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KCPE PAST PAPERS 2007: SCIENCE QUESTIONS AND ANSWERS [QNS 26-50]

2/9/2019

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KCPE PAST PAPERS 2007: SCIENCE QUESTIONS AND ANSWERS [QNS 26-50]

26.

Which one of the following pairs of processes ia as a result of increase in temperature?

A. Melting and evaporation
B. Condensation and freezing
C. Condensation and evaporation
D. Melting and freezing

27.

The diagram below show a set up that was used to demonstrate a certain property of matter.

The coloured water rises up the straw because

A. Liquids expand when heated
B. Liquids occupy space
C. Air occupies space
D. Air expands when heated

28.

A sufuria made up of steel weighing 1000g floats on water while a nail made of iron weighing 50g sinks.

This is because of difference in:

A. Type of material
B. Shape
C. Volume
D. Mass

29.

Which of the following material will NOT be required in an experiment to show that pressure in a liquid increase with depth?

A. Tin can
B. Water
C. Nail
D. Collecting jar

30.

The diagram below represents a circuit that can be used to make a temporary magnet.

The energy transformation that occurs at the section marked P is

A. Electrical____ magnetic
B. Chemical ____ electrical
C. Heat _____ electricity
D. Chemical ____ magnetic

31.

The following are forms of energy

i. Heat
ii. Electricity
iii. Light
iv. Sound

The two forms of energy that DO NOT require a medium for transmission are

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

32.

The following practices help to conserve energy:

i. Using improved firewood jikos
ii. Switching off light that use hydro-electric power when not needed
iii. Using public transport whenever possible
iv. Using biogas for cooking

Which Two practice conserve non- renewable source of energy?

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

33.

Which of the following is a recommended practice to avoid being struck by lighting?

A. Sheltering under tree
B. Using an umbrella when in an open field
C. Sheltering while leaning on a wall
D. Wearing rubber shoes with thick soles

34.

Which one of the following group consists of only foodstuff that are used for body buiding and repair?

A. Rice, orange, meat
B. Wheat, fish, maize
C. Beans, potatoes, groundnuts
D. Eggs, peas, milk

35.

The function of fibre in the human diet is to

A. Provide the body with nutrients
B. Transport digested food
C. Prevent constipation
D. Help in digestion of food

36.

Which one of following statements is NOT TRUE about the force that opposes movement the force

A. Can be reduced by streamlining
B. Makes the load heavier
C. Increase effort required to move the load
D. Produce heat

37.

A farmer noticed small and shallow channels forming in the soil in the garden due to running water. This type of soil erosion is called

A. Splash
B. Rill
C. Sheet
D. Gulley

38.

Which one of the following plants is a cereal?

A. Millet
B. Coffee
C. Sunflower
D. Peas

39.

Which one of the following consists of a pair plants that CANNOT make their own food?

A. Fern and pine
B. Toadstool and moss
C. Puffball and mould
D. Cedar and yeast

40.

Which one of the following pairs of parasites can be controlled by spraying?

A. Ticks and fleas
B. Liver flukes and tsetse flies
C. Fleas and liver flukes
D. Ticks and tapeworms

41.

Which one of the following sources of electricity pollutes the environment?

A. Geothermal
B. Wind-driven generators
C. Hydro-electric generators
D. Petrol-driven generators

42.

Which one of the following is a natural way of lighting a house ? using a

A. Candle
B. Torch
C. Hurricane lamp
D. Transparent roof

43.

Which one of the following components is found in all environments?

A. Plants
B. Soil
C. Air
D. Water

44.

Which one of the following groups of methods can be used to separate solid mixtures only?

A. Sieving, picking, winnowing
B. Picking, use of magnet, decanting
C. Winnowing, sieving, filtration
D. Use of magnet, filtration
E. Use of magnet, filtration, decanting

45.

Which one of the following DOES NOT function the same way as a bicycle dynamo when used to produce electricity?

A. Hydro-electric generator
B. Car battery
C. Diesel generator
D. Wind driven turbines

46.

The diagram below represent a simple machine.

Which of the position labelled P,Q and R would represent the load, effort and function when the machine is in use?
Load effort fulcrum

A. P Q R
B. R P Q
C. Q P R
D. R Q P

47.

The diagram below represents a block of wood being pushed along pushed a surface towards point X

Which one of the arrows represents the direction of the force of friction?

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

48.

Which one of the following consists of only material that are ALL non-magnetic?

A. Aluminium foil, a shilling coin
B. Iron nails, staple pins
C. Metal scissors, steel wool
D. Piece of glass, sewing needle

49.

The reason why coloured water is used in the construction of a liquid thermometer is to

A. Make it visible
B. Make it expand faster
C. Make it absorb more heat
D. Increase its density

50.

Which one of the following is the largest planet?

A. Mercury
B. Saturn
C. Jupiter
D. Earth

ANSWERS

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KCPE PAST PAPERS 2007: SCIENCE QUESTIONS AND ANSWERS [QNS 1-25]

1/9/2019

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KCPE PAST PAPERS 2007: SCIENCE QUESTIONS AND ANSWERS [QNS 1-25]

Which one of the following is NOT CORRECTLY matched with its function?

	PART	FUNCTION
A.	Oesophagus	passage of food
B.	Stomach	mixes food with enzymes
C.	Small intestine	complete digestion of food
D.	Large intestine	absorbs digested food

2.	Which one of the following is NOT A CORRECt statement about reproduction in human beings? A. Fertilization takes place in the uterus B. The zygote get implanted in the wall of the uterus C. The blood of the mother and foetus do not mix D. Menstruation stop during pregnancy

3.	The blood vessel through which deoxygenated blood flows to the heart is the A. Aorta B. Pulmonary artery C. Vena cava D. Pulmonary vein

4.	Which one of the following changes take place during adolescence in boys only? A. Fast body growth B. Growth of pubic hair C. Chest and shoulders become broader D. Releasing of sex cells

5.	Which of the following statements is TRUE about HIV and AIDS? A. All HIV positive people have AIDS B. During the window stages a person may test negative C. It can be transmitted by sharing utensils D. It is not spread during the asymptomatic phase

6.	Which one of the following is NOT a communicable disease? A. Whooping cough B. Tetanus C. Tuberculosis D. Measles

7.	A child suffering from kwashiorkor should be given a diet rich in A. Carbohydrates B. Fats C. Vitamins D. Proteins

8.	Wearing protective clothing while walking in stagnant water can prevent one from contracting A. Bilharzia B. Typhoid C. Typhoid and cholera D. Bilharzia and cholera

9.	Which of the following statement is CORRECT according to immunization schedule of infacts? A. The first dose of polio is given at 6 weeks B. DPT vaccine is given at birth and 10 weeks C. DPT and measles vaccine are given at 14 weeks D. Polio and BGG vaccines are given at birth

10.

Planets appear bright because they

A. Reflect light
B. Produce light
C. All twinkle
D. Are large

11.

A pupil gave the following reasons as to why dairy cattle are given commercial feeds.

i. To increase milk production
ii. Given only to cattle under zero grazing
iii. To supplement other feeds
iv. Only when folder crops and pasture are not available.

Which two reasons are CORRECT?

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

12.

The diagram below represent a set-up that is used to lift load.

To investigate the force required to lift the load a spring balance must be at

A. P
B. Q
C. R
D. S

13.

The following are some methods of preserving foods:

i. Smoking
ii. Drying
iii. Freezing
iv. Salting
v. Canning

Which method are traditional?

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

KCPE PAST PAPERS 2007: SCIENCE QUESTIONS AND ANSWERS [QNS 1-25]

Which one of the following pairs of machines belongs to the same group as a ladder?

A. Claw hammer and bottle opener
B. Spade and fishing rod
C. Staircase and road winding uphill
D. Handcart and wheelbarrow

15.

The reason why an ordinary jiko without a clay lining is not recommended for use is because

A. It pollutes the environment
B. Of the large amounts of charcoal used
C. It takes a long time when cooking
D. It gets too hot to hold

16.

The following are liquids added together in glass bottles labelled P,Q,R and S by some pupils.

P- kerosene and cooking oil
Q- water and cooking oil
R-milk and water
S- milk and kerosene

Which glass bottle contains liquids that cannot be separated by decanting?

A. P
B. Q
C. R
D. S

17.

Which one of the following plants is green and non-flowering?

A. Mould
B. Onion
C. Sisal
D. Moss

18.

Which one of the following consists of a pair of storage pests?

A. Rats and aphids
B. White ants and rats
C. Aphids and cutworms
D. White ants and cutworms

19.

Which one of the following is a possible food chain that could be found in a grassland inhabited by hawks, frogs, snakes, mice and grasshoppers?

A. Grass----- grasshopper ------frogs----- snakes
B. Grass -----grasshoper-----frogs------mice
C. Grass-----snakes----mice----hawks
D. Grass------ grasshopper -----hawks---snakes

20.

Which one of the following is TRUE for both chickens and frogs? Both

A. Have a constant body temparature
B. Have scales
C. Breath by lungs
D. Feed on insects only

21.

Which one of the following is NOT a rotational method of grazing?

A. Paddocking
B. Herding
C. Tethering
D. Strip

22.

Birds which feed on nectar have

A. Short pointed beaks
B. Strong curved beaks
C. Long slender pointed beaks
D. Long slender curved beaks

23.

In which one of the following practices is water re-used?

A. Using dirty water from the kitchen for watering plants
B. Collecting rainwater from the roof for domestic uses
C. Getting clean water from dirty water by boiling and cooling the steam
D. Storing water in dams to be used in irrigation

24.

The texture of a soil type depends on the

A. Amount of water in the soil
B. Organic matter in the soil
C. Amount of mineral particles in the soil
D. Size of soil particles

25.

The component that makes up 0.97% of air is used in

A. Rusting
B. Preservatiuon of soft drinks
C. Electic bulb
D. Making proteins

ANSWERS

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KCPE PAST PAPERS 2007: SCIENCE QUESTIONS AND ANSWERS [QNS 26-50]

​KCPE PAST PAPERS 2007: SCIENCE QUESTIONS AND ANSWERS [QNS 26-50]

Which one of the following pairs of processes ia as a result of increase in temperature?

The diagram below show a set up that was used to demonstrate a certain property of matter.

A sufuria made up of steel weighing 1000g floats on water while a nail made of iron weighing 50g sinks.

Which of the following material will NOT be required in an experiment to show that pressure in a liquid increase with depth?

The diagram below represents a circuit that can be used to make a temporary magnet.

The following are forms of energy

The following practices help to conserve energy:

Which of the following is a recommended practice to avoid being struck by lighting?

Which one of the following group consists of only foodstuff that are used for body buiding and repair?

The function of fibre in the human diet is to

Which one of following statements is NOT TRUE about the force that opposes movement the force

A farmer noticed small and shallow channels forming in the soil in the garden due to running water. This type of soil erosion is called

Which one of the following plants is a cereal?

Which one of the following consists of a pair plants that CANNOT make their own food?

Which one of the following pairs of parasites can be controlled by spraying?

Which one of the following sources of electricity pollutes the environment?

Which one of the following is a natural way of lighting a house ? using a

Which one of the following components is found in all environments?

Which one of the following groups of methods can be used to separate solid mixtures only?

Which one of the following DOES NOT function the same way as a bicycle dynamo when used to produce electricity?

The diagram below represent a simple machine.

The diagram below represents a block of wood being pushed along pushed a surface towards point X

Which one of the following consists of only material that are ALL non-magnetic?

The reason why coloured water is used in the construction of a liquid thermometer is to

Which one of the following is the largest planet?

KCPE PAST PAPERS 2007: SCIENCE QUESTIONS AND ANSWERS [QNS 1-25]

​KCPE PAST PAPERS 2007: SCIENCE QUESTIONS AND ANSWERS [QNS 1-25]

Which one of the following is NOT CORRECTLY matched with its function?

Which one of the following is NOT A CORRECt statement about reproduction in human beings?

The blood vessel through which deoxygenated blood flows to the heart is the

Which one of the following changes take place during adolescence in boys only?

Which of the following statements is TRUE about HIV and AIDS?

Which one of the following is NOT a communicable disease?

A child suffering from kwashiorkor should be given a diet rich in

Wearing protective clothing while walking in stagnant water can prevent one from contracting

Which of the following statement is CORRECT according to immunization schedule of infacts?

Planets appear bright because they

A pupil gave the following reasons as to why dairy cattle are given commercial feeds.

The diagram below represent a set-up that is used to lift load.

The following are some methods of preserving foods:

Which one of the following pairs of machines belongs to the same group as a ladder?

The reason why an ordinary jiko without a clay lining is not recommended for use is because

The following are liquids added together in glass bottles labelled P,Q,R and S by some pupils.

Which one of the following plants is green and non-flowering?

Which one of the following consists of a pair of storage pests?

Which one of the following is a possible food chain that could be found in a grassland inhabited by hawks, frogs, snakes, mice and grasshoppers?

Which one of the following is TRUE for both chickens and frogs? Both

Which one of the following is NOT a rotational method of grazing?

Birds which feed on nectar have

In which one of the following practices is water re-used?

The texture of a soil type depends on the

The component that makes up 0.97% of air is used in

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