Important address

http://www.geekmcq.com/chemistry/organic-chemistry/

http://www.chembio.uoguelph.ca/educmat/chm19104/nomenclature/quizes.html

http://www.testprepreview.com/modules/organicchem1.htm

http://www.bbc.co.uk/bitesize/quiz/q53403449

http://www.chem.uiuc.edu/GenChemReferences/nomenclature_rules.html

http://www2.chemistry.msu.edu/faculty/reusch/VirtTxtJml/Questions/Nomencl/nomencl.htm