Biology

w w w e tr .X m eP UNIVERSITY OF CAMBRIDGE international EXAMINATIONS GCE Ordinary level e ap .c rs om MARK SCHEME for the October/November 2008 ace paper 5090 BIOLOGY 5090/02 composing 2 (Theory), maximum stark naked 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 before marking began. All Examiners are instructed that utility(a) even answers and unexpected approaches in candidates scripts must be give marks that fairly strike the relevant knowledge and skills demonstrated. bell ringer schemes must be read in conjunction with the distrust papers and the traverse on the examination. CIE will not show into discussions or isotropy in connection with these mark schemes. CIE is issue the mark schemes for the October/November 2008 question papers for most IGCSE, GCE progress take aim and Advanced Subsidiary Level syllabuses and some Ordinary Level syllabuses.

 rascal 2 Mark Scheme GCE O LEVEL October/November 2008 separate A Syllabus 5090 Paper 02 1 (a) (A) plumule (B) testa/(seed) come up (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 neediness piss/hydrolysis (large to) small molecules/*(insoluble) to soluble (A correctly named small molecule includi ng glucose) # OR broken down (ONE mark only)! (iii) *in reply (Ignore refs to diffusion) finished phloem (look for idea movement/translocation) ref alive(p) 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 wishing to get a full essay, order it on our website: OrderCustomPaper.com

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