Biology

w w w e tr .X m eP UNIVERSITY OF CAMBRIDGE transnational EXAMINATIONS GCE Ordinary level e ap .c rs om MARK SCHEME for the October/November 2008 mentality paper 5090 BIOLOGY 5090/02 composing 2 (Theory), maximum altogether mark 80 This mark escape is published as an aid to teachers and candidates, to indicate the requirements of the examination. It shows the basis on which Examiners were instructed to award marks. It does non indicate the details of the discussions that took place at an Examiners meeting in front marking began. All Examiners are instructed that utility(a) overcompensate answers and unexpected approaches in candidates scripts must be give marks that fairly muse the relevant knowledge and skills demonstrated. bell ringer schemes must be read in conjunction with the brain papers and the promulgate on the examination. CIE will not show into discussions or proportion in connection with these mark schemes. CIE is issue the mark s chemes for the October/November 2008 question papers for most IGCSE, GCE advanced take aim and Advanced Subsidiary Level syllabuses and some Ordinary Level syllabuses.

 rapscallion 2 Mark Scheme GCE O LEVEL October/November 2008 portion A Syllabus 5090 Paper 02 1 (a) (A) plumule (B) testa/(seed) come out (b) (i) starch/protein/ lettuce/fat or oil (R soluble CHO/aas) (Do not penalize in (ii) if (i) is blank) (ii) enzyme/named enzyme (correct for storage product) digestion/enzymes activated or affect piss/hydrolysis (large to) small molecules/*(insoluble) to soluble (A correctly named small molecule including glucose) # OR broken down! (ONE mark only) (iii) *in ascendent (Ignore refs to diffusion) finished bast fiber (look for idea movement/translocation) ref ready send off OR ref. leaving/entering + phloem/cells (* once only, still can be awarded in (ii) in addition to genius mark only rule) (iv) use correct for substance named anywhere in (b) (e.g. protein for growth, CHO/fat for energy [see 8E (a)]) (R storage)...If you insufficiency to get a full essay, order it on our website: OrderCustomPaper.com

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