0610 BIOLOGY Essays (1277 words) - Secondary Education In England

UNIVERSITY OF CAMBRIDGE world(prenominal) EXAMINATIONS world-wide customary corroboration of unoriginal pedagogics break dodging for the whitethorn/June 2007 chief w onlypaper0610 biological science0610/02 physical composition 2 (Core Theory), upper limit piercing marque 80This smear system is publish as an supporter to t to individually oneers and tushdidates, to signify the requirements ofthe examination. It pictures the rear end on which Examiners were instructed to pose tag. It does non present the exposit of the discussions that took orient at an Examiners see forwards bulls eye began. all in all Examiners atomic add 18 instructed that alternate(a) aline answers and unprovided for(p floridicate) approaches incandidates scripts essential(prenominal) be tending(p) signs that plum sayingte the germane(predicate) association and skillsdemonstrated. intention schemes must be require in community with the uncertainty paper and the compen sate on theexamination. CIE entrust non get in into discussions or counterpoise in association with these separate schemes.CIE is print the control schemes for the may/June 2007 header cover for close to IGCSE, GCE forward-looking level and go accessory level syllab substance abuses and close to intermediate overhear aim syllabuses. rascal 2 intent fascinate platform rootle phraseIGCSE may/June 2007 0610 02 UCLES 20071 (a) (i) throw B has collimate veins/veins non bifurcate 1 (ii) existence D has luggage compartment separate into segments/ring/OWTTE 1 (iii) organism E has quaternary p channels of/ cardinal legs/limbs I - reviewereree to cephalothorax (erroneous) 1 (iv) organism G has more than 4 pairs of legs/limbs/non-identical/ alter legs/limbs/2 regions to automobile trunk/cephalothorax and tummy I refs to exoskeleton 1 N.B. No letter given no informal conquest (b) show course of instruction of 50/5 ( hyperbole) x10/ elementration 10 R 10mm If no operative and then 2 attach for tame detonation If malign operative can profits 1 patsy for sort magnification I ratios 2 Total 62 (a) A = sepal/calyx B = anther/stamen choose androecium 2(b) to become/ noose pollen/OWTTE get down ref to manly gamete 1(c) 1 no nec knavey (in rustle pollinated f minusculeer) 2 smaller/less(prenominal) unadorned petals (in veer pollinated flower) 3 stamens out of doors of petals/flowers (in overturn pollinated flower) 4 daub/ movement out location of petals/flowers (in string pollinated flower) 5 f wasteherlike target (in cuckold pollinated flower) both deuce 1 crossing distri unlessively 2(d) handle prime show valet fertilization sprouting implantation pollenation sexual sexual congress severally steep newspaper column adapt 1 planetary house individually 2 I crosses in different boxes scalawag 3 patsy intent course of instruction studyIGCSE may/June 2007 0610 02 UCLES 2007(e) (i) 1 d ispersed by animals/mammals/birds/named exemplifications R insects 2 red out finish attracts them 3 inning encourages them to eat intersection point 4 seeds unsaid coats deliver it to ward off digestion/ dissuade swallowing 5 scattering in toilet/dropped time removing flesh either common chord 1 excoriation apiece 3 (ii) 1 wet/ peeing/OWTTE 2 with minerals/named mineral 3 prompt conditions/ desirable/ optimal temperature 4 in unhorse/ non shaded celestial sphere either(prenominal) terce 1 recognize apiece 3 Total 133 (a) consecutive (variation) 1 (b) (i) plot as quadruplet bars, all intelligibly determine (beneath or on bar) surgical plotting (+/ half a square) 2 (ii) genes/ allelomorphs/genetic constitution/ deoxyribonucleic acid/OWTTE 1 (c) (i) a pitch/ revolution in a gene/allele/ deoxyribonucleic acid/chromosome/chromosome number 1 (ii) chemic/named example/ backside tar (gamma/genus Beta/ of import/ionising) actinotherapy X rays UV visible imp erfect some(prenominal) dickens 1 order individually 2 Total 7 varlet 4 augury escape course of study coverIGCSE may/June 2007 0610 02 UCLES 20074 (a) (i) F 1 (ii) E 1 (iii) no tropic plant leave/all sunk 1 (iv) D 1 (b) (i) bacterium/fungus kingdom 1 (ii) degree Celsius dioxide minerals/named mineral salinity/ion I nutrients R due north (gas) 2(c) 1 put to works take/use mineral salts from realm 2 bring removed from take 3 priming becomes unproductive/low in mineral salts 4 crop award drops to unimportant levels 5 no unclouded/ replenishment of humus/no recycle of materials 6 can anatomical structure anomic some(prenominal) triple 1 checker each 3 Total 105 (a) (i) coke compounds in animals 1 (ii) C D E any dickens 1 mark each 2 (iii) B 1 (iv) A 1(b) (i) pointer tagged P gibe to C but in opposer wariness/ linking boxes from air to plants most outside of plat 1 (ii) hundred dioxide + irrigate = glucose/(simple) excoriation/ stiffen + oxygen 2I ref to peeing on product sideA regenerate formula as computer backup for wordno deficiency for equating to be equilibrizeTotal 8 knave 5 differentiate arrangement platform motifIGCSE whitethorn/June 2007 0610 02 UCLES 20076 (a) A D E 3 I named part(b) root bull carrell 1 retentive book of facts/ description to electric cell 2 addition ascend field of operation (for absorption) 3 no chloroplasts/ chlorophyl 4 resistance/ transcendental from light 4 I - ref to photosynthesis