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GCE May 2007 : (A2 3A) Synoptic Paper (Irish Medium)

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Uimhir L rionaid 71 Uimhir Iarrth ra ADVANCED General Certificate of Education 2007 Bitheola ocht Aonad Meas naithe A2 3A ag meas n Mod l 6A: P ip ar Sionoptach [A2B31] D M IRT 29 BEALTAINE, IARN IN AM 1 uair an chloig. TREOIR D IARRTH IR Scr obh d Uimhir L rionaid agus d Uimhir Iarrth ra sna sp sanna chuige sin ag barr an leathanaigh seo. Scr obh do fhreagra sna sp sanna chuige sin sa cheistph ip ar seo. Freagair gach ceann de na ceithre cheist. EOLAS D IARRTH IR Is 50 an marc ioml n don ph ip ar seo. T 35 marc ag dul do Roinn A. T 15 mharc ag dul do Roinn B. Ba ch ir duit tuairim is 20 n im ad a chaitheamh ar Roinn B. Glactar leis go bhfreagr idh t Roinn B i bpr s lean nach. Meas n far caighde n na cumars ide scr ofa i Roinn B. L ir onn figi ir idir l ib n ar thaobh na l imhe deise de leathanaigh na marcanna at ag dul do gach ceist n do gach cuid de cheist. T bileog sonra ar f il le h s id leis an ph ip ar seo. Don Scr daitheoir amh in Uimhir Ceiste 1 2 3 4 Marc Ioml n A2B3AS7 2827 Marcanna LEATHANACH B N A2B3AS7 2827 2 [Turn over Roinn A Scr daitheoir Amh in Marcanna 1 Athmharc (a) Gl c s iompar go dt na cealla uile, is pr omhfheidhm seo maidir le himshruth na fola. I gc s an duine, is gn thleibh al an ghl c is san fhuil n tuairim is 90 mg/100 cm3 d fhuil, ach is f idir go mb onn s seo ag athr . Mar shampla, mura n-itheann duine bia ar feadh i bhfad, n m bh onn gn omha ocht throm fhisiceach ar bun ag duine, is f idir go dtitfidh leibh al an ghl c is san fhuil chomh h seal le 70 mg/100 cm3. I ndiaidh do dhuine b ile ar mh r n carbaihiodr ite a dh le , is f idir go mbeidh leibh al an ghl c is san fhuil chomh hard le 150 mg/100 cm3. (i) T s t bhachtach nach dtitfeadh an gl c s san fhuil go dt leibh al r - seal. M nigh cad chuige. ______________________________________________________ ___________________________________________________ [1] (ii) Cad iad na hiarmhairt a bheadh ann d n- ireodh an gl c s san fhuil go dt leibh al r -ard? ______________________________________________________ ___________________________________________________ [1] A2B3AS7 2827 3 [Turn over [Tiontaigh an leathanach (b) B onn dh horm n, inslin agus gl cag n, i gceist maidir le leibh il an ghl c is san fhuil a rial . Thar thr imhse 5 uaire an chloig tomhaiseadh ti chan an ghl c is san fhuil agus ti chan an d horm n seo i ngr pa daoine. Bh b ile ar mh r n carbaihiodr ite ionghafa ag na daoine le linn na tr imhse seo. Taispe ntar na tortha sna graif seo th os. Scr daitheoir Amh in Marcanna Athmharc Ti chan an horm in san fhuil/aonaid threallacha Ti chan an ghl c is san fhuil/mg 100 cm 3 itheadh b ile 150 140 130 120 110 100 90 80 70 100 gl cag n 80 60 40 20 inslin 0 0 A2B3AS7 2827 1 2 3 Am/uaireanta an chloig 4 5 [Turn over (i) Cuir s os ar na treochta at l irithe sna graif. Scr daitheoir Amh in Marcanna Athmharc ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ___________________________________________________ [3] (ii) Is an gl c s san fhuil ag athr a chinneann leibh al na hinsline agus leibh al an ghl cag in san fhuil. Cad an ifeacht a bheidh ann ar gach ceann de na horm in m mh ada onn an gl c s san fhuil? An fhaisn is sa ghraf, m nigh cad mar a l ir onn s sampla d aischoth di ltach. Scr daitheoir Amh in ______________________________________________________ Marcanna Athmharc ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ___________________________________________________ [3] (c) Faigheann daoine irithe cine l de dhiaib iteas a fh gann go dteipeann ar an chorp an gl c s san fhuil a rial cionn is nach bhfuil inslin t irgeadh. Chun seo a ch ire il faigheann an duine go rialta insteallta insline a bh onn t irgeadh ag miocrorg naigh a ndearnadh innealt ireacht gh initeach orthu (GEM). Na miocrorg naigh seo a th irgeann inslin, cuir s os ar dh ch im leithleacha at ann ina dt irgeadh. Scr daitheoir Amh in 1. _______________________________________________________ Marcanna Athmharc __________________________________________________________ 2. _______________________________________________________ _______________________________________________________ [2] (d) Is minic a dhiagn is tear diaib iteas mar b onn gl c s eisfhearadh san fhual. Luaigh an t st il shonrach at ann le haghaidh gl c is san fhual. _______________________________________________________ [1] A2B3AS7 2827 [Turn over [Tiontaigh an leathanach 2 I bplanda pise, t dh aill il ag an gh in a ch da onn do dhath s olch ta, aill il amh in acu a th irgeann s olch ta bu , agus an aill il eile a th irgeann s olch ta glas. Chros il Mendel planda pise a f sadh sh olta bu le planda pise a f sadh sh olta glasa. Na s olta uile a t irgeadh n chros il seo (an ghl in F1), bh siad bu . Lig Mendel ansin don ghl in F1 por le ch ile agus bhailigh s 8023 s ol (an ghl in F2); bh 6022 de na s olta seo bu , bh 2001 acu glas. Scr daitheoir Amh in Marcanna Athmharc Agus an fhaisn is seo in s id agat, freagair na ceisteanna a leanann. (a) (i) C acu ceann den d aill il, bu n glas, at ceannasach? ___________________________________________________ [1] (ii) Cad g init opa na s olta sa ghl in F1? ___________________________________________________ [1] (b) Rinneadh t st il c2 ar na tortha don ghl in F2 lena fh il amach an raibh an c imheas ionchais de 3 sh ol bhu le 1 s ol ghlas ann sna sonra breathnaithe thurgnamh poraithe Mendel. Ba luach c2 de 0.015 an toradh a bh ar an t st il. (i) Luaigh an hipit is nialasach don t st il seo. ______________________________________________________ ___________________________________________________ [1] (ii) Luaigh na c imeanna saoirse. ___________________________________________________ [1] (iii) Luaigh an luach d ch lachta don c2 a r omhadh. ___________________________________________________ [1] (iv) Luaigh do chinneadh faoin hipit is nialasach. ___________________________________________________ [1] (v) Cad an choncl id is f idir a dh anamh faoin ghl in F2? ______________________________________________________ ___________________________________________________ [1] A2B3AS7 2827 [Turn over (c) Agus piseanna a bh d reach comhionann le gl in F1 Mendel in s id, rinne mac l inn turgnamh poraithe Mendel. Lig s do na piseanna seo por le ch ile agus thaifead s dath na s olta a t irgeadh sa ghl in F2. Rinne an mac l inn t st il c2 ar na tortha lena fh il amach an raibh an c imheas ionchais de 3 sh ol bhu le 1 s ol ghlas ann. Taispe ntar tortha breathnaithe an mhic l inn sa t bla seo th os. Dath s l An l on a breathna odh Bu 37 Glas An l on ionchais 23 (i) Comhl naigh an t bla thuas tr d an l on ionchais a chur isteach do na s olta bu agus na s olta glasa sa ghl in F2. (Taispe in do chuid oibre sa sp s th os.) [1] Scr daitheoir Amh in Marcanna Athmharc (ii) Ba 5.69 an luach c2 a fuair an mac l inn. Cad a chuireann s seo in i l faoi c acu a bh na tortha F2 sa ch imheas ionchais de 3:1 n nach raibh? M nigh do chinneadh ag tagairt don luach d ch lachta don c2 a r omhadh. ______________________________________________________ ______________________________________________________ ______________________________________________________ ___________________________________________________ [2] (d) Cad chuige, dar leat, a bhfuil na tortha do th st il c2 Mendel agus na tortha do th st il an mhic l inn difri il lena ch ile? __________________________________________________________ __________________________________________________________ _______________________________________________________ [1] A2B3AS7 2827 7 [Turn over [Tiontaigh an leathanach 3 Scr daitheoir L igh an sliocht seo th os agus s id an fhaisn is sa sliocht agus do chuid tuisceana f in Amh in Marcanna Athmharc ansin leis na ceisteanna a leanann a fhreagairt. Dinea-lascnaidigh, is alga micreasc pacha aoncheallacha lascnaide iad a bhaineann leis an r ocht Protoctista (roinn Dinea-lascnaideach). Tuigtear go bhfuil beagnach 2000 speiceas de dhinea-lascnaidigh ann, agus iad rangaithe i dtuairim is 125 genera. Is planct n muir iad n cha faoin ch ad de na dinea-lascnaidigh uile, c go bhfuil go leor speiceas fionnuisce ann chomh maith. Is f idir gur heitreatr faigh fh taisint iseacha n heitreatr faigh neamh- fh taisint iseacha iad; t tuairim is leath den speiceas i ngach ceann den d chatag ir seo. B onn dh lascnaid in s id ag dinea-lascnaidigh agus iad ag sn mh. Thart timpeall orthu t cumhdach coimpl ascach a bhfuil scann in lean nacha sheachtracha agus scann in lean nacha inmhe nacha ann. Idir na scann in t sraith de shaic n leacaithe. Agus na saic n san fhoirm arm rtha b onn pl ta ceallal is iontu. Is f idir go mbeidh an t-arm r seo in easnamh i speicis airithe. T l ont n ionphlasmach garbh agus l ont n ionphlasmach m n, fearas Golgi, miteacoindr , braoin n lipide, gr inn st irse agus fol is n sa ch teaplasma. Sa n icl as t cr mas im nach bhfuil hiost in iontu agus a fhanann comhdhl ite go buan, c go nd chornann siad le haghaidh macasamhl DNA le linn an idirphas. Sna foirmeacha f taisint iseacha, t scann n triarach thart ar na cl raplaist, nuair is iad cl raifill c agus cl raifill a at sna lann ga. Speicis irithe de dhinea-lascnaidigh, t irgeann siad ceimice in a bh onn ag feidhmi mar n aratocsain in org naigh a bh onn gcoth f in orthu, org naigh amhail sliog isc, n org naigh eile n os faide chun tosaigh ar an bhiashlabhra, ar a n- ir tear daoine. An n aratocsain saxitoxin, a th irgtear ag Protogonyaulax catanella agus Gessnerium monilatum, cuireann s cosc le poit ins l gn mh a bh onn seoladh feadh scann n sochorraithe tr chain il iain s idiam a bhloc il agus b onn ifeacht aige ar ghn omha ocht mhat n d bharr. Sliogiasc fabhtach a ithe, t s ina ch is le nimhi pairiliseach sliog isc (PSP). An c s is measa de nimhi pairiliseach sliog isc, f gann s go gcliseann ar an riospr id agus go bhfaigheann duine b s taobh istigh de 12 uair an chloig. Is f idir le speicis irithe solas a th irgeadh tr bhithlonracht. I ndinea-lascnaidigh cuirtear t s le bithlonracht nuair a bh onn dromchla cille dh fhoirmi ag mionfh rsa (fi nuair a bh onn an t-uisce thart timpeall shuaitheadh, mar a tharla onn i sruth loinge n i dtonn bhriste). An t-imoibri at ina ch is le hast solais, tarla onn s nuair a bh onn an chomhdh il l icifeirin (ar substr it at cos il go ceimiceach le r amhtheachta cl raifille) ocsa di ag an eins m luciferase, ar pr iseas ina bhfuil tr fhosf it adanais n (ATP) agus ocsaigin araon de dh th. A2B3AS7 2827 5 10 15 20 25 30 35 [Turn over (a) Ranga tear dinea-lascnaidigh taobh istigh den r ocht Protoctista [l ne 2]. Sainaithin gn amh in lena mh ni cad chuige nach ranga tear na dinea-lascnaidigh taobh istigh de na r ochta seo a leanas. Scr daitheoir Amh in Marcanna Athmharc (i) Animalia ______________________________________________ ______________________________________________________ (ii) Plantae _______________________________________________ ______________________________________________________ (iii) Prokaryotae ____________________________________________ ___________________________________________________ [3] (b) C gur l ir go bhfuil strucht r ceallach na ndinea-lascnaideach eocar tach t gn ithe irithe aige at uath il. Sainaithin dh cheann de na tr ithe uath la seo. 1. _______________________________________________________ __________________________________________________________ 2. _______________________________________________________ _______________________________________________________ [2] (c) Bloc lann an n aratocsain saxitoxin cain il iain s idiam, b onn ifeacht aige ar ghn omha ocht mhat n agus is f idir go gclisfidh ar an riospr id. (i) Luaigh an cine l de mh il n a bheadh sa chain al iain s idiam [l ne 24]. ___________________________________________________ [1] (ii) Maidir le saxitoxin, cad chuige, dar leat, a mbeadh ifeacht aige ar ghn omha ocht mhat n [l ne 25]? ______________________________________________________ ___________________________________________________ [1] A2B3AS7 2827 9 [Turn over [Tiontaigh an leathanach (iii) M nigh an f th a bhfaigheadh duine b s nuair a chliseann ar an riospr id [l ne 28]? Scr daitheoir Amh in Marcanna Athmharc ______________________________________________________ ___________________________________________________ [1] (d) In amanna cuirtear s os ar bhithlonracht mar fh taisint is aisiompaithe. Sainaithin 3 dh igh a bhfuil codarsnacht idir bithlonracht agus f taisint is. 1. _______________________________________________________ __________________________________________________________ 2. _______________________________________________________ __________________________________________________________ 3. _______________________________________________________ _______________________________________________________ [3] (e) C n fheidhm, dar leat, a bheadh ag bithlonracht i ndinea-lascnaidigh? __________________________________________________________ __________________________________________________________ __________________________________________________________ _______________________________________________________ [2] A2B3AS7 2827 10 [Turn over Roinn B Scr daitheoir Amh in Marcanna Athmharc T thar ag s il leis go bhfreagr idh t an cheist seo a leanas i bpr s lean nach. Is f idir l ar id a s id, ach caithfidh baint a bheith acu leis an bhar agus caithfidh siad faisn is bhreise a chur le do chuntas. Marc lfar ar an bhar bitheola och ann, ar phl na topaice agus ar chaighde n na cumars ide scr ofa. Sa cheist seo t suas le dh mharc ag dul do chaighde n na cumars ide scr ofa. [2] Scr obh cuntas ar a th bhachta at c imheas achar dromchla le toirt i gcealla, in org in agus in org naigh . Sa chuntas agat ba ch ir go l ireofa tuiscint ar phrionsabail ghinear lta agus ar 2 thopaic ar a laghad ar a bhfuil staid ar d anta agat. [13] ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ A2B3AS7 2827 11 [Turn over [Tiontaigh an leathanach Scr daitheoir Amh in ____________________________________________________________ Marcanna Athmharc ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ A2B3AS7 A2B3AS7 2827 12 [Turn over [Turn over Scr daitheoir Amh in ____________________________________________________________ Marcanna Athmharc ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ 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____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ A2B3AS7 2827 13 [Turn over [Tiontaigh an leathanach Scr daitheoir Amh in ____________________________________________________________ Marcanna Athmharc ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ 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Additional Info : Gce Biology May 2007 Assessment Unit A2 3A Module 6A: Synoptic Paper (Irish Medium)
Tags : General Certificate of Education, A Level and AS Level, uk, council for the curriculum examinations and assessment, gce exam papers, gce a level and as level exam papers , gce past questions and answer, gce past question papers, ccea gce past papers, gce ccea past papers

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