SURE KEY EXAMS

SUREKEY EXAMINATIONS BOARD

PRIMARY SEVENPRE-REGISTRATION SET
2025

INTEGRATED SCIENCE

OFFICIAL MARKING
GUIDE
Read the following instruction carefully:
FOR EXAMINERS'
1. Do not forget to write your school or USE ONLY
district name anywhere on this paper. EXR'S
QN.NO. MARKS
2. This paper has two sections: Aand B NO.
Section A has 40 questions and section B 1-10
has 15 questions. The paper has 15
printed pages altogether. 11 - 20

3. Answer all the questions. AIl answers to 21 - 30

both sections A and B must be written in
31 - 40
the spaces provided.
4. Allanswers must be written using a blue 41 - 43.
or black ballpoint pen or ink. Any work 44 - 46
written in pencil will not be marked.
47- 49
5 .Unnecessary changes in your work and
50- 52
handwriting that cannot be read easily
may lead to loss of marks. 53 - 55
6. . DÍ not fill anything in the table indicated: TOTAL
"FOR EXAMINERS' USE ONLY" and
.boxes inside the question paper.
© 2025 Surekey Examinations Board 0700758668 Turn Over
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 SECTION A: 40 MARKS
harvested season after season
1. Name the group of crops that are
Perennial crops.
2 Give any one way of controlling the spread of scabies among children
Regular bathing//ironing clothes//washing clothes//
avoid sharingclothes
State one way in which people can use animal wastes as energy
resources
3.
They are used to produce biogas.
4. Name the part in the human heart that prevents oxygenated blood from
mixing with deoxygenated blood.
septum
5. State the function of the cotyledon in a maize grain during germination.
Supplies food to the embryo.
6. Mention any one tickborne disease in cattle caused by bacteria.
Heartwater disease//anaplasmosis/gall sickness
7. State one reason why aboat floats on water yet it is made up of heavy meta.
Aboat displaces the amount of water equal to its weight.
8 Give any one condition that favours the growth of fungi.
Presence of food//moisture l/warmth
9. State the importance of the sunshine recorder at the weather station.
It showNs/records the duration/length of sunshine.
The diagram below shows amethod of applying fertilisers in the garden. Use it to
answer questions 10 and 11.

10. Name the method of applying fertilisers shown above

Top dressing
11. G0ve any one reason why most farmers do not use uie
method above.
It is tiring//it is time
consuming

12,
State any one way in which the spread of germs through bedding can be
Controlled.
Ironing//washing//proper drying//disinfecting
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 13. Name the type of clouds that are usually seen in the afternoon.
Cumulus clouds
14. State any one human activity that can cause bees to swarm.
Bush burning//industrialisation//deforestation//
harvesting honey usingfire
15. State any one reason why animals make sound.
For communication//to call their youngones/ /to express their
feelings//to meet their mates//due to pain//fear
The diagram below shows afoot of a bird. Use it toanswer questions
16 and 17.
16. Name the group of birds which have the foot above.
Climbing birds
17. Give oneway in which the foot above helps the birds
A to live in their natural environment.
It enables the bird to climb trees to look for
insects.

18. State the importance of the measuringcylinder when finding the volume
of an irregular object.
displaced by
It is used tóaccurately measurethe volume of water
an irregular object.
promote
19. State any one way in which child to child programme helps to
the health of children.
proper use of
It promnotes personal hygiene//promotes of
latrines/toilets//it controls the outbreak diseases like diarrhoea,
ringworm...
20. State any one advantage of proper feeding of poultry.
egg production in
Itenables birds to grow healthy//it increases
broilers//it enables birds
birds//it increases meat production in
togroW well.
human body.
21. Mention one form of breathing that takes place in the
-Inhalation//exhalation//breathing in//breathing out
one life skill that children need to develop in order to safeguard
22. State any (STDS).
themselves against Sexually Transmitted Diseases
Self-esteem//self-control//self-awareness//assertiveness//
decision making
which physical exercises are help to promote the
23. State any one way in system.
proper working of the digestivefood//they prevent obesity
They increase appetite for

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 24. State any one way in which tapeworms benefit from the small intestines.
They get food/shelter
The diagram belowshows adevice used to produce electricity. Use it to answer
questions 25 and 26.
25. Name the form of current electricity produced
by the device above.
Thermal electricity
26. Give any one way in which electricity produced
by the device above can be increase
Increasing the speed of rotation//
Increasing the magnetic field//
increasing the number of turns in coils.
27. Mention any one way in which school children can overcome drug dependency.
Desist bad peer groups//keep busy with books during leisure time//
join good socialclubs//engage in sports activities.
28. Name the state of matter which slows down the movement of sound.
Gases /gas/gaseous state
29. Apart from getting food, give any one other way in which termites benefit
from.soil.
They get shelter//laying grounds/ /protection//building materials.
30. Give any one function of bones in the human body.
They protect the internal body organs//store mineral salts//provide
point for muscle attachment//enable bones to move//
provide support to the human body.
31. Give any one characteristic of venomouS snakes.
They have fangs//triangular head//poison glands
The diagram below showS a method used by some plants to reduce the rate of
transpiration. Use it to answer questions 32 and 33.

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 32.. Identify the method of reducingthe rate of transpiration shown above.
Shedding leaves
33. Give any one example of a plant that reduces the rate of transpiration using
the method above.
Mvule//Sycamore//0ak//Ficus// Fig
34. Apart from forming new substance, state one other way of identifying
chemical changes in the environment.
They are irreversible//substances change their mass//size, shape
and weight of an object change.
35. State any one way in which houseflies contaminate food.
Spitting on food//vomiting on food//defecating on food//
using hairy body/ / landing on food.
36. Name the part of the digestive system affected by the peptic ulcers.
Stomach
37. State any one way in which air exerts pressure is useful in our daily life.
Enables people to drink soda using a straw//drink malwa using a
straw//enables people drawwater from the water pump/
water taps//helps in filling balloons
38. State any one cause of child poisoning at home. in
Keeping chemicals in the reach of children//keeping chemicals
bottles of drinks// leaving expired food in the reach of children
on soil.
39. Mention one way of controlling harmful materials like polythene bags
of
Recyclingwastes/ /detrashing soil//controlled burningplastics and
wastes//burying wastes//recycling wastes//reusing
polythene bags
mixed with water.
40. State the method that can be used to obtain alcohol
Fractionaldistillation
 SECTION B: 60 MARKS

41. (a) Name the communicable disease that requires children to follow
PIASCY messages.
AIDS
(b) Mention any two roles played by school children in order to nremoats
PIASCY messages.
Designing posters with PIASCY messages// recitingpoes
about PIASCY messages//acting dramaabout PIASCY messane
(c) State any one way in which PIASCY messages protect school
children against school dropout.
They prevent teenage pregnancy//they prevent early marriages
42. (a) Apart from egg eating, give any one other example of a poultry vice.
Cannibalism//feather pecking//egg hiding//toe pecking
(b) Explain how debeaking helps to control egg eating in poultry.
Debeaking makes the bird'sbeak blunt (st mar), disabling
the bird from breaking the eggshell. (2d nar
(c) State any one effect of vices in poultry
They lead to reduced egg production//theymanagement.
reduce
tothe farmer//they reduce body insulation of the profits
they can lead to death of birds. birds//
43. The diagram below shows a pregnant mother
and use it to answer the questions that follow. smoking cigarette. Study

(a) Name the form smoking the pregnant mother above is

practising.
Active smoking
(b) Give any two effects of the form smoking above to a
pregnant mother.
Leads to premature birth//still birth//
low birthweight//miscarriage
(b) Write down any one piece of advice you would gve
to the mother above to stop the above habit.
Tostop smoking//to engage in moderate
Exercises

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 pollination.
44. (a) Mention any one agent of
Wind//water//birds//insects (WIBWA)

of light pollen grains, state any one other

a lot
(b) Apart from producing pollinated flowers.
characteristicof wind have weak filaments//
stigmas/ /they
They have hairy than styles
filamentsare longer following;
flowers carry out the
Give the reason why wind pollinated
(c)
() Produce a lot of pollen grains.
of pollination.
chances
To increase the
(ii) produce light pollen grains.
wind
To be easily blown by
Scale in which temperature is measured.
45. (a) Name any one scale//Fahrenheit scale
Celsius scale/centigrade
any two characteristics of a clinical thermometer. to.42°C//
(b) State scale runs from 35°C
constriction/kink//its
Has a
shaking//has an arrow that points to 37°C.
It is reset by
alcohol is used to measure the lowest
Give any one reason why
(c) a maximum and minimum thermometer.
temperature of the day in
It hasa low freezing point.
soil erosion.
46. (a) Give the meaning of the term topsoil by its agents.
Soil erosion is the removal of
with the following items: water, dry soil anda flat
(c) Youare provided can use the items to show splash erosion
hard paper. Describe hoW you
bare land and place it on a flat hard paper.
Collect soilfrom slowly from a high level
container and pour it
Put water in a
into the soil.
pours down on it.
Observe the soil as water scatters
which splashes or
Falling water acts as raindrops
the soil

the following parts on an electric torch;

47. (a) State thefunction of each of
() Bulb. To produce light.
dry cells tightly fixed and closed
(ii) Spring. To it holds the
reasons why atorch with new dry cells may fail
(b) Mention any two
is on.
to produce light when the switchbulb//poorly arranged dry cells//
Faulty switch//poorly fixed used up dry cells)
spring//blown electric bulb (reject
rusty
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 bird. Use it to answer the
48. The diagram below showS a type of change in
following questions.

(a) Name the stages of the bird marked X and Y.

(i) X: egg
(ii) Y: chick
reproduction of the bird.
(b) State the role of the stage marked Z in the
It lays eggs//it incubates eggs
(c) Identify the type of change shown in the diagram above.
Biologicalchange
49. (a) Name the immunisable childhood disease that affects;
The skin. measles
()
(ii) The liver. hepatitis B (reject yellow fever)
(b) Give any two ways of acquiring natural immunity.
Recovering froman illness//taking breast milk

50. The table below shows tuber crops in part A and how they are planted in
part B.

Part A: Tuber crop Part B: How they are planted

White yam Planting vines.
Sweet potato Planting slips.
Cocoyam Planting seeds.
Carrot Planting the tuber
Match correctly the tuber with the ways how they are planted in the
spaces provided below.
(1) White yam. Planting slips.
(ii) Sweet potato. Planting vines.
(i) Cocoyam. Plantingthe tuber.
(iv) Carrot. Plantingseeds.
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 51. (a) Name the type of teeth that have straight edges.
Incisor teeth/incisors
Give any one way in which teeth help aperson to eat food.
(b) food
Theyare used for chewing//tearing food//cutting
teeth in the mouth.
(c) State any two practices that lead to damaging of brushing of
Eating too much biscuits and sweets//irregular
teeth//Biting hard materials using teeth

State any two conditions that can lead to insufficient water in the
52. (a)
human body. burnsand scalds
Severe diarrhoea//severe vomiting//severe
Give any two ways in which the insufficient water in the body can be
(b)
restored.
fluids/I
oral rehydration solution//drinking a lot of
Drinking
eatingalot of fruits.
and answer the
53. The list below shows groupsof mammals. Study it
questions that folow.
kangaroo, spiny anteater, wallaby, hyena
that have.a pouch.
(a) Identify two mammals on the list above
Kangaroo//wallaby
on the list above is
(b) State one way in which the feeding of a hyena
useful to the environment.
environment//
Reduces abandoned flesh in the
reduces bad smellfrom carrion.
onthe list above is regarded
(c) Give one reason why the spiny anteater
as a mammal yet it lays eggs.
young ones
It has a furry body//it breastfeeds its

Name the deficiency disease in children that

requires regular
54. (a)
sunbathing in order to prevent it.
Rickets
two reasons why some children in your community become
( ) State any
malnourished
infestation// due to improper breastfeeding/
Due to tapeworm to natural calamities like drought
due tofood insecurity//due
to poverty
and flods//due tofood taboos/ /due
 any one foodstuff that enriches the body with iron.
(c) Write down
Beans//meat//liver//greenvegetables//milk//tomatoes

diagram below shows amethod of preserving animal skin. Study and

55. The follow.
use it to answer the questions that

(a) Name the methodof preserving animal skin shown in the diagram abov
Suspension drying
(b) State the importanceof sunshine inthe preservation of the animalskin
above.
Heat from the sun dehydrates the skin
(c) State any two advantages of preserving animal skins using the method
above.
Keepsthe skin flat//keeps the skinclean//it is cheap to use

END

10 P2a