KCPE PAST PAPERS 2012: SCIENCE QUESTIONS AND ANSWERS [QNS 01-25]
Which of the following is a tuber crop?
A beam balance is used for
In which of the following groups of activities is friction NOT required?
Animals provide plants with
Which of the following statements about blood vessels in the human body is CORRECT?
Which of the following CORRECTLY represents the path taken by food from the oesophagus?
Which of the following types of human teeth is CORRECTLY matched to its function?
A plant which has deep and widely spread root system is LIKELY to have
Which of the following groups of crops consists of cereals ONLY?
The diagrams below represent two levers E and F with different positions of load, effort and fulcrum.
Which of the following pairs of plants is CORRECTLY matched with the type of root system?
Tap root Fibrous root
The following are statements about how different simple machines make work easier.
(i) Making the slope gentle.
(ii) Reducing the effort applied.
(iii) Changing direction of the force applied.
(iv) Reducing friction.
Which of the statements apply to a single fixed pulley?
Which of the following groups of animals consists ONLY of invertebrates?
Which of the following statements is TRUE?
Which of the following are examples of herbivores, carnivores and omnivores?
Which of the following pairs consists only of animals with scales?
The following are some practices that help prevent the spread of water borne diseases.
(i) Using toilets for urination.
(ii) Washing fruits before eating them.
(iii) Washing hands before eating.
(iv) Wearing gumboots when walking in stagnant water.
Which practices will help control the spread of bilharzia?
Transfer of heat by convection takes place in
The diagram below represents the processes I, II, III and IV that are involved in change of states of matter.
The pie chart below shows proportions of G, H, J and K that represent the components of air.
Which of the following factors makes wax to float on water?
In which of the following are both materials CORRECTLY grouped as magnetic and non-magnetic?
The following are activities carried out to investigate the effect of heat on a liquid.
(i) Placing the bottle on a source of heat.
(ii) Filling the bottle with coloured water.
(iii) Fixing a straw on the cork.
(iv) Closing the bottle tightly with the cork.
Which one of the following is the CORRECT ORDER of the activities?
The diagram below shows a set-up that can be used to investigate the effect of heat on matter.
The effect investigated is
The diagram below represents a set-up in which a ruler is fixed to a desk and its free end pulled to positions L, M, and N. At each position the free end is released to produce sound.
The set-up can be used to investigate