State the difference between sand soil and clay soil in terms of particle size. [1 mark]
P.4 • Soil
22.
Why is wood ash regularly poured into the pit of a latrine or Ecosan toilet? [1 mark]
P.6 • Sanitation
23.
How is tepid sponging useful to a casualty with high fever? [1 mark]
P.6 • Accidents and First Aid
24.
Give one reason why copper is the preferred metal for manufacturing electrical conducting cables in domestic installations. [1 mark]
P.7 • Electricity
25.
State one way PIASCY messages help primary school pupils prevent HIV/AIDS infection. [1 mark]
P.6 • The Reproductive System
26.
Name the structure on the head of a tapeworm used for attachment to the intestinal wall. [1 mark]
P.6 • Classification of Animals
27.
State any one advantage of castrating male piglets not intended for breeding. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
28.
To which phylum of invertebrates do insects, arachnids, and crustaceans belong? [1 mark]
P.6 • Classification of Animals
29.
State one way of preventing athlete's foot infection. [1 mark]
P.6 • Personal Hygiene
30.
Give one reason why food should be chewed properly before swallowing. [1 mark]
P.5 • The Digestive System
31.
State any one method used to identify individual livestock on a farm. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
32.
State any one danger of bottle feeding to a four-month-old baby. [1 mark]
P.5 • Food and Nutrition
33.
Why is a tapeworm classified as an endoparasite? [1 mark]
P.6 • Classification of Animals
34.
State any one function of the diaphragm during the process of breathing. [1 mark]
P.6 • The Respiratory System
35.
What scientific term is given to materials that allow light to pass through them completely? [1 mark]
P.7 • Light Energy
36.
Name the bud found in the leaf axil of a flowering plant. [1 mark]
P.4 • Plant Life
37.
In a food web, how do carnivorous animals obtain their energy? [1 mark]
P.6 • Environment and Food Chains
38.
Name the part of a cow that changes the color when a cow is on heat. [1 mark]
P.6 • Keeping Cattle
39.
State one way of preventing the spread of Tuberculosis (TB). [1 mark]
P.7 • The Respiratory System
40.
How does eating fresh oranges or lemons help prevent bleeding gums? [1 mark]
P.5 • Food and Nutrition
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