AQA-BIOLOGY-ESSAY-TITLES.

This document contains the essay titles and mark schemes used in AQA A-level Biology examinations since 2007. The specifications these exam questions came from are no longer in use, but the marking method has largely remained unchanged. Further guidance on the marking method used with the essay can be found in Paper 3 Essay marking guidance. Year Question Title 7402/3 2017 7.1 The importance of nitrogen-containing substances in biological systems 2017 7.2 The importance of diffusion in organisms BIOL5 2017 10a The importance of the specific shapes of molecules in organisms. 2017 10b The importance of transfers of substances within organisms and between organisms and their environment. 2016 10a The control of processes in cells and the importance of these controls. 2016 10b The importance of ions in biology. 2015R 10a The importance of responses to changes in the internal and external environment of an organism. 2015R 10b The importance to humans of the control of growth, reproduction and development of organisms, including themselves. 2015 10a The importance of proteins in the control of processes and responses in organisms. 2015 10b The causes and importance of variation and diversity in organisms. 2014 10 a Cells and organisms carry out exchanges with their external environment to maintain their internal environment. 2014 10 b How energy is transferred within and between organisms. 2013 10 a The membranes of different types of cells are involved in many different functions. 2013 10 b There are many different types of relationships and interactions between organisms. 2012 10 a The importance of shapes fitting together in cells and organisms 2012 10 b How bacteria can affect the lives of humans and other organisms 2011 10 a Using DNA in science and technology AQA Education (AQA) is a registered charity (number ) and a company limited by guarantee registered in England and Wales (number ). Our registered address is AQA, Devas Street, Manchester M15 6EX. 2 of 33 2011 10 b A cycle is a biological pathway or process in which the end product of one cycle becomes the starting point for the next. Write an essay about cycles in biology 2010 10 a Carbon dioxide may affect organisms directly or indirectly. Describe and explain these effects. 2010 10 b The causes of disease in humans SPEC B 2010 A The movement of substances within living organisms 2010 B Cycles in Biology 2009 A Ions and organisms 2009 B DNA and the transfer of information. 2008 A The part played by the movement of substances across cell membranes in the functioning of different organs and organ systems 2008 B The part played by enzymes in the functioning of different cells, tissues and organs. 2007 A Movements inside cells 2007 B Transfers through ecosystems SPEC A 2010 A Carbon dioxide in organisms and ecosystems. 2010 B Why the offspring produced by the same parents are different in appearance 2009 A The uses of water in living organisms. 2009 B The transfer of energy within and between organisms 2008 A Hydrogen bonds and their importance in living organisms. 2008 B How nitrogen-containing substances are made available to and are used 2007 A Carbon dioxide in organisms and ecosystems. 2007 B Why the offspring produced by the same parents are different in appearance