PAPER CODE: 532/1
MOCK REF: PLE-436833
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.
Give any one function of proteins in the human body. [1 mark]
P.4 • Food and Nutrition
2.
Give any one example of a dual-purpose or heavy poultry breed. [1 mark]
P.5 • Keeping Poultry and Bees
3.
Why are small gaps left between railway rails during track construction? [1 mark]
P.5 • Heat Energy
4.
Why is the drop hole of a VIP latrine left open without a lid at all times? [1 mark]
P.6 • Sanitation
5.
Name any one living thing that undergoes moulting in the environment. [1 mark]
P.5 • Types of Changes in the Environment
6.
Give any one reason why veterinary doctors advise farmers NEVER to open the carcass of an animal suspected to have died of Anthrax. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
7.
Give any one danger of rusting to a school farmer's tools. [1 mark]
P.5 • Types of Changes in the Environment
8.
Give any one reason why a residential living house should have large windows on opposite walls. [1 mark]
P.5 • Primary Health Care (PHC)
9.
State the structural adaptation of incisor teeth to their function. [1 mark]
P.4 • The Teeth
10.
Name the nutritional deficiency disease caused by a severe lack of Vitamin B1 in the diet. [1 mark]
P.5 • Food and Nutrition
11.
State the function of hairs (cilia) and mucus inside the human nostrils. [1 mark]
P.7 • The Respiratory System
12.
What is the color code of the earth wire in a modern standard three-pin plug? [1 mark]
P.7 • Electricity
13.
Name the structure on the head of a tapeworm used for attachment to the intestinal wall. [1 mark]
P.6 • Classification of Animals
14.
Why is an electric fuse constructed using a wire with a low melting point? [1 mark]
P.7 • Electricity
15.
Give any one biological change that takes place in flowering plants. [1 mark]
P.5 • Types of Changes in the Environment
16.
To which class of vertebrates do tortoises and chameleons belong? [1 mark]
P.5 • Classification of Animals
17.
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
18.
Name the main natural source of heat and light energy on earth. [1 mark]
P.4 • Energy in the Environment
19.
Give one way of controlling the breeding of houseflies in a homestead. [1 mark]
P.6 • Sanitation
20.
How does a tortoise protect itself from predators and danger in the environment? [1 mark]
P.5 • Classification of Animals
21.
Name any one element of Primary Health Care (PHC). [1 mark]
P.5 • Primary Health Care (PHC)
22.
Why does prolonged hunger sometimes lead to fainting? [1 mark]
P.6 • Accidents and First Aid
23.
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
24.
Name any one vaccine-preventable disease in Uganda that affects the liver. [1 mark]
P.5 • Primary Health Care (PHC)
25.
State the difference between sand soil and clay soil in terms of particle size. [1 mark]
P.4 • Soil
26.
State the scientific function of the screen (wire mesh) on top of the vent pipe of a VIP latrine. [1 mark]
P.6 • Sanitation
27.
Why should a farmer select healthy and viable seeds before planting? [1 mark]
P.5 • Crop Growing
28.
Give one effect of thick clouds in the atmosphere. [1 mark]
P.4 • Weather Changes Around Us
29.
State the condition that must be present for a shadow to be formed. [1 mark]
P.7 • Light Energy
30.
Identify the chemical substance used as a depolarizer in a standard dry Leclanché cell. [1 mark]
P.7 • Electricity
31.
Give any two examples of root tuber crops. [1 mark]
P.5 • Crop Growing
32.
Which part of a mammalian tooth contains blood vessels and nerves? [1 mark]
P.4 • The Teeth
33.
How does painting an iron gate prevent it from rusting? [1 mark]
P.5 • Types of Changes in the Environment
34.
Name the bud found in the leaf axil of a flowering plant. [1 mark]
P.4 • Plant Life
35.
State one reason why alcohol is preferred to mercury in minimum thermometers. [1 mark]
P.5 • Heat Energy
36.
State any one advantage of breast milk over commercial infant formula milk. [1 mark]
P.5 • Food and Nutrition
37.
How is the function of the anthers in a flower similar to that of the testes in a human male? [1 mark]
P.6 • The Reproductive System
38.
State any one advantage of castrating male piglets not intended for breeding. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
39.
What is meant by non-renewable energy resources? [1 mark]
P.7 • Energy Resources in the Environment
40.
State any one difference between an artery and a vein. [1 mark]
P.7 • The Circulatory System
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