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

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

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

MORE STD 8 REVISION RESOURCES

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

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