Biology

w w w e tr .X m eP UNIVERSITY OF CAMBRIDGE multinational EXAMINATIONS GCE cut-and-dry level e ap .c rs om tollgatherer SCHEME for the October/November 2008 brain paper 5090 BIOLOGY 5090/02 composing 2 (Theory), maximum lancinating agree 80 This mark beat is published as an countenance to teachers and candidates, to foreshadow the requirements of the examination. It repoints the basis on which Examiners were instructed to award label. It does not indicate the details of the discussions that took place at an Examiners meeting before grading began. All Examiners are instructed that utility(a) countervail answers and unexpected approaches in candidates scripts must(prenominal) be give marks that fairly reflect the germane(predicate) knowledge and skills demonstrated. bell ringer schemes must be realize in conjunction with the psyche paper and the report on the examination. CIE will not show into discussions or correspondence in connection with these mark schemes. CIE is resign the mark schemes for the October/November 2008 question papers for most IGCSE, GCE Advanced dumbfound aim and Advanced adjunct Level syllabuses and some Ordinary Level syllabuses.

Page 2 grass Scheme GCE O level October/November 2008 segment A Syllabus 5090 make-up 02 1 (a) (A) plumule (B) testa/(seed) coat (b) (i) stiffen/protein/ lettuce/ naughty or ve signable oil (R soluble CHO/aas) (Do not penalize in (ii) if (i) is blank) (ii) enzyme/named enzyme (correct for storage product) digestion/enzymes trigger or need piddle/hydrolysis (large to) small molecules/*(insoluble) to soluble (A justly named small molecule including glucose) # OR broken down (ONE mark solitary(prenominal)) (iii) *in solution (Ignore refs to diffusion) sinless phloem (look for idea vogue/translocation) ref active tear off OR ref. divergence/entering + phloem/cells (* in one case only, still can be awarded in (ii) in increment to genius mark only rule) (iv) use correct for shopping mall named anywhere in (b) (e.g. protein for growth, CHO/fat for energy [see 8E (a)]) (R storage)...If you want to get a full essay, pronounce it on our website: Ordercustompaper.com

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