KCPE PAST PAPERS 2012: SCIENCE QUESTIONS AND ANSWERS [QNS 26-50]
A card made in the shape of letter E and numbers 1,2 and 3 written on it was placed in front of a mirror as shown in the diagram below.
Which of the following CORRECTLY represents the image as seen in the mirror?
The reason why improved jikos have a clay lining is to
Which of the following practices will NOT result in a person getting an electric shock?
Which of the following groups of sources of energy are renewable?
Which of the following pairs of food is preserved by smoking, salting and drying?
Which of the following is the MAIN reason why eating bread after expiry date is discouraged? The bread could have
Which of the following pairs consists of diseases caused by lack of minerals in the diet?
A hilly area with deep channels is LIKELY to be experiencing
The diagram below shows an improvised rain gauge.
The collecting bottle should
The diagram below represents a model of the solar system prepared by class six pupils.
The mistake made in the model was
The MAIN reason why mothers are encouraged to breast feed their infants is because breast milk
A person in the incubation period of HIV infection will show
Which of the following is a preventive measure against the spread of tuberculosis?
In which of the following are characteristics of cumulus and nimbus clouds CORRECTLY placed?
For two masses X and Y, the mass of X was twice that of Y. The diagram below shows a set-up that was used to investigate how thetwo masses balance at positions Q, R, S and T on a seesaw.
Which of the following was a correct observation about the investigation?
The diagram below represents a simple electric circuit
Which of the following energy transformations would take place when the switch is on?
Which of the following practices LEAST pollutes the soil?
In an investigation, equal amounts of soap was added to equal amounts of water samples W and Z obtained from different sources.
The following observations were made:
(i) W formed lather.
(ii) Z formed suspended particles.
Which of the following statements about W and Z is NOT CORRECT?
Which of the following consists of materials with a definite volume and definite shape?
Which of the following practices will conserve soil?
Soil becomes waterlogged due to
Which of the following is the CORRECT procedure that is used to obtain clear water from muddy water?
Which one of the following statements is TRUE about manures? They
The following are activities that pollute the environment.
(i) Burning charcoal in a closed room.
(ii) Oil spillage from tankers.
(iii) Using diesel as fuel in vehicles.
(iv) Dumping vegetable waste.
Which activities pollute air?