BIOLOGY PAPER 3 (2003-2010)

YEAR	QUESTION 1	QUESTION 2
2003	To study the effect of camouflage on a predator-prey relationship [Chapter 8]	To study the relationship between the concentration of CO2 and the rate of photosynthesis [Chapter 6]
2004	To determine the % of vitamin C in fruit juices using DCPIP solution [Chapter 6]	To estimate the size of the bird population [Chapter 8]
2005	To determine and compare the energy content in white bread and peanuts [Chapter 6]	To determine the concentration of the solution which will maintain the mass of plant tissues. [Chapter 3]
2006	To study the effect of concentration of albumen suspension on the rate of reaction of pepsin enzyme [Chapter 4]	To determine concentration of sucrose which is isotonic to cell sap of mango [Chapter 3]
2007	To study the effect of light intensity on the rate of photosynthesis of a Hydrilla sp. [Chapter 6]	To study the effect of temperature on the rate of anaerobic respiration in yeast [Chapter 7]
2008	To investigate the effect of light intensity on the population distribution of Pleurococcus sp. [Chapter 8]	To study the size of molecules that can diffuse through a semi permeable membrane [Chapter 3]
2009	To study the effect of light intensity on the rate of photosynthesis. [Chapter 6]	To study the effect of temperature on the rate of enzyme reaction. [Chapter 4]
2010	To investigate the effect of different duration of activity on the percentage of CO2 in exhaled air [Chapter 7]	To study the effect of interspecific competition between maize and paddy plants on their growth. [Chapter 8]