KCPE PAST PAPERS 2010: SCIENCE QUESTIONS AND ANSWERS [QNS 26-50]
Which one of the following groups of machines consists of inclined planes only?
The diagram below represents a set up that is used to demonstrate a certain process.
The process investigated is __________
Which one of the following is NOT a method of conserving energy? Using;
The diagram below represents a set up that is used to investigate a certain aspect of light.
The aspect investigated is ___________
Presence of blood in urine and faeces in human beings may be a sign of _______
Which one of the following pairs of birds have their beaks adapted to the same type of feeding?
Which one of the following methods of preserving food is both modern and traditional?
Which one of the following deficiency diseases is caused by lack of calcium in the diet?
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.
Which one of the following pairs of components of the environment do all animals depend on directly?
Which one of the following foods is CORRECTLY matched to its group?
Food Food group
Which one of the following animal feeds provide a diet of proteins and carbohydrates?
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?
The following are some liquids:
(iii) Fresh milk
(iv) cooking oil
Which two liquids will mix when put in a container?
Which one of the following groups consists of materials that are ALL magnetic?
Which one of the following practices pollutes soil, air and water?
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.
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
Which one of the following diseases CANNOT be prevented by maintaining proper hygiene?
The beginning of energy transformations in a radio that uses dry cells is
The diagram below represents a safety sign when dealing with electricity.
The sign means
The diagram below represents a set up used to investigate a certain aspect of light.
The aspect being investigated is
Which one of the following is a reason why a glass container is likely to break if hot water is poured into it?
On a see-saw a small boy can lift a big boy when
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
KCPE 2010 SCIENCE QUESTIONS AND ANSWERS [QNS 1-25]
Oxygenated blood Deoxygenated blood
(i) Small in size
(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
Which one of the following materials when used to connect wires at position K would make the bulb light?
Germination occurred in ____________
In the diagram the layer of ash is represented by;
Which one of the following is a reason why the instrument could not work?
Component of air Use
Which one of the following statements is TRUE about the weather chart?
Whenever it was .
HIV/AIDS may be spread by
From the results the soil samples X, Y and Z are most likely to be