PAPER CODE: 532/1
MOCK REF: PLE-988345
Uganda National Examinations Board
Primary Leaving Examination (Standard Science Mock)
INTEGRATED SCIENCE
TIME: 2h 15m
MARKS: 65
★ CANDIDATE QUESTION PAPER ★
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) — 25 Marks
1 Mark eachQuestion 1 to 25 carry one mark each. Answer all questions in the spaces provided.
1.
In an electric circuit diagram, which instrument is always connected in series to measure electric current? [1 mark]
P.7 • Electricity
2.
Name any one element of Primary Health Care (PHC). [1 mark]
P.5 • Primary Health Care (PHC)
3.
Why is it recommended to use clean wood ash at a tip-tap facility when soap is not available? [1 mark]
P.5 • Primary Health Care (PHC)
4.
Name any one living thing that undergoes moulting in the environment. [1 mark]
P.5 • Types of Changes in the Environment
5.
Mention any two environmental conditions necessary for viable seeds to germinate. [1 mark]
P.5 • Plant Life
6.
Give any one example of an emotional change in adolescents. [1 mark]
P.6 • The Reproductive System
7.
Give any two examples of water impurities. [1 mark]
P.6 • Science at Home and in Our Community
8.
Name the nutritional deficiency disease caused by a severe lack of Vitamin B1 in the diet. [1 mark]
P.5 • Food and Nutrition
9.
Name any one type of latrine. [1 mark]
P.6 • Sanitation
10.
Name the farm structure used to hold cattle or goats firmly during hand spraying, drenching, or vaccination. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
11.
How does eating fresh oranges or lemons help prevent bleeding gums? [1 mark]
P.5 • Food and Nutrition
12.
Give one way of controlling the breeding of houseflies in a homestead. [1 mark]
P.6 • Sanitation
13.
State one way PIASCY messages help primary school pupils prevent HIV/AIDS infection. [1 mark]
P.6 • The Reproductive System
14.
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
15.
State any one advantage of castrating male piglets not intended for breeding. [1 mark]
P.5 • Keeping Goats, Sheep, and Pigs
16.
State the exact part of the female reproductive system where fertilization takes place. [1 mark]
P.6 • The Reproductive System
17.
Identify the chemical substance used as a depolarizer in a standard dry Leclanché cell. [1 mark]
P.7 • Electricity
18.
State any one danger of bottle feeding to a four-month-old baby. [1 mark]
P.5 • Food and Nutrition
19.
How does painting an iron gate prevent it from rusting? [1 mark]
P.5 • Types of Changes in the Environment
20.
State any one function of the diaphragm during the process of breathing. [1 mark]
P.6 • The Respiratory System
21.
How does boiling make water safe for drinking? [1 mark]
P.6 • Science at Home and in Our Community
22.
Name the disorder of the skeletal system where a bone moves away from its normal position at a joint. [1 mark]
P.7 • The Muscular and Skeletal System
23.
How does chlorine make water safe for drinking? [1 mark]
P.6 • Science at Home and in Our Community
24.
What is meant by the term annual crops? [1 mark]
P.5 • Crop Growing
25.
State one way in which people can conserve non-renewable energy resources. [1 mark]
P.7 • Energy Resources in the Environment
Section B: (Questions 26 to 35) — 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.6 • The Reproductive System
(a) Write down any two disorders that affect the male reproductive system.
(b) State any one advantage of child spacing to a mother in a family.
(c) Give any one reason why females are highly affected by HIV/AIDS during intercourse.
27.
Structured & Practical Assessment Item
[4 MARKS]
P.7 • Simple Machines
(a) Name the simple machine used in a windlass (water winch) for drawing water from deep wells. (1 mark)
(b) State two other practical uses of the machine named in (a). (2 marks)
(c) Name the opposing force that resists motion in simple machines. (1 mark)
28.
Structured & Practical Assessment Item
[4 MARKS]
P.7 • Forestry and Agroforestry
(a) Define the term agroforestry. (1 mark)
(b) State any one characteristic of suitable tree species used in agroforestry. (1 mark)
(c) Give any two benefits of agroforestry to a farmer. (2 marks)
29.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • Sanitation
(a) State any two poor sanitation conditions in a school compound that can encourage the breeding of disease vectors. (2 marks)
(b) Name any two vector-borne or water-borne diseases that can break out as a result of the poor conditions in (a). (2 marks)
30.
Structured & Practical Assessment Item
[4 MARKS]
P.5 • Fungi and Non-Flowering Plants
(a) Name the green pigment in plant leaves that absorbs sunlight for photosynthesis. (1 mark)
(b) State one nutritional difference between ferns and mushrooms. (1 mark)
(c) Give any two other examples of non-flowering spore-producing plants apart from ferns. (2 marks)
31.
Structured & Practical Assessment Item
[4 MARKS]
P.5 • Primary Health Care (PHC)
(a) Write down the full meaning of the abbreviation PHC. (1 mark)
(b) State any two core principles of Primary Health Care. (2 marks)
(c) Why is Primary Health Care considered more economical for developing nations like Uganda than curative hospital care? (1 mark)
32.
Structured & Practical Assessment Item
[4 MARKS]
P.7 • The Muscular and Skeletal System
(a) Mention two connective tissues found at a movable joint in the human skeleton.
(b) State the difference in function between a tendon and a ligament.
(c) State any two ways in which friction is reduced at a movable joint.
33.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • Science at Home and in Our Community
Match the laundry terms in Part A with their correct scientific meanings in Part B:
Sorting
Wringing
Rinsing
Soaking
34.
Structured & Practical Assessment Item
[4 MARKS]
P.5 • Primary Health Care (PHC)
A Ventilated Improved Pit (VIP) latrine is an improvement over an ordinary pit latrine:
(a) State the function of the tall vent pipe on a VIP latrine. (1 mark)
(b) What is the purpose of the wire fly screen placed at the top of the vent pipe? (1 mark)
(c) Give any two reasons why a VIP latrine does not smell as badly as an ordinary pit latrine. (2 marks)
35.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • Science at Home and in Our Community
(a) What is meant by the term silting?
(b) State the major cause of silting in water bodies.
(c) Apart from killing fish, give one way in which silting affects aquatic life.
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