PAPER CODE: 532/1
MOCK REF: PLE-527943
Uganda National Examinations Board
Primary Leaving Examination (Standard Science Mock)
INTEGRATED SCIENCE
TIME: 2h 15m
MARKS: 65
โ
CANDIDATE QUESTION PAPER โ
Instructions to Candidates:
- This paper consists of two sections: Section A and Section B.
- Section A has 25 questions (25 marks). Section B has 10 questions (40 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 25) โ 25 Marks
1 Mark eachQuestion 1 to 25 carry one mark each. Answer all questions in the spaces provided.
1.
Why does sound travel fastest in solids compared to liquids and gases? [1 mark]
P.6 โข Sound Energy
2.
Name the main natural source of heat and light energy on earth. [1 mark]
P.4 โข Energy in the Environment
3.
Give one safety measure to prevent electric shock in a domestic home. [1 mark]
P.6 โข Accidents and First Aid
4.
State the function of a ligament at a movable joint. [1 mark]
P.7 โข The Muscular and Skeletal System
5.
Name the community health workers who act as a frontline bridge between the village and health centres in Uganda. [1 mark]
P.5 โข Primary Health Care (PHC)
6.
State one reproductive similarity between bread moulds (fungi) and ferns (plants). [1 mark]
P.5 โข Fungi and Non-Flowering Plants
7.
Name any one excretory product eliminated by the human lungs. [1 mark]
P.7 โข The Excretory System
8.
State any one primary sex characteristic in human females. [1 mark]
P.6 โข The Reproductive System
9.
State the role of anhydrous calcium chloride in the laboratory investigation of rusting. [1 mark]
P.5 โข Types of Changes in the Environment
10.
State the scientific function of the screen (wire mesh) on top of the vent pipe of a VIP latrine. [1 mark]
P.6 โข Sanitation
11.
Why does prolonged hunger sometimes lead to fainting? [1 mark]
P.6 โข Accidents and First Aid
12.
Give any one psychological life skill that adolescent girls can develop to safeguard themselves against early teenage pregnancies. [1 mark]
P.6 โข The Reproductive System
13.
Name two methods of obtaining clean water for washing at home. [1 mark]
P.6 โข Science at Home and in Our Community
14.
Which weather condition is most suitable for solar drying harvested crops? [1 mark]
P.4 โข Weather Changes Around Us
15.
Why is wood ash regularly poured into the pit of a latrine or Ecosan toilet? [1 mark]
P.6 โข Sanitation
16.
Name the female parent in goat farming. [1 mark]
P.5 โข Keeping Goats, Sheep, and Pigs
17.
Give any one example of an emotional change in adolescents. [1 mark]
P.6 โข The Reproductive System
18.
State any one danger of hanging colored clothes under direct sunshine for a long time to dry. [1 mark]
P.6 โข Science at Home and in Our Community
19.
State any one method used to identify individual livestock on a farm. [1 mark]
P.5 โข Keeping Goats, Sheep, and Pigs
20.
Why is a husband and his wife advised to go for treatment together when they contract gonorrhoea? [1 mark]
P.6 โข The Reproductive System
21.
State any one element of Primary Health Care. [1 mark]
P.5 โข Primary Health Care (PHC)
22.
State any one importance of evaporation in the environment or daily life. [1 mark]
P.5 โข Heat Energy
23.
State the function of hairs (cilia) and mucus inside the human nostrils. [1 mark]
P.7 โข The Respiratory System
24.
State one personal hygiene activity done using a nail cutter or razor blade. [1 mark]
P.4 โข Personal Hygiene
25.
How does chlorine make water safe for drinking? [1 mark]
P.6 โข Science at Home and in Our Community
Section B: (Questions 26 to 35) โ 40 Marks
4 Marks eachQuestion 26 to 35 carry four marks each. All answers must be written in the spaces provided.
26.
Structured & Practical Assessment Item
[4 MARKS]
P.5 โข Keeping Goats, Sheep, and Pigs
Measly pork is a serious public health problem in Uganda:
(a) What causes measly pork in pigs? (1 mark)
(b) Name the parasite whose larvae cause this condition. (1 mark)
(c) State any two ways a community can prevent tapeworm transmission from pigs to humans. (2 marks)
27.
Structured & Practical Assessment Item
[4 MARKS]
P.5 โข Keeping Goats, Sheep, and Pigs
(a) Name any one exotic breed of dairy goats. (1 mark)
(b) Name the commercial textile product obtained from Angora goats. (1 mark)
(c) State any two advantages of keeping goats over keeping cattle. (2 marks)
28.
Structured & Practical Assessment Item
[4 MARKS]
P.5 โข Types of Changes in the Environment
(a) State the difference between a physical change and a biological change. (1 mark)
(b) Give any two examples of physical changes involving heat gain. (2 marks)
(c) Name the physical process that occurs when morning dew turns into water vapour as the sun rises. (1 mark)
29.
Structured & Practical Assessment Item
[4 MARKS]
P.6 โข Alcohol, Smoking and Drugs
(a) Mention any two health hazards of heavy alcohol consumption to the human body. (2 marks)
(b) State any two social or economic effects of alcoholism to a family. (2 marks)
30.
Structured & Practical Assessment Item
[4 MARKS]
P.5 โข Types of Changes in the Environment
A Primary 5 pupil heated a tin can with water, sealed it tightly, and poured cold water on it.
(a) What happened to the tin can? (1 mark)
(b) Explain why that happened to the can. (2 marks)
(c) Which physical state transition occurred inside the can? (1 mark)
31.
Structured & Practical Assessment Item
[4 MARKS]
P.7 โข Electricity
(a) What is a short circuit?
(b) State two common causes of short circuits in residential houses.
(c) Why should water never be used to extinguish an electrical fire?
32.
Structured & Practical Assessment Item
[4 MARKS]
P.6 โข The Reproductive System
(a) State the difference between vasectomy and tubal ligation as methods of family planning.
(b) Why is the use of condoms highly recommended during family planning compared to other methods?
(c) Name one natural family planning method.
33.
Structured & Practical Assessment Item
[4 MARKS]
P.5 โข The Digestive System
(a) Name the digestive liquid produced by salivary glands in the mouth. (1 mark)
(b) State two physical processes that happen to food inside the mouth during digestion. (2 marks)
(c) Name the digestive disorder characterized by difficulty in passing hard, dry stools. (1 mark)
34.
Structured & Practical Assessment Item
[4 MARKS]
P.7 โข Electricity
The diagram represents a simple dry cell:
(a) Name the parts marked:
(i) Outer metal casing
(ii) Central black rod
(b) What is the function of the ammonium chloride paste?
(c) Why does a dry cell eventually lose power (go flat)?
35.
Structured & Practical Assessment Item
[4 MARKS]
P.7 โข The Circulatory System
(a) Name the main blood vessel that brings deoxygenated blood from body tissues to the right atrium of the heart. (1 mark)
(b) Which type of blood is carried by the pulmonary vein? (1 mark)
(c) State any two structural adaptations of arteries to their function. (2 marks)
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