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KCPE PAST PAPERS 2011: SCIENCE QUESTIONS AND ANSWERS [QNS 26-50]

31/10/2019

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KCPE SCIENCE 2009 QUESTIONS AND ANSWERS

Question 26.

Which one of the following statements describe a human canine tooth?

A. Chisel shaped with one root.
B. Rough surface with two roots.
C. Rough surface with three roots.
D. Pointed tip with one root.

Question 27.

Which one of the following consists only of parts of the human body where digestion takes place?

A. Mouth and stomach.
B. Large intestines and mouth.
C. Liver and stomach.
D. Large intestines and liver.

Question 28.

Which one of the following statements about reproduction in human beings is CORRECT?

A. Fertilization takes place in the uterus.
B. Ovulation always takes place twice in a month.
C. Uterine wall contracts during birth.
D. The embryo develops into a zygote.

Question 29.

In which one of the following activities is water used for recreation?

A. Watering plants.
B. Cooking.
C. Washing clothes.
D. Swimming.

Question 30.

In which one of the following is water used sparingly?

A. Using domestic waste water to clean toilets.
B. Turning off water taps after use.
C. Recycling waste water from factories.
D. Using harvested rain water for animals to drink.

Question 31.

When constructing a wind vane the

A. pointer should be fixed on a short stand
B. pointer should be firmly held to the stand
C. pointer should be made of cardboard
D. tail of the pointer should be larger than arrow head.

Question 32.

Which one of the following groups of planets are in the CORRECT order in terms of distance from the sun?

A. Venus, Mars, Earth.
B. Earth, Saturn, Jupiter.
C. Jupiter, Saturn, Uranus.
D. Mars, Neptune, Uranus.

Question 33.

The diagram below represents a weather chart prepared by pupils.

Which one of the following statements is CORRECT about the weather chart?

A. Whenever it was sunny it was also calm at the same time.
B. It only rained after calm conditions.
C. Whenever it was rainy it was also windy at the same time.
D. It rained only in the afternoons.

Question 34.

Birds that have short, straight and thick beaks are

A. filter feeders
B. flesh eaters
C. nectar feeders
D. grain eaters.

Question 35.

In which one of the following does the load move through the same distance as the effort when in use?

A. Crowbar.
B. Flagpost.
C. Spade.
D. Clawhammer.

Question 36.

Which one of the following pairs of objects will float on water?

A. Coin and candlewax.
B. Bottle opener and needle.
C. Biro pen casing and rubber band.
D. Nail and bottle top.

Question 37.

During a demonstration to investigate a certain property of matter, soil was put in a small container and then dipped in water in a basin.

This was to show the presence of

A. air in water
B. water in soil
C. minerals in soil
D. air in soil.

Question 38.

Which one of the following pairs of materials are good conductors of electricity?

A. Steelwool and glass.
B. Coin and chalk.
C. Pins and dry wood.
D. Aluminium foil and razor blade.

Question 39.

Which one of the following statements about energy is TRUE? Energy is

A. a push or a pull
B. ability to do work
C. force that moves a load
D. force overcome by a machine.

Question 40.

Driving a motor vehicle with a well maintained engine will mainly control pollution in

A. air only
B. water only
C. soil and air
D. air and water.

Question 41.

A flower which has long feathery stigma and loosely held anthers is also likely to

A. have brightly coloured petals
B. have sweet scent
C. produce many pollen grains
D. produce nectar.

Question 42.

The chart below shows some farm animals and their products

Question 43.

The diagram below shows a set-up used by pupils to carry out an investigation

The investigation was to

A. show how the length of strings used affects balancing of different materials
B. measure amount of force of different material s
C. show how different materials move up and down
D. compare the masses of different materials.

Question 44.

Which one of the following is TRUE about soil that has high water retention? It has

A. large air spaces
B. low capillarity
C. fine texture
D. large particles.

Question 45.

Which one of the following is an effect of soil pollution?

A. Formation of acid rain.
B. Death of small animals.
C. Interferes with photosynthesis.
D. Causes respiratory diseases.

Question 46.

Which one of the following groups consist only of external livestock parasites?

A. Fleas, mites, ticks.
B. Roundworms, lice, mites.
C. Fleas, tapeworms, lice.
D. Mites, roundworms, ticks.

Question 47.

In which one of the following cases is friction a disadvantage?

A. Grinding maize.
B. Writing.
C. A bird flying.
D. Braking.

Question 48.

Which one of the following is a source of electricity?

A. Electromagnet.
B. Bulb.
C. Dynamo.
D. Dam.

Question 49.

Which one of the following are both reasons for lighting a house?

A. Safety and discouraging pests.
B. Drying and discouraging pests.
C. Warming and seeing clearly.
D. Safety and warming.

Question 50.

In a certain investigation on soil, pupils heated soil in a container until smoke was produced. This was to investigate presence of

A. air in soil
B. organic matter in soil
C. water in soil
D. living organisms in soil.

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KCPE PAST PAPERS 2011: SCIENCE QUESTIONS AND ANSWERS [QNS 01-25]

31/10/2019

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KCPE PAST PAPERS 2011: SCIENCE QUESTIONS AND ANSWERS [QNS 01-25]

Question 01:

Which one of the following diseases is a child immunized against at birth, sixth week, tenth week and fourteenth week after birth?

A. Measles.
B. Yellow fever.
C. Tuberculosis.
D. Poliomyelitis.

Question 02:

Which one of the following is advisable when spraying with chemicals?

A. Spraying when the temperatures are very high.
B. Wearing a gas mask when spraying.
C. Spraying against the direction of wind.
D. Washing hands before spraying.

KCPE PAST PAPERS 2011: SCIENCE QUESTIONS AND ANSWERS [QNS 01-25]

Question 03:

Which one of the following pairs consists only of omnivorous animals?

A. Chimpanzee and pig.
B. Chimpanzee and hyena.
C. Hippopotamus and crocodile.
D. Hippopotamus and pig.

Question 04:

The reason why some plants have thick waxy cuticle is to

A. store manufactured food
B. reduce water loss
C. allow breathing to take place
D. trap more sunlight.

Question 05:

Which one of the following consists of groups of food that mainly contain fats?

A. Avocado, groundnuts, coconut.
B. Maize, coconut, beans.
C. Irish potatoes, groundnuts, maize.
D. Irish potatoes, beans, avocado.

Question 06:

The first step in obtaining salt from a mixture of salt solution and pieces of copper wire is

A. filtering
B. winnowing
C. using a magnet
D. evaporating to dryness.

Question 07:

Substances that have definite mass and volume are

A. solids only
B. solids and liquids
C. liquids only
D. liquids and gases.

Question 08:

A lactating mother should feed on a diet rich in calcium and phosphorous in order to

A. enable her to regain strength
B. replace blood lost during birth
C. improve the immunity of the baby
D. strengthen the bones of the baby.

Question 09:

Which one of the following is the most effective preventive measure against the spread of sexually transmitted infections amongst the youth in schools?

A. Seeking medical attention.
B. Use of condoms.
C. Circumcision.
D. Abstinence.

Question 10:

Which one of the following pairs consist only of inclined planes?

A. Wheelbarrow and see-saw.
B. Road winding up a hill and staircase.
C. Ladder and see-saw.
D. Wheelbarrow and staircase.

Question 11:

The percentage of the component of air in the atmosphere used by legumes to make proteins is

A. 78%
B. 21%
C. 0.97%
D. 0.03%.

Question 12:

The following are signs and symptoms of anaemia EXCEPT

A. breathlessness
B. pale white eyes
C. muscle wastage
D. tiredness.

Question 13:

Which one of the following consists only of a pair of animals that have constant body temperature?

A. Shark and whale.
B. Tortoise and ostrich.
C. Shark and bat.
D. Bat and ostrich.

Question 14:

The following are some activities carried out in an experiment to investigate drainage in soil.

(i) Put equal amounts of three types of soil in separate funnels.
(ii) Place the funnels on the mouth of each of the three plastic bottles.
(iii) Put cotton wool in the neck of each funnel.
(iv) Pour equal amounts of water on each type of soil at the same time.
Which one of the following is the CORRECT order of the activities?

A. (i), (ii), (iii), (iv).
B. (iii), (ii), (i), (iv).
C. (i), (iii), (ii), (iv).
D. (ii), (i), (iii), (iv).

Question 15:

Which one of the following methods of soil conservation can be used to control splash erosion?

A. Making terraces.
B. Building gabions.
C. Planting cover crops.
D. Practising contour farming.

Question 16:

The effects of heat on ice that make it change to gaseous form are

A. freezing and condensing
B. melting and evaporating
C. condensing and evaporating
D. freezing and melting.

Question 17:

The chart below represents a simple classification of crops

Which one of the following crops are CORRECTLY represented by W, X, Y and Z?

Question 18:

The following is a feeding relationship that was observed in a certain habitat.

Maize grains --> Rats --> K --> Hawks
Which one of the following is CORRECTLY represented by K?

A. Frogs.
B. Snakes.
C. Weaver birds.
D. Lizards.

Question 19:

Which one of the following pests is CORRECTLY matched with the part of the crop it attacks?

Pest Part of crop attacked

A. Aphids Grains.
B. Stalkborer Leaves.
C. Cutworm Stems.
D. Weevils Leaves.

Question 20:

Which one of the following diagrams represents what is observed when water is poured into a tin can with holes of the same size at different depths?

Question 21:

The diagram below represents a thermometer used to measure temperature of a certain liquid

From the thermometer, the temperature of the liquid is

A 30°C
B 27°C
C 20°C
D 10°C.

Question 22:

The diagram below represents a set-up that was used to demonstrate a certain aspect of heat

The aspect demonstrated was

A. conduction in different solids
B. Convection in water
C. conduction in water
D. expansion in different solids.

Question 23:

To save a person who has touched an exposed electric, wire, one should

A. push the person away using dry wood
B. pull the person from the wire
C. pour cold water on the person
D. shake the person vigorously.

Question 24:

In a certain investigation pupils heated different materials and recorded their findings.

Which one of the following CORRECTLY shows the pupils’ findings?

Question 25:

Which one of the following statements is NOT TRUE about friction. Friction is a force that

A. makes work difficult
B. is reduced by treading tyres
C. can be used to produce fire
D. affect the speed of moving objects.

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KCPE PAST PAPERS 2009: SCIENCE QUESTIONS AND ANSWERS [QNS 26-50]

30/10/2019

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KCPE 2019 SCIENCE QUESTIONS AND ANSWERS

Question 26:

Which one of the following DOES NOT explain why an improved jiko conserves energy? It has

A a cone shape
B walls made of clay
C a small space for holding charcoal
D an outer cover made of metal

KCPE PAST PAPERS 2009: SCIENCE QUESTIONS AND ANSWERS [QNS 26-50]

Question 27:

in which one of the following is work made easier by changing the direction of force applied?

A ladder
B flag post
C staircase
D a road winding up a hill

Question 28:

which one of the following groups of foodstuffs constitutes a balanced diet?

A potatoes, beans, eggs
B chicken, cabbage, beans
C rice, chapati, beef
D peas, ugali, spinach

Question 29:

The diagram below represents a windsock constructed by pupils

A suitable material that can be used to make the part labelled Q is?

A sheet of metal
B manilla paper
C Polythene sheet
D piece of mosquito net

Question 30:

in which one of the following circuit diagrams will the bulb not light?

Question 31:

which one of the following is a way of controlling water pollution?

A recycling sewage water
B reusing domestic water for irrigation
C storing water in dams
D using water sparingly

Question 32:

the MAIN reason why a baby needs to be breastfed by the mother is that the milk produced

A helps to build the baby's immunity
B helps the baby to grow fast
C Helps the baby's bones to be strong
D is easily digested

Question 33:

the following are features of certain types of clouds:

(i) white in color
(ii) appear like bundles of cotton
(iii) dark grey in colour
(iv) mountainous in shape
Which pair of features are for nimbus clouds?

A (i) and (ii)
B (i) and (iv)
C (i) and (iii)
D (iii) and (iv)

Question 34:

the diagram below represents a set-up that can be used to demonstrate certain processes involved in change of state of matter.

The process that takes place at point labelled Q is

A boiling
B condensation
C evaporation
D Freezing

Question 35:

which one of the following activities can be used to demonstrate rill erosion?

A at different positions of a slanting soil surface
B in channels of soil on a slanting surface
C on a flat surface of soil
D on a flat surface using a tin with many holes

Question 36:

which one of the following pairs consist only of materials that are non-magnetic?

A copper and aluminium
B steel and zinc
C silver and steel
D iron and aluminium

Question 37:

which one of the following activities will make an aluminium foil that was floating on water sink?

A increasing amount of water
B rolling the aluminium foil into a tube
C making holes on the aluminium foil
D crushing the aluminium foil into a ball

Question 38:

which one of the following ways of improving soil fertility will take the longest time for plants to get nutrients?

A compost manure
B compound fertilizer
C farmyard manure
D green manure

Question 39:

pupils felt a sample of soil with their fingers. This activity was done to investigate

A soil texture
B presence of water in the soil
C soil capillarity
D presence of small animals in the soil

Question 40:

which one of the following is NOT a practice for maintaining simple tools?

A oiling
B using them for the right purpose
C sharpening
D storing in a safe place

Question 41:

Newton is a unit for

A mass
B force
C pressure
D volume

Question 42:

which one of the following pairs consists of only animals that have webbed feet?

A turkey and crocodile
B kingfisher and flamingo
C Hippopotamus and toad
D Frog and duck

Question 43:

corrugated iron sheets can be damaged when they come into contact with

A oil spills
B herbicides
C industrial gases
D dust

Question 44:

the MAIN reason why black jack weed should be uprooted from a vegetable farm when they are still young is

A because it is easy to uproot the weed
B to avoid loss of soil nutrients
C to reduce loss of water
D to control the spread of the weed

Question 45:

which one of the following is a modern method of preserving food?

A canning
B salting
C smoking
D drying

Question 46:

The following are activities involved in demonstrating that light travels in a straight line:

(i) light a candle and place it at the opposite end of the cardboards
(ii) thread a string through the holes
(iii) observe the candle through the holes
(iv) make a hole at the same level in the three cardboards
(v) cut three similar squares of cardboard and fix each cardboard to a piece of wood
Which one of the following is the correct order of activities?

A (v), (i), (iv), (iii), (ii)
B (v), (iv), (ii), (i), (iii)
C (v), (i), (iv), (ii), (iii)
D (v), (iii), (iv), (ii), (i)

Question 47:

which one of the following groups consists only of cash crops?

A maize, tea, yams
B arrow roots, ground nuts, cotton
C bananas, Irish potatoes, sorghum
D sunflower, sisal, coffee

Question 48:

the purpose of using rollers to move a load is to

A increase the force required to push the load
B reduce the force that hinders movement of the load
C make the load lighter
D control the direction of the movement of the load

Question 49:

which one of the following if TRUE about heat transfer by convection? It takes place in

A solids only
B liquids and gases
C gases only
Solids and gases

Question 50:

the chart below represents a simple classification of liquids

Which liquids are represented by P and Q?
P Q

A methylated spirit milk
B engine oil methylated spirit
C cooking oil milk
D turpentine engine oil

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KCPE PAST PAPERS 2009: SCIENCE QUESTIONS AND ANSWERS [QNS 1-25]

30/10/2019

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KCPE 2009 SCIENCE QUESTIONS AND ANSWERS

Question 01:

Which of the following components of blood is involved in clotting after an injury?

A plasma
B white blood cells
C red blood cells
D platelets

Question 02:

which one of the following shows the CORRECT order of the blood flow in the heart?

A vena cava-->pulmonary artery-->pulmonary vein-->aorta
B pulmonary artery-->vena cava-->pulmonary vein-->aorta
C pulmonary vein-->aorta-->pulmonary artery-->vena cava
D aorta-->pulmonary vein-->vena cava-->pulmonary artery

Question 03:

which one of the following pairs consists only of social effects of drug abuse?

A rape and truancy
B lack of concentration and addiction
C accidents and withdrawal
D impaired judgment and loss of consciousness

KCPE PAST PAPERS 2009: SCIENCE QUESTIONS AND ANSWERS [QNS 1-25]

Question 04:

which one of the following statements is TRUE about the incubation stage of HIV infection?

A if HIV is carried out, the result is negative
B this is the first stage of infection
C there are no visible signs
D The body cannot fight diseases

Question 05:

which one of the following is NOT a CORRECT statement about a foetus?

A receives oxygen through placenta
B the blood of the mother and that of the foetus mix
C Receives food substances from the mother's blood
D waste products are removed through the placenta

Question 06:

which one of the following pairs of infectious consists only of those that are sexually transmitted?

A chancroid and HIV
B gonorrhoea and bilharzia
C syphilis and typhoid
D gonorrhoea and tuberclosis

Question 07:

a ruler placed slanting and partially immersed in water appears bent because light;

A from that part of the ruler under water is reflected
B from that part of the ruler under water is refracted
C from that part of the ruler under water is scattered
D travels in a straight line in the same medium.

Question 08:

the diagram below represents a set-up that can be used to demonstrate a certain aspect of heat

The aspect demonstrated is that;

A solids melt when heated
B metals expand when heated
C solids conduct heat
D Metals bend when heated

Question 09:

which one of the following is a storage pest?

A weaver bird
B white ant
C cut worm
D aphid

Question 10:

which one of the following stores food in the same part of the plant as Irish potato?

A carrot
B sweet potato
C sugarcane
D cassava

Question 11:

the embryo of a seed is made up of?

A plumule and testa
B cotyledon and plumule
C radicle and plumule
D cotyledon and radicle

Question 12:

the following are some characteristics of certain animals

(i) body covered with scales
(ii) lay eggs
(iii) body temperature vary with the surroundings
(iv) breathe through lungs
Which of the following pairs of animals has ALL the characteristics listed?

A turtle and sheep
B lizard and tortoise
C tilapia and frog
D elephant and platypus

Question 13:

which one of the following is the main constituent of a balanced diet obtained by animals which feed on lucerne?

A carbohydrates
B protein
C vitamins
D minerals

Question 14:

which one of the following is NOT an example of rotational grazing?

A strip
B paddocking
C tethering
D herding

Question 15:

the following are activities carried out when modelling the solar system, but not in their correct order.

(i) draw circles on manilla paper to show orbits
(ii) model the planets and the sun using clay
(iii) put name tags and models of planets and the sun
(iv) fix models of planets to orbits and the model of the sun at the centre
(v) paste manilla paper on the soft board
Which one of the following is the CORRECT order in which the activities are carried out?

A (i) (iii) (ii) (iv) (v)
B (i) (iii) (ii) (v) (iv)
C (ii) (iv) (iii) (i) (v)
D (ii) (v) (i) (iv) (iii)

Question 16:

the following are some uses of components of air:

(i) manufacture of electric bulbs
(ii) support burning
(iii) manufacture of soft drinks
(iv) germination of seeds
(v) putting out fires
Which of the uses are for carbon dioxide?

A (i) and (ii)
B (ii) and (iv)
C (iii) and (v)
D (iii) and (iv)

Question 17:

a certain machine when in use, can work with load, effort and fulcrum at different positions as shown in the diagrams I and II.

The machine is a

A wheelbarrow
B crowbar
C spade
D claw hammer

Question 18:

the following are methods of separating mixtures:

(i) picking
(ii) filtering
(iii) decanting
(iv) sieving
Which two methods are suitable for separating a mixture of water and sand?

A (i) and (iii)
B (i) and (iv)
C (ii) and (iii)
D (ii) and (iv)

Question 19:

which one of the following is a CORRECT food chain?

A grass--> rabbit-->eagle-->>leopard
B maize-->grasshopper-->lizard-->snake
C grass-->grasshopper-->eagle-->rabbit
D kales-->aphids-->weaverbird-->rabbit

Question 20:

when pieces of paper are dropped above a fire, they rise. This is because:

A heat makes the paper lighter than air
B paper expands when heated
C Hot air carries the paper upwards
D heat from the fire carries the paper upwards

Question 21:

The diagram below represents a set-up that was used to demonstrate a certain property of matter

The property demonstrated was

A air occupies space
B water exerts pressure
C Air has mass
D water occupies space

Question 22:

which one of the following materials allow light to pass but one cannot see through it clearly?

A frosted glass
B mirror
C clean water
D milk

Question 23:

which one of the following is the BEST method of managing plastic waste?

A burning
B burying
C recycling
D reusing

Question 24:

Which one of the following diseases can be prevented by wearing gumboots and gloves?

A typhoid
B malaria
C bilharzia
D cholera

Question 25:

which one of the following practices is an advantage to the soil?

A ploughing across the contours
B disposal of vegetable refuse
C burning of crop remains
D use of herbicides

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KCPE PAST PAPERS 2010: SCIENCE QUESTIONS AND ANSWERS [QNS 26-50]

29/10/2019

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KCPE PAST PAPERS 2010: SCIENCE QUESTIONS AND ANSWERS [QNS 26-50]

Question 26:

Which one of the following groups of machines consists of inclined planes only?

A. Ladder, spade, crowbar.
B. Staircase, ladder, a road winding up a hill.
C. Spade, staircase, ladder.
D. A road winding up a hill, craw hammer, crowbar.

Question 27:

The diagram below represents a set up that is used to demonstrate a certain process.

The process investigated is __________

A. evaporation
B. freezing
C. condensation
D. convection

Question 28:

Which one of the following is NOT a method of conserving energy? Using;

A. a wind mill to pump water
B. biogas for cooking
C. solar panels to produce electricity
D. a traditional jiko for cooking

Question 29:

The diagram below represents a set up that is used to investigate a certain aspect of light.

The aspect investigated is ___________

A. light travels in a straight line
B. refraction .
C. reflection
D. passage of light through materials

Question 30:

Presence of blood in urine and faeces in human beings may be a sign of _______

A. typhoid
B. bilharzia
C. malaria
D. cholera

Question 31:

Which one of the following pairs of birds have their beaks adapted to the same type of feeding?

A. chicken and duck
B. sunbird and chicken
C. eagle and hawk
D. hawk and duck

Question 32:

Which one of the following methods of preserving food is both modern and traditional?

A. Salting
B. Using honey
C. Smoking
D. Drying

Question 33:

Which one of the following deficiency diseases is caused by lack of calcium in the diet?

A. Anaemia
B. Kwashiorkor
C. Rickets
D. Marasmus

Question 34:

Which one of the following statements is NOT TRUE about commercial feeds for animals?

A. They are given mainly for protection against diseases.
B. Some are given as the only feed.
C. They are given mainly to increase production.
D. Some are given together with other feeds.

Question 35:
Which one of the following pairs of components of the environment do all animals depend on directly?

A. Soil and plants
B. Air and water
C. Soil and air
D. Mineral salts and water

Question 36:

Which one of the following foods is CORRECTLY matched to its group?

Food Food group

A. Groundnuts Energy giving
B. Eggs Protective
C. Carrots Energy giving
D. Bananas Body building

Question 37:

Which one of the following animal feeds provide a diet of proteins and carbohydrates?

A. Clover and Lucerne
B. Sunflower seeds and barley grains
C. Sunflower seeds and maize grains
D. Lucerne and maize grain

Question 38:

The diagram below represents a person pushing a heavy log of wood along a flat surface.

Which one of the following changes would make the person push the log more easily?

A. Smearing oil on the flat surface.
B. Wearing shoes with rough soles.
C. Smearing oil on the log of wood.
D. Placing rollers on the flat surface.

Question 39:

The following are some liquids:

(i) Water
(ii) Kerosene
(iii) Fresh milk
(iv) cooking oil
Which two liquids will mix when put in a container?

A. (i) and (iv).
B. (ii) and (iii).
C. (iii) and (iv).
D. (ii) and (iv).

Question 40:

Which one of the following groups consists of materials that are ALL magnetic?

A. Staple pins, scissors, metallic bottle top.
B. Silver coin, knife, marble balls.
C. Ball bearing, copper coin, razor blade.
D. Hack-saw, steel wool, Aluminium plate.

Question 41:

Which one of the following practices pollutes soil, air and water?

A. Use of all farm chemicals.
B. Burning of tyres and plastics.
C. Dumping of industrial waste.
D. Use of artificial fertilisers.

Question 42:

If medicine remains after taking the prescribed dose, it is advisable to

A. keep and use it later
B. dispose off the medicine
C. continue taking until it is finished
D. give it to someone with the same sickness.

Question 43:

Which one of the following is most likely to cause damage to corrugated iron sheets on buildings’? Gases from

A. aerosol sprays
B. burning farm wastes
C. industries
D. sewage.

Question 44:

Which one of the following diseases CANNOT be prevented by maintaining proper hygiene?

A. Typhoid.
B. Bilharzia.
C. Cholera.
D. Malaria.

Question 45:

The beginning of energy transformations in a radio that uses dry cells is

A. electrical
B. magnetic
C. chemical
D. sound

Question 46:

The diagram below represents a safety sign when dealing with electricity.

The sign means

A. do not insert objects into electric socket
B. do not use appliances with damaged plugs or wires
C. do not plug in many electrical appliances
D. do not get near.

Question 47:

The diagram below represents a set up used to investigate a certain aspect of light.

The aspect being investigated is

A. reflection of light
B. making a rainbow
C. refraction of light
D. how light travels.

Question 48:

Which one of the following is a reason why a glass container is likely to break if hot water is poured into it?

A. Sudden expansion of the inner side of the glass wall.
B. Sudden expansion of air in the container.
C. Sudden contraction of the outer side of the glass wall.
D. The fact that the heated water had expanded.

Question 49:

On a see-saw a small boy can lift a big boy when

A. the small boy stands on it
B. the big boy moves closer to the fulcrum
C. the two boys interchange positions
D. the two boys move equal distances away from the fulcrum.

Question 50:

The following are steps followed investigating the force required to lift using a fixed pulley but not in their order:

(i) Tie the load with a string
(ii) Pass the string with the load through the pulley on the support
(iii) Pull the spring balance and measure
(iv) Fix the pulley on the support
(v) Tie the spring balance at the end of string.
The CORRECT order of steps to be followed is

A. (ii), (i), (iv), (v), (iii)
B. (i), (ii), (iv), (v), (iii)
C. (v), (i), (ii), (iv), (iii)
D. (iv), (i), (ii), (v), (iii)

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KCPE PAST PAPERS 2010: SCIENCE QUESTIONS AND ANSWERS [QNS 1-25]

29/10/2019

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KCPE 2010 SCIENCE QUESTIONS AND ANSWERS [QNS 1-25]

01:

Which one of the following pests attack seedlings?

A. Stalk borers
B. Aphids
C. Cut worms
D. Weaver birds

02:

Which one of the following pairs of vessels is CORRECTLY matched with the type of blood they carry?

Oxygenated blood Deoxygenated blood

A. Aorta Pulmonary artery
B. Vena cava Pulmonary vein
C. Pulmonary artery Vena cava
D. Aorta Pulmonary vein

03:

Which one of the following pairs of parasites attacks both poultry and rabbits?

A. Mites and lice
B. Lice and ticks
C. Mites and fleas
D. Ticks and mites

04:

Which one of the following statements about a bean seed is NOT CORRECT?

A. The radicle develops into a shoot and plumule into a root.
B. The micropyle allows air and water to enter the seed.
C. The hilum is a scar where the seed was attached to the fruit wall.
D. The radicle emerges from the seed before the plumule during germination.

05:

The following are some characteristics of flowers:

(i) Small in size
(ii) Scented
(iii) Long feathery stigma
(iv) Produce fewer and large sticky pollen grains
Which one of the following pairs of characteristics is for a wind pollinated flower

A. (I) and (iv)
B. (ii) and (iv)
C. (ii) and (iii)
D. (i) and (iii)

06:

The diagram below represents a set up that can be used to investigate good and poor conductors of electricity.

Which one of the following materials when used to connect wires at position K would make the bulb light?

A. Piece of thread
B. Razor blade
C. Piece of glass
D. Cello tape

07:

The diagram below represents a set up used by pupils to investigate conditions necessary for seed germination.

Germination occurred in ____________

A. Q, S and T
B. P and Q
C. P, R and T
D. R and S

08:

Which one of the following is an adaptation of plants in wet areas?

A. Fleshy leaves
B. Fewer leaves
C. Thick barks
D. Broad leaves

09:

In the diagram the layer of ash is represented by;

A. K
B. L
C. M
D. N

10:

The diagram below represents a windsock that was constructed by pupils.

Which one of the following is a reason why the instrument could not work?

A. The sock is made up of a strong polythene sheet.
B. End Q is larger than end P.
C. A strong wire was used to make end P.
D. A long, strong wooden pole was used to suspend the sock.

11:

Which one of the following pairs Consists only of materials that would not sink in water even when their shape is changed?

A. Wax and wood
B. Wood and Aluminium
C. Aluminium and glass
D. Glass and wax

12:

Which one of the following components of air is NOT CORRECTLY matched with its use?

Component of air Use

A. Nitrogen Used by plants to make proteins.
B. Carbon dioxide Manufacture of soft drinks.
C. Oxygen Manufacture of plant food.
D. Inert gases In electric bulbs.

13:

Which one of the following pairs of diseases are infants immunized against at the 9th month after birth?

A. Tuberculosis and polio.
B. Tetanus and whooping cough.
C. Hepatitis B and diphtheria.
D. Measles and yellow fever.

14:

The chart below represents a weather record for five days.

Which one of the following statements is TRUE about the weather chart?
Whenever it was .

A. sunny in the morning, it was windy in the afternoon
B. cloudy in the morning, it was sunny in the afternoon
C. calm in the morning, it was sunny in the afternoon
D. windy in the morning, it rained in the afternoon

15:

Which one of the following statements is TRUE about some levers when in use?

A. in a crowbar the load is between the effort and the fulcrum.
B. In a crowbar, the effort is between the load and the fulcrum.
C. In a wheelbarrow, the fulcrum is between the load and the effort.
D. in a spade, the effort is between the load and the fulcrum.

16:

Which one of the following statements is NOT TRUE about HIV/AIDS?

HIV/AIDS may be spread by

A. sharing of unsterilized razor blades.
B. coming in contact with other people’s body fluids.
C. shaking hands and hugging infected persons.
D. transfusing unscreened blood.

17:

Which of the following planets are in the fifth and seventh positions from the sun respectively?

A. Mars and Saturn.
B. Jupiter and Uranus.
C. Jupiter and Saturn.
D. Mars and Uranus.

18:

In the human body water is absorbed in the

A. large intestines
B. small intestines
C. stomach
D. rectum

19:

Which one of the following pairs consists only of substances that are in the state of matter?

A. Oil and water vapour.
B. Wax arid glue.
C. Ice and water.
D. Air and water vapour.

20:

Pupils investigated capillarity in different types of soil. Their results were as shown in the diagram below.

From the results the soil samples X, Y and Z are most likely to be

A. X-Clay Y-Loam Z-Sand
B. X-Sand Y-Clay Z-Loam
C. X-Clay Y-Sand Z-Loam
D. X-Sand Y-Loam Z-Clay

21:

In an experiment to investigate a certain component of soil, water was added to garden soil in a glass container. The component of soil investigated was;

A. air
B. mineral particles
C. living organisms
D. organic matter

22:

Which of the following organs in the human body both produce sex cells?

A. Ovary and uterus
B. Testis and penis
C. Ovary and testis
D. Penis and vagina

23:

Tapeworms in livestock are found in the:

A. large intestines
B. stomach
C. lungs
D. small intestines

24:

Which one of the following mixtures can be separated by winnowing?

A. Flour and husks.
B. Maize and millet.
C. Rice and sand.
D. Millet and husks

25:

Which one of the following groups of sources of energy consists of only sources that have chemical energy?

A. Charcoal, kerosene, food.
B. Dynamo, drycell, firewood.
C. Biogas, hydroelectric power generator, matches.
D. Geothermal, generator, cooking gas, car battery.

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KCPE PAST PAPERS 2008: SCIENCE QUESTIONS AND ANSWERS (QNS 26 - 50)

27/10/2019

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SCIENCE QUESTIONS AND ANSWERS

26:
>> Which one of the following is NOT a source of light?

A. Moon
B. Firefly
C. Star
D. Sun

27:
>> The chart below represented a simple classification of polluntants.

28:
>> The MOST appropriate method of separating a mixture of sand and salt after addition of water is

A. Decanting
B. Filtering
C. Sieving
D. Evaporating

29:
>> In which one of the following processes is oxygen NOT used?

A. Making plant food
B. Burning
C. Breathing
D. Germination of seed

30:
>> Which one of the following statements about HIV and AIDS is TRUE?

A. People living with HIV and AIDS are thin
B. HIV and AIDS is a curse
C. Premarital sex is the only mode of transmission of HIV and AIDS
D. People living with HIV and AIDS are advised to eat small amount of food at a time

31:
>> Which one of the following is NOT an essential constituent of commercial animal feeds?

A. Water
B. Vitamins
C. Proteins
D. Carbohydrates

32:
>> Which one of the following is likely to cause an increased growth of water plants in a nearby river? The presence of a

A. Market center
B. Factory
C. Garage
D. Tea farm

33:
>> A child with thin and brown hair, swollen hands, feet and face is also likely to

A. Have knock knees
B. Appear weak and inactive
C. Have a face like an old person
D. Have faster heart beats.

34:
>> Which one of the following statements is NOT TRUE about manures? They

A. Improve the ability of the soil to hold water
B. Bind soil particles
C. Release nutrients very fast to the soil
D. Improve air circulation in the soil

35:
>> Which one of the following is a function of fibre in the diet?

A. Helps in getting rid of undigested food
B. Helps in absorption of digested food
C. Adds nutrients to the body
D. Helps in digestion of food

36:
>> Draining of stagnant water can prevent the spread of

A. Cholera and typhoid
B. Bilharzia and malaria
C. Typhoid and malaria
D. Cholera and bilharzia

37:
>> Which one of the following DOES NOT produce electricity?

A. Bicycle dynamos
B. Batteries
C. Water dams
D. Solar panel

38:
>> Which one of the following description of beaks would be for a bird tha most likely feed on nectar?

A. Short and curved
B. Long and curved
C. Short and strong
D. Long and straight

39:
>> Which one of the following animals belongs to be same group as a weevil?

A. Crab
B. Mite
C. Spider
D. Termite

40:
>> Which of the following statement is NOT CORRECT about a windsock?

A. Is open at both ends
B. Gets filled with air and rises
C. Points to the direction from wind blows
D. Should placed in the open field

41:
>> Which one of the following example of lever has the position of effort between the position of load and fulcrum when in use?

A. Spade
B. Wheelbarrow
C. Claw hammer
D. Crow bar

42:
>> The diagram below represents a set-up that is used to investigate a certain property of light.

The property investigated is that light

A. Is refracted
B. Travel in a straight line
A. Is dispersed
B. Does not pass through opaque

43:
>> Which one of the following groups of sources of energy consistsof only renewable sources?

A. Firewood, kerosene, waterfall
B. Wind, charcoal, biogas
C. Diesel, waterfall, wind
D. Biogas, kerosene, firewood

44:
>> Which one of the following is NOT a reason for lighting a house?

A. For safety purpose
B. To discourage pests
C. To feel warm
D. To read comfortably

45:
>> The following are ways of maintaining tools EXCEPT:

A. Cleaning after use
B. Greasing
C. Sharpening
D. Using them regularly

46:
>> Which one of the following effect of drug abuse consists of only social effects?

A. Theft and lack of concentration
B. Drug induced accidents and trauncy
C. Rape and withdrawal symptoms
D. Drug addiction and loss of consciousness

47:
>> The presence of thick white and mountain shaped clould are a sign of

A. Heavy rain falling soon
B. Low temperature
C. Fine weather
D. Strong winds blowing

48:
>> A lactating mother needs foods rich in iron

A. To protect the baby against disease
B. For the formation of strong bones in the baby
C. To increase milk production
D. To replace blood lost during birth

49:
>> The component of soil that improves its water holding capacity is

A. Minerals salts
B. Air
C. Organic matter
D. Living organisms

50:
>> Which one of the following BEST describe the term environment?

A. The surrounding of a living organism
B. Where a living organism obtains food from
C. Where a human being lives
D. The home of a living oraganism

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KCPE PAST PAPERS 2008: SCIENCE QUESTIONS AND ANSWERS [QNS 1-25]

27/10/2019

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KCPE PAST PAPERS 2008: SCIENCE QUESTIONS AND ANSWERS [QNS 1-25]

1:
>> A card with the word BRICK written on it was placed in front of a mirror. Which one of the following shows how would appear in the mirror?

2:
>> Absorption of water in the alimentary canal of human beings takes place in the

A. Stomach
B. Duodenum
C. Small intestine
D. Large intestine

3:
>> Standard five pupils observed and grouped some small animals. Which one of the following animals were CORRECTLY grouped?

A. Ant, tick, spider
B. Beetle, moth, ant
C. Spider, weevil, beetle
D. Tick, moth, weevil

4:
>> Which one of the following groups consists of non-flowering plants only?

A. Moss, grass, pine
B. Fern, algae, pine
C. Moss, algae,cabbage
D. Cabbage, grass, fern

5:
>> Which one of the following statements about vertebrates is TRUE?

A. Fish and amphibians have scales
B. Amphibians and reptiles lay their eggs on land
C. Fish and bird have constant body temperature
D. Reptiles and birds lay fertilized eggs

6:
>> The diagram below shows parts of a flower.

Which one of the labelled parts is NOT CORRECTLY matched with its function?
Part function

A. W receives pollen grains
B. X produces pollen grains
C. Y develops into a seed after fertilization
D. Z protects inner parts of a flower

7:
>> Which one of the following parts of a maize grain is CORRECTLY matched with its function?

Part function

A. Cotyledon protect inner parts
B. Plumule develops into roots
C. Endosperm store food
D. Radicle develop into shoot

8:
>> Which one of the following is NOT an excretory organ?

A. Skin
B. Lung
C. Kidney
D. Rectum

9:
>> Which one of the following are the percentages of carbon dioxide and nitrogen in the air?

A. 1% and 21%
B. 0.03% and 78%
C. 21% and 78%
D. 0.03% and 1%

10:
>> The processes I,II, III and IV in the chart below bring about changes in states of matter.

The processes that required increase in temperature are:

A. III, IV
B. I, II
C. II, IV
D. I, III

11:
>> The diagram below show a set-up that was used to investigate a certain property of air.

Which one of the following would NOT be observed if the tin can was heated gently?

A. Bubble in the basin
B. Drop of ink moving towards water in the basin
C. Water level in the basin decreasing when heating is stopped
D. Water level in the glass tube decreasing when heating is stopped.

12:
>> Which on of the factors will NOT affect sinking and floating of a material in water? The

A. Mass of the material
B. Type of the material
C. Shape of the material
D. Size of the material

13:
>> In which on of the following activities is friction LEAST needed?

A. Writing
B. Riding a bicycle
C. Walking
D. Using pulleys

14:
>> Which one of the following statement about a single fixed pulley is TRUE? The effort

A. Moves a shorter distance than the load
B. And the load move the same distance
C. Moves twice the distance the load moves
D. Required is half the load

15:
>> Standard five pupils added equal amount of water to three equal amounts of soil samples J,K and L in funnels as shown in the diagram below.

After 10 minutes the pupils measured the amount of water that had drained through each soil sample.

Which one of the following statements is a CORRECT conclusion from the results obtained?

A. J has larger particles than L
B. K has larger particles than L
C. K has larger particles than J and L
D. L has larger particles than J and K

16:
>> Which one of the following consists of magnetic materials only?

A. Tin, aluminium, copper
B. Iron, steel, cobalt
C. Tin, iron, copper
D. Aluminium, steel, Cobalt

17:
>> When breathing in the

A. Diaphragm flattens
B. Lungs shrinks
C. Diaphragm becomes domes shaped
D. Volume of the chest decrease

18:
>> Which one of the following LEAST conserves soil?

A. Mulching
B. Planting cover crops
C. Contour ploughing
D. Terracing

19:
>> A person intends to push a drum full of oil along an inclined plane on to a platform. Decreasing the slope of the inclined plane would

A. Decrease effort applied
B. Decrease effort distance
C. Decrease load distance
D. Not effect the effort applied

20:
>> Which of the following information is usually given when obtaining medicine from a pharmacy?

A. Expiry date
B. Disposal method of containers
C. The dose
D. How to store the medicine

21:
>> The following are tuber crops EXCEPT:

A. Onion
B. Cassava
C. Arrowroot
D. Carrot

22:
>> When sand particles are put in a glass of cold water and heated at the bottom the particles are seen to rise and fall. This is because sand particles

A. Are carried by hot water which comes down on cooling
B. Rise when heated and come down on cooling
C. Become lighter than water when heated
D. And water rise when heated and come down on cooling

23:
>> Which one of the following shows the 4th and 7th planets from the sun?

A. Venus, neptune
B. Jupiter, saturn
C. Mars, uranus
D. Jupiter, uranus

24:
>> Which one of the following shows the correct order of energy changes that take place when a bulb is connected to a dry cell to produce light?

A. Chemical__ heat ___electrical ___light
B. Electrical ___ chemical____heat ___ light
C. Chemical ___ electrical ____heat ____ light
D. Electrical ___heat ____ chemical ___ light

25:
>>Which one of the following consists of only characteristics of insect pollinated flowers?

A. Sweet scented, large number of pollen grains
B. Brightly coloured petals, sticky pollen grains
C. Light pollen grains, sweet scented
D. Brightly coloured petal, light pollen grains

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KCPE PAST PAPERS, EXAMS

KCPE PAST PAPERS 2011: SCIENCE QUESTIONS AND ANSWERS [QNS 26-50]

KCPE SCIENCE 2009 QUESTIONS AND ANSWERS

Which one of the following statements describe a human canine tooth?

Which one of the following consists only of parts of the human body where digestion takes place?

Which one of the following statements about reproduction in human beings is CORRECT?

In which one of the following activities is water used for recreation?

In which one of the following is water used sparingly?

When constructing a wind vane the

Which one of the following groups of planets are in the CORRECT order in terms of distance from the sun?

The diagram below represents a weather chart prepared by pupils.

Birds that have short, straight and thick beaks are

In which one of the following does the load move through the same distance as the effort when in use?

Which one of the following pairs of objects will float on water?

During a demonstration to investigate a certain property of matter, soil was put in a small container and then dipped in water in a basin.

Which one of the following pairs of materials are good conductors of electricity?

Which one of the following statements about energy is TRUE? Energy is

Driving a motor vehicle with a well maintained engine will mainly control pollution in

A flower which has long feathery stigma and loosely held anthers is also likely to

The chart below shows some farm animals and their products

The diagram below shows a set-up used by pupils to carry out an investigation

​Which one of the following is TRUE about soil that has high water retention? It has

Which one of the following is an effect of soil pollution?

Which one of the following groups consist only of external livestock parasites?

In which one of the following cases is friction a disadvantage?

Which one of the following is a source of electricity?

Which one of the following are both reasons for lighting a house?

In a certain investigation on soil, pupils heated soil in a container until smoke was produced. This was to investigate presence of

KCPE PAST PAPERS 2011: SCIENCE QUESTIONS AND ANSWERS [QNS 01-25]

​KCPE PAST PAPERS 2011: SCIENCE QUESTIONS AND ANSWERS [QNS 01-25]

Which one of the following diseases is a child immunized against at birth, sixth week, tenth week and fourteenth week after birth?

Which one of the following is advisable when spraying with chemicals?

Which one of the following pairs consists only of omnivorous animals?

The reason why some plants have thick waxy cuticle is to

Which one of the following consists of groups of food that mainly contain fats?

The first step in obtaining salt from a mixture of salt solution and pieces of copper wire is

​Substances that have definite mass and volume are

A lactating mother should feed on a diet rich in calcium and phosphorous in order to

Which one of the following is the most effective preventive measure against the spread of sexually transmitted infections amongst the youth in schools?

Which one of the following pairs consist only of inclined planes?

The percentage of the component of air in the atmosphere used by legumes to make proteins is

The following are signs and symptoms of anaemia EXCEPT

Which one of the following consists only of a pair of animals that have constant body temperature?

The following are some activities carried out in an experiment to investigate drainage in soil.

Which one of the following methods of soil conservation can be used to control splash erosion?

The effects of heat on ice that make it change to gaseous form are

The chart below represents a simple classification of crops

The following is a feeding relationship that was observed in a certain habitat.

Which one of the following pests is CORRECTLY matched with the part of the crop it attacks?

Which one of the following diagrams represents what is observed when water is poured into a tin can with holes of the same size at different depths?

The diagram below represents a thermometer used to measure temperature of a certain liquid

The diagram below represents a set-up that was used to demonstrate a certain aspect of heat

To save a person who has touched an exposed electric, wire, one should

In a certain investigation pupils heated different materials and recorded their findings.

Which one of the following statements is NOT TRUE about friction. Friction is a force that

KCPE PAST PAPERS 2009: SCIENCE QUESTIONS AND ANSWERS [QNS 26-50]

KCPE 2019 SCIENCE QUESTIONS AND ANSWERS

Which one of the following DOES NOT explain why an improved jiko conserves energy? It has

in which one of the following is work made easier by changing the direction of force applied?

which one of the following groups of foodstuffs constitutes a balanced diet?

The diagram below represents a windsock constructed by pupils

in which one of the following circuit diagrams will the bulb not light?

which one of the following is a way of controlling water pollution?

the MAIN reason why a baby needs to be breastfed by the mother is that the milk produced

the following are features of certain types of clouds:

the diagram below represents a set-up that can be used to demonstrate certain processes involved in change of state of matter.

which one of the following activities can be used to demonstrate rill erosion?

which one of the following pairs consist only of materials that are non-magnetic?

which one of the following activities will make an aluminium foil that was floating on water sink?

which one of the following ways of improving soil fertility will take the longest time for plants to get nutrients?

pupils felt a sample of soil with their fingers. This activity was done to investigate

which one of the following is NOT a practice for maintaining simple tools?

Newton is a unit for

which one of the following pairs consists of only animals that have webbed feet?

corrugated iron sheets can be damaged when they come into contact with

the MAIN reason why black jack weed should be uprooted from a vegetable farm when they are still young is

which one of the following is a modern method of preserving food?

The following are activities involved in demonstrating that light travels in a straight line:

which one of the following groups consists only of cash crops?

the purpose of using rollers to move a load is to

Which one of the following is TRUE about soil that has high water retention? It has

KCPE PAST PAPERS 2011: SCIENCE QUESTIONS AND ANSWERS [QNS 01-25]

Substances that have definite mass and volume are