Science and Elementary Pupil’s complete index number

Technology
Science and Elementary Province/ District Sector School Level Pupil Year
CityPupil’s complete index number
PSET
Technology
Province District Sector School
/ City
Level Pupil Year

18/07/2023 Pupil’s names

09: 00 AM - 11: 00 AM
PSET Surname:.................................................................
Pupil’s names
Other names:...........................................................
18/07/2023 NB: PUPIL’S INDEX NUMBER AND NAMES
Surname: ...............................................
MUST BE WRITTEN AS THEY APPEAR ON THE
09: 00 AM - 11: 00 AM REGISTRATION FORM
Other names: .........................................


NB: PUPIL’S INDEX NUMBER AND NAMES
MUST BE WRITTEN AS THEY APPEAR ON
THE REGISTRATION FORM

NATIONAL EXAMINATION
AND SCHOOL INSPECTION
AUTHORITY

PRIMARY LEAVING NATIONAL EXAMINATIONS, 2022-2023

SCIENCE AND ELEMENTARY TECHNOLOGY

Duration: Two hours
Marks: ͬϭϬϬ

INSTRUCTIONS

1) Do not open this question paper until you are told to do so.
2) This paper has one section.
3) All questions are compulsory and must be answered as instructed.
4) Read each question carefully before answering it.
5) Answer the questions in the space provided in this question paper.
6) You must use a blue or black pen and a pencil for drawing.

2022-2023-NESA (National Examination and School Inspection Authority) PSET WĂŐĞϭŽĨϭϮ


 2022-2023-NESA (National Examination and School Inspection Authority) PSET WĂŐĞϮŽĨϭϮ

Attempt ALL questions.

1) How is agriculture important to humans? (2 marks)

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2) Write down any two ICT tools which are used in communication. (2 marks)

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3) How are plants useful to people? (2 marks)

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4) How can you maintain trees healthy? (2 marks)

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5) Name any one tool that can be used to cut papers when making utility objects.
(1 mark)
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6) Name any two bad effects of heavy rain to the environment. (2 marks)

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2022-2023-NESA (National Examination and School Inspection Authority) PSET WĂŐĞϯŽĨϭϮ


7) Identify any two human activities that can lead to water pollution. (2 marks)

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8) What are metals? (2 marks)

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9) Explain how chicken diseases can be prevented. (2 marks)

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10) Explain the importance of adding fertilizers to soil. (3 marks)

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11) Name any two ways of protecting environment from soil erosion. (2 marks)

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12) Name any two objects that can be made from wires. (2 marks)

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2022-2023-NESA (National Examination and School Inspection Authority) PSET WĂŐĞϰŽĨϭϮ


13) Explain why the sound from a long-distance is clearer during the night than
during the day. (2 marks)

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14) Identify any two major classes of vertebrates. (2 marks)

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15) What is the importance of rabbit keeping? (2 marks)

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16) Give any one tool that is used by mechanics. (1 mark)

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17) State any two ways of maintaining mechanical and blacksmith tools.
(2 marks)
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18) Match the simple machines below to their uses. (4 marks)

Machines Uses
Needle for transporting loads.
Fishing rod for digging.
Wheel barrow for knitting clothes
Hoe for catching fish

2022-2023-NESA (National Examination and School Inspection Authority) PSET WĂŐĞϱŽĨϭϮ


19) Tom and Jane are sitting on a seesaw. If Jane who is 6 cm away from the
fulcrum weighs 40 kg, find the mass of Tom who is 8 cm away from the
fulcrum. (2 marks)

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20) Give any two objects which you can make out of banana fibres. (2 marks)
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21) Give the material from which each of the following objects is made. (4 marks)

Socks ……………………………………………………. ……………………….……………

Dolls……………………………………………………… ……………………….……………

Polygons…………………………………………………………………………..................
Toy car ………………………………………………………………………………………….

22) Mention any two tasks that can be performed using different computer
applications. (2 marks)

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23) Give any one requirement that is needed to open up an E-mail account.
(1 mark)
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24) What is the difference between a file and a folder? (1 mark)

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2022-2023-NESA (National Examination and School Inspection Authority) PSET WĂŐĞϲŽĨϭϮ


25) Define the following terms as they are used in scratch activity: (2 marks)

a) Sprite………………………………………………………………………………………

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b) Animation…………………………………………………………………………………

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26) What advice would you give to people who use fossil fuel as a source
of energy? (2 marks)
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27) State any one danger of polluted air. (1 mark)

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28) What is another name for biodegradable waste? (1 mark)

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29) Apart from vaccinating goats and cattle, name other two ways of preventing
diseases. (2 marks)

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30) Explain the importance of keeping sanitation in an animal farm. (2 marks)

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31) Define the term incubation. (1 mark)

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2022-2023-NESA (National Examination and School Inspection Authority) PSET WĂŐĞϳŽĨϭϮ


32) Draw and label an insect with its 3 major parts. (3 marks)

33) What type of first aid that should be given in case of muscle cramp attack?
(2 marks)

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34) Organize the following crops into legumes, root tubers, vegetables and fruits.
(4 marks)

Beans, Cassava, mango, Cabbage, Soya beans, Carrot, Apple, spinach.

Legumes Root tubers vegetables Fruits

35) Distinguish between balanced diet and carbohydrates. (2 marks)

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2022-2023-NESA (National Examination and School Inspection Authority) PSET WĂŐĞϴŽĨϭϮ


36) Outline any two examples of digestive glands. (2 marks)

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37) Draw a diagram to show an incident ray reflecting after falling on

a plane mirror. (3 marks)

38) Match the following deficiency diseases to their causes. (4 marks)

Diseases Causes
Goitre lack of carbohydrates

Kwashiorkor lack of iodine.

Anaemia lack of proteins.

Marasmus lack of iron.

39) Outline the elements of a balanced diet. (2 marks)

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2022-2023-NESA (National Examination and School Inspection Authority) PSET WĂŐĞϵŽĨϭϮ


40) Complete the following with a correct digestive juice secreted by each body
organ. (2 marks)

a) The liver:…………………………………………………….………………….............

b) Pancreas:………………………………………………..……………….……………….

41) Develop any two ways that can be applied to prepare organic manure.
(2 marks)

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42) Identify the mode of asexual reproduction that can be applied in the crops
below. (2 marks)

a) Straw berry………………………………………………………………….……………

b) Cassava……………………………………………………………………………………

43) How do we call the liquid part of blood? (1 mark)

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44) Name one type of breathing. (1 mark)

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45) What advice can you give to prevent unwanted pregnancy? (2 marks)

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2022-2023-NESA (National Examination and School Inspection Authority) PSET WĂŐĞϭϬŽĨϭϮ


46) What is reproduction? (1 mark)

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47) Give any two ways of maintaining respiratory system. (2 marks)

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48) Name one state of matter. (1 mark)

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49) Name any two objects at home which need magnets to function. (2 marks)

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50) Differentiate between renewable energy and non-renewable energy.

(2 marks)

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END

2022-2023-NESA (National Examination and School Inspection Authority) PSET WĂŐĞϭϭŽĨϭϮ


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2022-2023-NESA (National Examination and School Inspection Authority) PSET WĂŐĞϭϮŽĨϭϮ