PAPER CODE: 532/1
MOCK REF: PLE-469624
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 structural adaptation of a coconut fruit for water dispersal. [1 mark]
P.5 • Plant Life
2.
Name the part of an insect used for balancing during flight. [1 mark]
P.6 • Classification of Animals
3.
State the biological function of the ciliated cells lining the fallopian tubes. [1 mark]
P.6 • The Reproductive System
4.
State one reproductive similarity between bread moulds (fungi) and ferns (plants). [1 mark]
P.5 • Fungi and Non-Flowering Plants
5.
Why is it not advisable to burst blisters on a burnt part of the skin? [1 mark]
P.6 • Accidents and First Aid
6.
Name any one vaccine-preventable disease in Uganda that affects the liver. [1 mark]
P.5 • Primary Health Care (PHC)
7.
Which part of the human body is affected by Otalgia? [1 mark]
P.6 • Sound Energy
8.
Identify one airborne bacterial disease that affects the human skeleton. [1 mark]
P.7 • The Muscular and Skeletal System
9.
State any one advantage of castrating male piglets not intended for breeding. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
10.
Give one use of a pair of scissors or razor blade in hair grooming. [1 mark]
P.4 • Personal Hygiene
11.
State one way PIASCY messages help primary school pupils prevent HIV/AIDS infection. [1 mark]
P.6 • The Reproductive System
12.
Why does sound travel fastest in solids compared to liquids and gases? [1 mark]
P.6 • Sound Energy
13.
State the function of hooks and suckers on the scolex of a tapeworm. [1 mark]
P.6 • Classification of Animals
14.
Which part of a mammalian tooth contains blood vessels and nerves? [1 mark]
P.4 • The Teeth
15.
Give one reason why a person who has fainted should be placed in a cool, open, and well-ventilated space. [1 mark]
P.6 • Accidents and First Aid
16.
State one benefit of warming-up exercises to muscles before strenuous physical activities. [1 mark]
P.7 • The Muscular and Skeletal System
17.
State one way of preventing athlete's foot infection. [1 mark]
P.6 • Personal Hygiene
18.
Give any one biological change that takes place in flowering plants. [1 mark]
P.5 • Types of Changes in the Environment
19.
State the condition that must be present for a shadow to be formed. [1 mark]
P.7 • Light Energy
20.
State any one function of the diaphragm during the process of breathing. [1 mark]
P.6 • The Respiratory System
21.
Name any one element of Primary Health Care (PHC). [1 mark]
P.5 • Primary Health Care (PHC)
22.
Name the structure on the head of a tapeworm used for attachment to the intestinal wall. [1 mark]
P.6 • Classification of Animals
23.
What is meant by non-renewable energy resources? [1 mark]
P.7 • Energy Resources in the Environment
24.
State any one danger of cigarette smoking to the human respiratory system. [1 mark]
P.7 • The Respiratory System
25.
To which class of vertebrates do snakes and lizards belong? [1 mark]
P.5 • Classification of Animals
26.
What is Primary Health Care (PHC)? [1 mark]
P.5 • Primary Health Care (PHC)
27.
State the scientific function of soap in cleaning clothes. [1 mark]
P.6 • Science at Home and in Our Community
28.
How does chlorine make water safe for drinking? [1 mark]
P.6 • Science at Home and in Our Community
29.
State any one element of Primary Health Care. [1 mark]
P.5 • Primary Health Care (PHC)
30.
Why is wood ash regularly poured into the pit of a latrine or Ecosan toilet? [1 mark]
P.6 • Sanitation
31.
Give one way of controlling the breeding of houseflies in a homestead. [1 mark]
P.6 • Sanitation
32.
Give any one psychological life skill that adolescent girls can develop to safeguard themselves against early teenage pregnancies. [1 mark]
P.6 • The Reproductive System
33.
State any one way in which fermentation is important in our daily life. [1 mark]
P.6 • Alcohol, Smoking and Drugs
34.
Why is an electric fuse constructed using a wire with a low melting point? [1 mark]
P.7 • Electricity
35.
State any one importance of evaporation in the environment or daily life. [1 mark]
P.5 • Heat Energy
36.
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
37.
State any one factor to consider when selecting a suitable site for an apiary. [1 mark]
P.5 • Keeping Poultry and Bees
38.
Give one reason why copper is the preferred metal for manufacturing electrical conducting cables in domestic installations. [1 mark]
P.7 • Electricity
39.
Give any one reason why a residential living house should have large windows on opposite walls. [1 mark]
P.5 • Primary Health Care (PHC)
40.
What happens when cooking oil is poured onto water in a glass? [1 mark]
P.5 • Matter and Energy
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