PAPER CODE: 532/1
MOCK REF: PLE-698916
Uganda National Examinations Board
Primary Leaving Examination (Standard Science Mock)
INTEGRATED SCIENCE
TIME: 2h 15m
MARKS: 100
★ 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 15 questions (60 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 danger of bottle feeding to a four-month-old baby. [1 mark]
P.5 • Food and Nutrition
2.
Name the movable joint found between the atlas and axis vertebrae in the neck. [1 mark]
P.7 • The Muscular and Skeletal System
3.
Name the part of an insect used for balancing during flight. [1 mark]
P.6 • Classification of Animals
4.
State the difference between sand soil and clay soil in terms of particle size. [1 mark]
P.4 • Soil
5.
Give any one reason why a burnt or scalded part of the skin is dipped in cold water immediately. [1 mark]
P.6 • Accidents and First Aid
6.
State the function of a ligament at a movable joint. [1 mark]
P.7 • The Muscular and Skeletal System
7.
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
8.
State the biological function of the ciliated cells lining the fallopian tubes. [1 mark]
P.6 • The Reproductive System
9.
Give any one biological change that takes place in flowering plants. [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.
Why are small gaps left between railway rails during track construction? [1 mark]
P.5 • Heat Energy
12.
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
13.
During which type of weather does water evaporate fastest from open surfaces? [1 mark]
P.4 • Weather Changes Around Us
14.
State one characteristic of essential drugs in Primary Health Care. [1 mark]
P.5 • Primary Health Care (PHC)
15.
What is meant by the term annual crops? [1 mark]
P.5 • Crop Growing
16.
Give one road safety practice for pedestrians crossing a busy road. [1 mark]
P.6 • Accidents and First Aid
17.
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
18.
What is Primary Health Care (PHC)? [1 mark]
P.5 • Primary Health Care (PHC)
19.
State any one factor to consider when selecting a suitable site for an apiary. [1 mark]
P.5 • Keeping Poultry and Bees
20.
Why is an insect compelled to shed its outer covering periodically during growth? [1 mark]
P.7 • The Muscular and Skeletal System
21.
How is a burn different from a scald? [1 mark]
P.6 • Accidents and First Aid
22.
What is meant by the term balanced diet? [1 mark]
P.5 • Food and Nutrition
23.
In which method of making water clean do you first allow the impurities to settle at the bottom of a container? [1 mark]
P.6 • Science at Home and in Our Community
24.
State the minimum distance a pit latrine should be dug away from a domestic spring well or borehole. [1 mark]
P.5 • Primary Health Care (PHC)
25.
To which class of vertebrates do tortoises and chameleons belong? [1 mark]
P.5 • Classification of Animals
26.
Give one reason why copper is the preferred metal for manufacturing electrical conducting cables in domestic installations. [1 mark]
P.7 • Electricity
27.
How is tepid sponging useful to a casualty with high fever? [1 mark]
P.6 • Accidents and First Aid
28.
Which part of the human body is affected by Otalgia? [1 mark]
P.6 • Sound Energy
29.
Give any one example of an external parasite (ectoparasite) that attacks cattle. [1 mark]
P.6 • Keeping Cattle
30.
State any one danger of cigarette smoking to the human respiratory system. [1 mark]
P.7 • The Respiratory System
31.
Name any one excretory product eliminated by the human lungs. [1 mark]
P.7 • The Excretory System
32.
State the scientific function of the screen (wire mesh) on top of the vent pipe of a VIP latrine. [1 mark]
P.6 • Sanitation
33.
State one way of increasing the electrical current produced by a bicycle dynamo. [1 mark]
P.7 • Electricity
34.
Name the longest and strongest bone found in the human body. [1 mark]
P.7 • The Muscular and Skeletal System
35.
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
36.
Name any one vital organ protected by the human rib cage. [1 mark]
P.7 • The Muscular and Skeletal System
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 activity a school Science Club can undertake to combat environmental deforestation. [1 mark]
P.5 • Managing Changes in the Environment
39.
What is the color code of the earth wire in a modern standard three-pin plug? [1 mark]
P.7 • Electricity
40.
What happens when cooking oil is poured onto water in a glass? [1 mark]
P.5 • Matter and Energy
Section B: (Questions 41 to 55) — 60 Marks
4 Marks eachQuestion 41 to 55 carry four marks each. All answers must be written in the spaces provided.
41.
Structured & Practical Assessment Item
[4 MARKS]
P.5 • 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)
42.
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)
43.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • Science at Home and in Our Community
(a) Name one plant material from which local salt can be prepared at home.
(b) State the physical method used to prepare local salt from ash.
(c) Give any two ways in which the local salt prepared at home is useful to people.
44.
Structured & Practical Assessment Item
[4 MARKS]
P.5 • Types of Changes in the Environment
Classify each of the following changes taking place in the environment as either a physical, chemical, or biological change:
(a) Burning dry wood into ash (1 mark)
(b) Melting of ice into water (1 mark)
(c) Growth of a puppy into an adult dog (1 mark)
(d) Evaporation of water into steam (1 mark)
45.
Structured & Practical Assessment Item
[4 MARKS]
P.5 • Keeping Goats, Sheep, and Pigs
Livestock breeds have different commercial adaptations:
(a) Name the exotic goat breed kept primarily for high milk production. (1 mark)
(b) Which sheep breed is world-famous for producing fine wool? (1 mark)
(c) Give any two reasons why local indigenous goats like the Small East African goat are preferred by subsistence farmers. (2 marks)
46.
Structured & Practical Assessment Item
[4 MARKS]
P.5 • Crop Growing
Match each crop management practice in Column A with its correct agricultural purpose in Column B:
(a) Mulching
(b) Pruning
(c) Thinning
(d) Weeding
47.
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
48.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • The Reproductive System
Match the reproductive structures in Part A with their correct physiological functions in Part B:
Epididymis
Scrotum
Cervix
Vas deferens
49.
Structured & Practical Assessment Item
[4 MARKS]
P.7 • The Muscular and Skeletal System
The diagram below illustrates a Primary 7 wooden teaching arm model:
[Upper Wood] connected by a [Hinge] to [Lower Wood], with [Cord] and [Rubber Band].
(a) Which bone in the human arm is represented by the upper wood?
(b) Name the muscle represented by: (i) Cord (ii) Rubber band
(c) What anatomical joint is represented by the hinge?
50.
Structured & Practical Assessment Item
[4 MARKS]
P.5 • Keeping Goats, Sheep, and Pigs
A farmer noticed his goats were limping and producing a bad smell from their hooves:
(a) Which livestock disease is the farmer's herd likely suffering from? (1 mark)
(b) State the environmental condition in the goat pen that promotes this disease. (1 mark)
(c) Outline any two measures the farmer should take to control this disease. (2 marks)
51.
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.
52.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • Classification of Animals
(a) Name the group of worms to which each of the following belongs:
(i) Tapeworm and Liver fluke (1 mark)
(ii) Roundworm and Hookworm (1 mark)
(b) State any two ways in which parasitic worms enter the human body. (2 marks)
53.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • Sound Energy
(a) Mention any one example of musical instruments in each of the groups below:
(i) String instrument
(ii) Percussion instrument
(b) Name any two methods of storing sound.
54.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • Science at Home and in Our Community
State the importance of the following steps in cleaning clothes at home:
(i) Sorting
(ii) Soaking
55.
Structured & Practical Assessment Item
[4 MARKS]
P.6 • Accidents and First Aid
(a) Name the kind of water recommended to be used when tepid sponging a casualty of high fever.
(b) State the scientific reason why the water mentioned in (a) is used instead of very cold water.
(c) Mention any two signs of dysentery in humans.
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