PAPER CODE: 532/1
MOCK REF: PLE-344345
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 any one element of Primary Health Care. [1 mark]
P.5 • Primary Health Care (PHC)
2.
State the difference between sand soil and clay soil in terms of particle size. [1 mark]
P.4 • Soil
3.
State one benefit of warming-up exercises to muscles before strenuous physical activities. [1 mark]
P.7 • The Muscular and Skeletal System
4.
Give one use of a pair of scissors or razor blade in hair grooming. [1 mark]
P.4 • Personal Hygiene
5.
Give one road safety practice for pedestrians crossing a busy road. [1 mark]
P.6 • Accidents and First Aid
6.
State one method of reducing echoes in large school assembly halls. [1 mark]
P.6 • Sound Energy
7.
State one way of increasing the electrical current produced by a bicycle dynamo. [1 mark]
P.7 • Electricity
8.
Give the scientific meaning of the term skeleton. [1 mark]
P.7 • The Muscular and Skeletal System
9.
Name any one living thing that undergoes moulting in the environment. [1 mark]
P.5 • Types of Changes in the Environment
10.
State any one primary sex characteristic in human females. [1 mark]
P.6 • The Reproductive System
11.
Name two methods of obtaining clean water for washing at home. [1 mark]
P.6 • Science at Home and in Our Community
12.
Name the structure on the head of a tapeworm used for attachment to the intestinal wall. [1 mark]
P.6 • Classification of Animals
13.
Name the longest and strongest bone found in the human body. [1 mark]
P.7 • The Muscular and Skeletal System
14.
State one way in which food can get contaminated with disease-causing germs in a home. [1 mark]
P.5 • Food and Nutrition
15.
State the function of hairs (cilia) and mucus inside the human nostrils. [1 mark]
P.7 • The Respiratory System
16.
How does painting an iron gate prevent it from rusting? [1 mark]
P.5 • Types of Changes in the Environment
17.
Give any one function of proteins in the human body. [1 mark]
P.4 • Food and Nutrition
18.
Give one effect of thick clouds in the atmosphere. [1 mark]
P.4 • Weather Changes Around Us
19.
Why is an electric fuse constructed using a wire with a low melting point? [1 mark]
P.7 • Electricity
20.
State one way in which people can conserve non-renewable energy resources. [1 mark]
P.7 • Energy Resources in the Environment
21.
Give one way of controlling the breeding of houseflies in a homestead. [1 mark]
P.6 • Sanitation
22.
How does the Ecosan latrine promote agricultural productivity? [1 mark]
P.6 • Sanitation
23.
State one activity a school Science Club can undertake to combat environmental deforestation. [1 mark]
P.5 • Managing Changes in the Environment
24.
To which class of vertebrates do tortoises and chameleons belong? [1 mark]
P.5 • Classification of Animals
25.
Why are goats ear tagged or ear notched on a livestock farm? [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
26.
In a food web, how do carnivorous animals obtain their energy? [1 mark]
P.6 • Environment and Food Chains
27.
State the function of the eardrum (tympanic membrane) in the human ear. [1 mark]
P.6 • Sound Energy
28.
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
29.
How does boiling make water safe for drinking? [1 mark]
P.6 • Science at Home and in Our Community
30.
State the function of hooks and suckers on the scolex of a tapeworm. [1 mark]
P.6 • Classification of Animals
31.
Give any two examples of water impurities. [1 mark]
P.6 • Science at Home and in Our Community
32.
Name any one element of Primary Health Care (PHC). [1 mark]
P.5 • Primary Health Care (PHC)
33.
Identify the chemical substance used as a depolarizer in a standard dry Leclanché cell. [1 mark]
P.7 • Electricity
34.
State the function of the U-trap in a water closet (flush toilet). [1 mark]
P.6 • Sanitation
35.
What is Primary Health Care (PHC)? [1 mark]
P.5 • Primary Health Care (PHC)
36.
How is a burn different from a scald? [1 mark]
P.6 • Accidents and First Aid
37.
State the reason why woolen clothes should be dried flat without wringing (twisting). [1 mark]
P.6 • Science at Home and in Our Community
38.
State one nursery bed management practice done to harden off seedlings before transplanting. [1 mark]
P.5 • Crop Growing
39.
Why does prolonged hunger sometimes lead to fainting? [1 mark]
P.6 • Accidents and First Aid
40.
Name the female parent in goat farming. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
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