This subject report is listed under Biology in the 2012 examination archive. The catalogue session is May 2012. The information below helps you identify the document before opening the complete PDF. Subject, year and session labels come from the archive catalogue; the original cover remains the reference if a label differs. A file is not automatically suitable for your current syllabus simply because its subject name matches.
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May 2012 extended essay reports
Page 1
BIOLOGY
Overall grade boundaries
Grade: E D C B A
Mark range: 0 - 7 8 - 15 16 - 22 23 - 28 29 - 36
The range and suitability of the work submitted
In this session essays were submitted in a wide range of appropriate topics including
microbiology ( effects of a wide range of commercial and natural antibacterial agents) , plant
growth (effects of a range of chemicals and physical conditions on growth)), factors affecting
germination and growth of seedlings (although often accompanied by some confusion about
what constitutes germination versus what constitutes growth), biochemical investigations
(especially activity of enzymes) , behavioural studies in invertebrates, fish and mammal s, a
variety of human biology topics (including behaviour, memory, exercise physiology,
perception of stimuli, and nutrition), studies based on a particular disease and ecological
studies based on particular local phenomena or environmental issues.
The cur rent guide contains clear advice about the unsuitability of topics dealing with
symptoms and treatment of particular human diseases. Nevertheless this type of essay
continues to be reasonably common. In some cases students set out to deal with the
biological basis of the disease but end up providing a detailed account of symptoms and
treatments. This rarely, if ever, leads to a successful essay. Similarly, topics that do not have
a strong biological basis such as ethical issues related to particular kind s of research,
different approaches to medicine, surveys of attitudes to biological issues or the treatment of
biological issues in the media , rarely lead to successful essays. Some very weak essays
continue to be submitted in areas such as ethical issues, often only vaguely related to biology,
the effects of music on living organisms as well as issues relating to health and fitness where
both the time frame for the investigation and the sample size are inadequate.
Coordinators and supervisors should be aw are of the particular problems related to essay s
dealing with the impact of a particular diet or of consumer products such as caffeine, coffee
and energy
File information
Subject
Biology
Document type
Subject report
Year
2012
Session
May 2012
Level
Not labelled in the archive
Paper
Not labelled
Examination zone
Not labelled in the archive
Language
English
File size
103 KB
Pages
7
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