​KCPE PAST PAPERS 2012: SCIENCE QUESTIONS AND ANSWERS [QNS 01-25]
Question 01.
Which of the following is a tuber crop?
Question 02.
A beam balance is used for
Question 03.
In which of the following groups of activities is friction NOT required?
Question 04.
Animals provide plants with
Question 05.
Which of the following statements about blood vessels in the human body is CORRECT?
Question 06.
Which of the following CORRECTLY represents the path taken by food from the oesophagus?
Question 07.
Which of the following types of human teeth is CORRECTLY matched to its function?
Teeth Function
Question 08.
A plant which has deep and widely spread root system is LIKELY to have
Question 09.
Which of the following groups of crops consists of cereals ONLY?
Question 10.
The diagrams below represent two levers E and F with different positions of load, effort and fulcrum.
Question 11.
Which of the following pairs of plants is CORRECTLY matched with the type of root system?
Tap root Fibrous root
Question 12.
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?
Question 13.
Which of the following groups of animals consists ONLY of invertebrates?
Question 14.
Which of the following statements is TRUE?
Question 15.
Which of the following are examples of herbivores, carnivores and omnivores?
Question 16.
Which of the following pairs consists only of animals with scales?
Question 17.
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?
Question 18.
Transfer of heat by convection takes place in
Question 19.
The diagram below represents the processes I, II, III and IV that are involved in change of states of matter.
Question 20.
The pie chart below shows proportions of G, H, J and K that represent the components of air.
Question 21.
Which of the following factors makes wax to float on water?
Question 22.
In which of the following are both materials CORRECTLY grouped as magnetic and non-magnetic?
Magnetic Non-magnet
Question 23.
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?
Question 24.
The diagram below shows a set-up that can be used to investigate the effect of heat on matter.
The effect investigated is
Question 25.
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
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