KCPE PAST PAPERS 2004: SCIENCE QUESTIONS AND ANSWERS [QNS 01-25]

KCPE PAST PAPERS 2004 SCIENCE QUESTIONS AND ANSWERS

Question 01.

After the incubation period the chick comes out of the shell by

• A. The mother cracking the shell open
• B. Cracking the shell open using its beak
• C. Growing bigger thus forcing the shell to Break.
• D. The shell cracking on its own using her beak.

Question 02.

Some curative drugs are also called.

• A. antibiotics
• B. vaccines
• C. stimulators
• D. painkillers

Question 03.

A jar used of measuring rainfall should be

• A. narrow
• B. wide
• C. short
• D. long

Question 04.

Which one of the following statements about adaptations in animals is NOT CORRECT?

• A. Cheetahs have sharp, curved claws to help them catch their prey
• B. Eagles have strong, curved beaks to help them cut and tear flesh.
• C. Crocodiles have saw-like teeth to help them grip their prey firmly.
• D. Snakes have fangs to hold their prey firmly

Question 05.

Which one of the following is formed first after fertilization?

• A. foetus
• B. embryo
• C. zygote
• D. sex cell

Question 06.

Which one of the following DOES NOT increase the strength of an electromagnet? Increasing the

• A. number of coils
• B. amount of current
• C. size of soft iron
• D. length of connecting wires

Question 07.

A change in the force of gravity on an object will change its

• A. mass
• B. weight
• C. volume
• D. density

Question 08.

In which one of the following machines is the effort equal to the load and the effort distance equal to the load distance?

• A. Inclined
• B. wheel and axle
• C. Lever
• D. single fixed pulley

Question 09.

The force that acts on a given area is called

• A. Weight
• B. gravity
• C. Pressure
• D. friction

Question 10.

Which of the following properties of clay soil would greatly contribute to flooding in an area?

• A. High capillary
• B. poor drainage
• C. Fine texture
• D. stickiness

Question 11.

The main reason why sandy soil is mixed with cement in building is because it

• A. drains well
• B. has large air spaces .
• C. has large particles .
• D. mixes easily with cement

Question 12.

When choosing a method of separating a mixture of liquid and a solid it is important to consider the

• A. density of the liquid
• B. size of particles of the solid
• C. density of the solid
• D. solubility of the solid

Question 13.

Which one of the following is NOT definite for liquids?

• A. Shape
• B. Volume
• C. Mass
• D. Density

Question 14.

In feeding relationships, mice belong to the same group as

• A. Vultures
• B. snakes
• C. Antelopes
• D. lions

Question 15.

The table below shows parts of the human digestive system and their functions

Question 16.

The following were reasons given by pupils to explain why smoke rises. It

(i) Has hot air in it
(ii) Is less dense
(iii) Has particles suspended in air
(iv) is cloudy
Which TWO reasons are correct?

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

Question 17.

A one metre long piece of wood floats on water while a one centimetre long piece of iron rod sinks. This is because of difference In

• A. length
• B. material
• C. weight
• D. shape

Question 18.

The diagram below represents a fishing rod with points labeled P, Q, R and S.

When in use the fulcrum is at point

• A.P
• B.Q
• C.R
• D.S

Question 19.

The table below shows observations made when four soils samples P, Q, R and S were mixed with water and then rolled out to make ribbons

Soil sample Characteristic
P Held its shape.
Q Cracked .
R could not be rolled
S could not hold its shape.
Which one of he samples has the lowest capillarity?

• A.P
• B.Q
• C.R
• D.S

Question 20.

Which one of the following drugs causes drowsiness when abused?

• A. Cocaine
• B. Heroine
• C. Tobacco
• D. Khat

Question 21.

The diagram below represents an improvised liquid thermometer.

​Which one of the following improvements would make the instrument measure smaller changes in temperature?

• A. making the straw narrower
• B. colouring the water
• C. using a plastic bottle
• D. using a larger bottle

Question 22.

The chart below shows a simple classification of small animals.

Question 23.

Which one of the following practices helps to conserve soil by preventing soil erosion?

• A. crop rotation
• B. use of manure
• C. mulching
• D. planting cover crops

Question 24.

Which one of the following pairs of processes involves absorption of heat from the surrounding?

• A. Condensation and evaporation
• B. Freezing and condensation
• C. Melting and freezing
• D. Evaporation and melting

Question 25.

The diagram below shows the beak of a certain bird.

The bird most likely feeds on .

• A. insects
• B. nuts
• C. grains
• D. flesh

MORE STD 8 REVISION RESOURCES

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

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