KCPE PAST PAPERS 2005: SCIENCE QUESTIONS AND ANSWERS [QNS 01-25]

K.C.P.E PAST PAPERS 2005 SCIENCE QUESTIONS AND ANSWERS

Question 01.

Which one of the following sources of energy is renewable?

• A. Kerosene
• B. Biogas from cow dung
• C. Coal .
• D. Cooking gas from crude oil

Question 02.

Which one of the following is the MAIN reason why the inside of a solar drier is painted black?

• A. To prevent rusting.
• B. To make it last longer.
• C. To make it absorb heat.
• D. To decorate it.

Question 03.

The image formed in a pinhole camera is:

• A. upright and smaller than the object
• B. upside down and formed on the screen
• C. upside down and same size as the object
• D. upright and formed on the screen

Question 04.

In a box guitar high sound can be produced without changing the tension of the strings by

• A: Plucking the strings hard.
• B. Increasing the lengths of the string.
• C. Using thinner strings.
• D. increasing the size of the box.

Question 05.

Below is an energy transformation: Chemical —> electrical —> heat —> light

In which one of the following does the energy transformation shown take place when used to
produce light.

• A. Geothermal
• B. Car battery
• C. Electric bulb
• D. Bicycle dynamo

Question 06.

Flowers P, Q, R and S have the following characteristics:

P: Large and loosely held anthers
Q: Presence of nectar
R: Strong scent
S. Light pollen grains
Which two flowers are wind pollinated?

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

Question 07.

A fish is able to move EASILY in water because it

• A. has fins
• B. has hard scales
• C. is streamlined
• D. has gills

Question 08.

Which one of the following plants stores food in the stem?

• A. Carrot
• B. Irish potato
• C. Sweet potato
• D. Onion

Question 09.

A food chain in grassland is shown below

Grass —>Grasshoppers---> Frogs —> Snakes —>Secretary birds.
Which one of the following would most likely happen immediately all snakes are killed?

• A. The frogs would decrease in number.
• B. Grasshoppers would increase in number
• C. The amount of grass would increase
• D. Secretary birds would increase in number

Question 10.

The diagram below represents a section of a heart of a mammal.

 Which one of the following statements is TRUE?

• A. K carries blood into the heart whereas L takes it out.
• B. K has a thin wall whereas L has a thick wall.
• C. K carries deoxygenated blood whereas L carries oxygenated.
• D. K has valves whereas L has no valves.

Question 11.

The following are the activities which are carried out when comparing strengths of acids in fruit juices.

(i) counting the number of drops of each fruit juice required to change the color
(ii) adding the different fruit juice drop by drop in each of the  bottle tops
(iii) adding equal amounts of indicator in each of the bottle tops.
(iv) putting equal amounts of wood ash solution into different bottle tops
Which one of the following is the CORRECT order of the activities?

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

Question 12.

The diagram below represents a setup that can be used to demonstrate a certain property of air.

Which property of air is demonstrated by the set up?

• A. Air exerts pressure in all directions.
• B. Air occupies space
• C. Part of air is used in burning
• D. Air expands when heated.

Question 13.

Which one of the following will pollute water ONLY?

• A. Untreated sewage
• B. Used oil
• C. Part of air is used in burning
• D. Air expands when heated.

Question 14.

The MAIN reason why the government conserves wildlife is to have

• A. Meat from wild animals.
• B. Plant and animal products.
• C. A balance of nature.
• D. Animals for export.

Question 15.

When an object is thrown up in the air ¡t falls because it

• A. is pulled by the earth
• B. exerts pressure
• C. is resisted by air
• D. is as heavy as air

Question 16.

The diagram below represents a simple machine in use.

The machine is an example of

• A. an inclined plane .
• B. a wheel and axle
• C. a lever
• D. a pulley

Question 17.

The reason for using rollers when moving heavy objects on a floor is to

• A. Make objects lighter.
• B. Avoid damaging the floor
• C. Increase speed of moving objects.
• D. Reduce force that opposes movements.

Question 18.

The diagram below represents a weather instrument constructed by a group of pupils who made a mistake while constructing it

The mistake made during the construction was

• A. Closing the mouth of the bottle.
• B. Using little amount of coloured water. .
• C. Having the container with coloured water open. .
• D. Having the scale reading from the bottom.

Question 19.

Which of the following planets are in the second, fifth and eighth positions respectively from the Sun?

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

Question 20.

The function of plasma is to

• A. Fight germs.
• B. Combine with oxygen.
• C. Help in clotting of blood.
• D. Transport food.

Question 21.

Which pair of characteristics is common to lizard, toad, hawk and platypus?

• A. Lays eggs breathes by lungs.
• B. Body temperature varies, breathe by lungs
• C. Have scales lay eggs.
• D. Body temperature varies, have scales.

Question 22.

The table below shows characteristics of four different fruits U, V, W and X

Which one of the fruits is likely to be dispersed by exploding?

• A. U
• B. V
• C. W
• D. X

Question 23.

The diagram below represents a foot of a certain bird.

Question 24.

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

Question 25.

A glass containing ice cubes was placed in the open. After some time the outer surface of the glass became wet. This shows that

A. Air contains water vapour
B. Ice melts to form water
C. Air is a mixture of gases
D. air can be cooled.

MORE STD 8 REVISION RESOURCES

• https://drive.google.com/open?id=1cdxLC-nRPWN1S47IUQNNEB81Aoar4AaT

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