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GCE JAN 2011 : (AS 2) Organisms and Biodiversity - Revised (Irish Medium)

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Uimhir L rionaid 71 Uimhir Iarrth ra ADVANCED SUBSIDIARY (AS) General Certificate of Education January 2011 Bitheola ocht ag meas n Org naigh agus Bith ags lacht AB121 Aonad Meas naithe AS 2 [AB121] D M IRT 18 EAN IR, IARN IN AM 1 uair 30 n im ad. 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 scr dph ip ar seo. Freagair gach ceann de na naoi gceist. T Grianghraf 2.4 ar f il duit le h s id le Ceist 4 sa ph ip ar seo. N scr obh do fhreagra ar an ghrianghraf seo. EOLAS D IARRTH IR Is 75 an marc ioml n don ph ip ar seo. T 60 marc ag dul do Roinn A. T 15 mharc ag dul do 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. Cuirtear i gcuimhne duit go bhfuil g le Gaeilge mhaith agus l iri soil ir sna freagra agat. s id t arma ocht chruinn eola och sna freagra uile. 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 agus beidh 2 mharc ar a mh ad ag dul d . Don Scr daitheoir amh in Uimhir Marcanna Ceiste 1 2 3 4 5 6 7 8 9 Marc Ioml n 6887.03 Roinn A Scr daitheoir Amh in Marcanna Athmharc 1 Cuirtear s os ar fhungais mar l seatr ip agus is tr dh le eachtarcheallach a bh onn siad gcoth f in. (a) M nigh cad chuige a gcuirtear s os ar fhungais mar l seatr ip. _______________________________________________________ _____________________________________________________ [1] (b) Cuir s os ar an phr iseas de dh le eachtarcheallach. _______________________________________________________ _______________________________________________________ _______________________________________________________ _____________________________________________________ [2] 6887.03 2 [Turn over 2 Cuireadh turgnamh i dtreoir lena fh il amach c n ifeacht a bh onn ag d ine solais ar mhalart g s tr dhuileasc abhann (fiaile t m). Taispe ntar c iri ch n an turgnaimh sa l ar id seo th os. Scr daitheoir Amh in Marcanna Athmharc In A, cuireadh an lampa i ngar do phromhad n ina raibh duileasc abhann tumtha i dtuaslag n t scaire. In B, cuireadh an lampa n os faide ar shi l n phromhad n. Sa d ch s, bh dath flannbhu -dearg ar an t scaire ar dt s. I ndiaidh uair an chloig, breathna odh an dath agus rinneadh a thaifeadadh. Anseo th os t c iri ch n agus tortha an turgnaimh. tagann dath corcra ar an tuaslag n t scaire A eascra uisce fanann dath flannbhu -dearg ar an tuaslag n t scaire foinse solais B foinse solais (a) Ainmnigh an tuaslag n t scaire a bh in s id agus an g s a bh ina ch is leis an athr in A. Tuaslag n t scaire _______________________________________ G s ______________________________________ [1] (b) Cad chuige, dar leat, ar cuireadh an promhad n a raibh an duileasc abhann ann in eascra uisce? _______________________________________________________ _____________________________________________________ [1] (c) M nigh cad chuige ar fhan dath flannbhu -dearg ar an tuaslag n t scaire in B. _______________________________________________________ _______________________________________________________ _____________________________________________________ [2] 6887.03 3 [Tiontaigh an leathanach 3 Nuair a chrapann mat n cro m ada tear ar an bhr taobh istigh de sheoimr n an chro . Scr daitheoir Amh in Marcanna Athmharc (a) Luaigh an t arma don phas den timthriall cairdiach a mb onn mat n cro craptha lena linn. [1] (b) T ti is dhifri la sa mhat n at thart timpeall ar sheoimr n an chro . Taispe nann an graf an t-uasbhr a shroichtear i ngach ceann de sheoimr n an chro agus crapadh ar bun. m adail n cl m adail n deas aitriam cl aitriam deas 0 5 10 15 20 Br /kPa Do thuiscint ar strucht r sheoimr n an chro in s id, m nigh cad chuige ar mar an gc anna an t-uasbhr sa d aitriam, nuair at an br sa mh adail n chl i bhfad n os m n an br sa mh adail n dheas. _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _____________________________________________________ [3] 6887.03 4 [Turn over 4 Is at in Grianghraf 2.4 f taimicreagraf de thrasghearradh tr dhuilleog fhraoigh (g ineas Erica). Is x irif t fraoch. Scr daitheoir Amh in Marcanna Athmharc (a) Sa sp s th os, tarraing blocl ar id leis na cisil fh och in sa duilleog a thaispe int mar a thaispe ntar sa ghrianghraf iad. Lip adaigh na cisil fh och in. [5] (b) I gc s gach ceann de na gn ithe x irif te seo a leanas sa dhuilleog fhraoigh, m nigh an d igh a gcuireann siad teorainn eile le caillteanas uisce. An c itineach tiubh _______________________________________ _______________________________________________________ Rib ar an dromchla _______________________________________ _____________________________________________________ [2] 6887.03 5 [Tiontaigh an leathanach 5 I bhfiosr ch n ar bhith ags lacht f l sceach, rinneadh sampl il ch rasach (.i. sampl ladh ag eatraimh rialta iad) ar dh fh l feadh a bhfaid. Bh an d fh l difri il maidir leis an d igh a raibh siad mbainisti agus bh bearna i gceann amh in acu mar gheall ar easpa bainist ochta. Tugadh A agus B ar an d fh l go toili il. Scr daitheoir Amh in Marcanna Athmharc (a) Cuir s os ar l thair eile mar a mbeadh s f irsteanach sampl il ch rasach a s id feadh traschreasa. M nigh cad chuige gurb seo an teicn c is f irsteana sa ch s seo. _______________________________________________________ _______________________________________________________ _____________________________________________________ [2] Taispe nann an t bla th os na tortha a fuarthas ar na speicis phlanda taobh istigh d fh l A. An l on de gach speiceas (ni ) ni (ni 1) Dris, Rubus spp. 26 650 Eidhne n, Hedera helix 13 156 Neant g ghreadfach, Urtica dioica 8 X _____________ Garbhlusanna, Galium aparine 6 30 Peirsil bh , Anthriscus sylvestris 5 20 Aiteann, Ulex europaeus 4 12 Ruith al, Geranium robertianum 3 6 Sceach gheal, Crataegus monogyna 4 12 Coll, Corylus avellana 2 2 Seiceam ir, Acer pseudoplatanus 2 2 Crann sil n fi in, Prunus avium 2 2 Speiceas a fuarthas Ioml n N = 75 ni (ni 1) ______ (b) (i) Comhl naigh an t bla tr na luachanna X agus ni (ni 1) at ar iarraidh a r omh. [2] 6887.03 6 [Turn over (ii) Luachanna sa t bla agus an fhoirmle th os in s id, r omh luach inn acs Simpson d fh l A. (Taispe in na h irimh.) Is an fhoirmle d inn acs Simpson D = Scr daitheoir Amh in Marcanna Athmharc n i (n i 1 ) N (N 1) [2] (iii) Bh inn acs Simpson 0.4 ag f l B. Luaigh c acu f l a bh bhainisti le bith ags lacht a spreagadh. M nigh do fhreagra. F l ________________________________________________ ___________________________________________________ _________________________________________________ [2] (c) Cuir s os ar dh strait is a mholtar le f l maith a chothabh il. 1. _____________________________________________________ _______________________________________________________ 2. _____________________________________________________ _____________________________________________________ [2] 6887.03 7 [Tiontaigh an leathanach 6 Rinneadh turgnamh lena fh il amach c n gaol at ann idir dl s st m il agus an r ta faoina mb onn uisce chailleadh dhuilleoga lus an chromchinn mar gheall ar thrasghal . Scr daitheoir Amh in Marcanna Athmharc Is ar dh dromchla den duilleog a bh onn na st mata ar dhuilleoga lus an chromchinn. (a) Ghlac mac l inn c ig chuntas de st mata in achair 2 mm 2 mm (4 mm2) ar an d dhromchla. Ansin r omh s me nl on na st mata in aghaidh 4 mm2 agus, i gc s an eipideirm uachtarach, thiontaigh s seo ina chuntas in aghaidh cm2. T na tortha sa t bla seo th os. An l on st mata Eipideirm uachtarach 136 Me nchuntas/4 mm 2 Me nchuntas/cm 2 67 146 81 132 90 154 Cuntais mhacasamhlaithe/ 4 mm 2 Eipideirm ochtarach 58 142 74 3550 (i) Comhl naigh an t bla tr mhe nluach do l on na st mata in aghaidh cm2 a chur isteach sa chill sc thaithe. [1] (ii) D an an comhathr at ann taobh istigh de na macasamhluithe a mheas agus cuir s os ar iontaofacht na dtomhas. ___________________________________________________ ___________________________________________________ ___________________________________________________ _________________________________________________ [2] 6887.03 8 [Turn over (b) Le meastach n a dh anamh ar mh id an trasghalaithe n d dhromchla de dhuilleog lus an chromchinn, ghreamaigh an mac l inn p osa beaga de ph ip ar cl ir d ch bailt tirim ar an eipideirm uachtarach agus an eipideirm ochtarach. Agus ag ions uisce, athra onn an dath ar an ph ip ar cl ir d ch bailt ghorm go b ndearg. Taispe nann an graf seo th os na hathruithe datha thar thr imhse 60 n im ad. Scr daitheoir Amh in Marcanna Athmharc eipideirm uachtarach eipideirm ochtarach Dath an ph ip ir cl ir d ch bailt b ndearg b ndearg adrom b ndearg iontach adrom b n gorm iontach adrom gorm adrom gorm 0 10 20 30 40 50 60 Am/n im (i) An fhaisn is sa ghraf agus sa t bla ar an leathanach roimhe in s id, m nigh na hathruithe datha a thaispe ntar. ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ _________________________________________________ [3] (ii) M chl da tear cuid den duilleog leis an ph ip ar cl ir d ch bailt, is f idir go laghd far ar thrasghal sa chuid sin. Luaigh f th amh in at leis seo. ___________________________________________________ _________________________________________________ [1] 6887.03 9 [Tiontaigh an leathanach (c) Caillteanas uisce n duilleog, m nigh an d igh a gcuireann s modh iompar uisce ar f il sa phlanda ioml n. Scr daitheoir Amh in Marcanna Athmharc _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _____________________________________________________ [2] 6887.03 10 [Turn over 7 Seasann an l ar id th os do thrasghearradh tr fhuilead n. Scr daitheoir Amh in Marcanna Athmharc (a) Roghnaigh dh mh r fianaise at infheicthe sa l ar id agus a thugann le fios gur artaire seo. 1. _____________________________________________________ 2. ___________________________________________________ [2] (b) F och n m n mat in at i mballa artaire. M nigh an r l at le f och n m n mat in maidir le feidhmi artaire. _______________________________________________________ _______________________________________________________ _______________________________________________________ _____________________________________________________ [2] (c) D an idirdhe l idir na t arma ait ir ma agus ait iriscl ar is agus m nigh an d igh a bhf adfadh siad a bheith ina gc is le tromb is chor nach (taom cro ). _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _____________________________________________________ [5] 6887.03 11 [Tiontaigh an leathanach 8 B onn tionchar m r ag na hathruithe i gcleachtas feirmeoireachta ar dh ileadh pobail an. Ar na mallaibh tosa odh ar speicis chrann amhail poibleog n saileach a chur. F sann na crainn seo go gasta agus baintear iad i ndiaidh tamall de bhlianta le mill n adhmaid a th irgeadh lena n- s id mar bhreosla. Barrscoitheadh Rothlaithe Ghearr (Short Rotation Coppicing) (SRC) a thugtar ar an chleachtas seo. Scr daitheoir Amh in Marcanna Athmharc I ndiaidh roinnt blianta, f sann na crainn ina bhf schoill dhl th ar thalamh a bh odh in s id roimhe sin le haghaidh barr (talamh cura ochta) n mar thalamh f araigh. Rinneadh an t-athr seo ar s id talaimh go SRC a fhiosr maidir leis na h ifeachta a bh ann ar 3 speiceas an: an pilib n (Vanellus vanellus), an naoscach (Gallinago gallinago) agus an creabhar (Scolopax rusticola). (a) Luaigh an t-ainm g inis don chreabhar. _____________________________________________________ [1] (b) San fhiosr ch n ar na h ifeachta a bh ag athr s id talaimh ar na speicis an, thug bitheolaithe cuairt ar fheirmeacha le cuntais a ghlacadh ar gach ceann de na speicis i gceithre limist ar: barrscoitheadh rothlaithe ghearr (SRC) ar thalamh a bh odh in s id roimhe mar thalamh cura ochta limist ar in aice l imhe a bh ina thalamh cura ochta go f ill barrscoitheadh rothlaithe ghearr (SRC) ar thalamh a bh odh in s id roimhe mar thalamh f araigh limist ar in aice l imhe a bh ina thalamh f araigh go f ill Pilib n Naoscach Creabhar Me nl on na n- an a taifeadadh in aghaidh gach cuairte SRC ar thalamh cura ochta Talamh cura ochta SRC ar fh ar F ar (i) M nigh cad chuige ar glacadh na cuntais ar ghoirt chura ochta in aice l imhe agus ar thalamh f araigh in aice l imhe. ___________________________________________________ _________________________________________________ [1] 6887.03 12 [Turn over (ii) An fhaisn is sa ghraf in s id, luaigh Scr daitheoir Amh in Marcanna Athmharc c n ceann de na 3 speiseas an ar fearr leis an ghn th g ar an talamh f araigh agus ar an talamh cura ochta de rogha ar an ghn th g f schoille at ann mar gheall ar SRC. ________________________________________________ c n ceann den d limist ar SRC (a bh odh ina thalamh f araigh n cura ochta roimhe) at ina bhunt iste i dtaca le t arma bith ags lachta de. ______________________________________________ [2] (iii) Luaigh f th amh in a mbeadh athr ar l on na speiceas an seo mar gheall ar SRC. ___________________________________________________ _________________________________________________ [1] (c) Rinne bitheolaithe fiosr ch n chomh maith ar speicis phlanda a raibh baint acu le hurl r an SRC agus ar na hathruithe a tharla thar thr imhse ceithre bliana. Rinne siad sampl il ar phlanda agus thaifead siad an l on acu ag imeall an SRC agus i l r an SRC. (i) D an cur s os ar an ghn thamh sampl la a bheadh f irsteanach lena chinnti go mbeadh na tortha ionada och do na speicis phlanda sa d r igi n. ___________________________________________________ ___________________________________________________ ___________________________________________________ _________________________________________________ [2] 6887.03 13 [Tiontaigh an leathanach Sa ghraf seo th os taispe ntar na tortha do l on na speiceas difri il planda a fuarthas sna blianta i ndiaidh d ibh na crainn a chur Scr daitheoir Amh in Marcanna Athmharc L on na speiceas planda Imeall an SRC L r an SRC 1 2 3 4 Aois fh s an SRC (blianta) (ii) Treocht amh in at follasach sa ghraf, tugann s le fios go bhfuil n os m planda ag f s ar imeall an SRC. Luaigh an d igh a bhf adfadh dh thoisc iceola ocha a bheith ina gc is leis an difr ocht seo. 1. _________________________________________________ ___________________________________________________ 2. _________________________________________________ _________________________________________________ [2] (iii) Cuir s os ar threocht amh in eile at follasach sa ghraf agus luaigh m ni amh in a d fh adfadh a bheith air. ___________________________________________________ ___________________________________________________ ___________________________________________________ _________________________________________________ [2] 6887.03 14 [Turn over (d) I staid ar eile, rinne bitheolaithe fiosr ch n ar l on na speiceas feithid a bh ina gc na i gceannbhrat na gcrann a cuireadh sa SRC. Rinne siad sampl il i roinnt SRCanna sa ch ad bhliain i ndiaidh iad a chur (SRC Deireanach) agus ceann eile ceithre bliana ina dhiaidh sin (SRC Bunaithe). D reach mar a rinneadh san fhiosr ch n ar na planda , rinne na bitheolaithe sampl il ag imeall an SRC agus i l r an SRC. Taispe nann an graf seo th os l onta ioml na na bhfeithid a fuarthas Scr daitheoir Amh in Marcanna Athmharc Imeall an SRC L on ioml n na bhfeithid L r an SRC SRC Deireanach SRC Bunaithe (i) Cuir s os ar dh th tal is f idir a bhaint na tortha seo. 1. _________________________________________________ ___________________________________________________ 2. _________________________________________________ _________________________________________________ [2] (ii) Luaigh d igh amh in a rachadh feithid chun tairbhe do bhith ags lacht SRC. ___________________________________________________ _________________________________________________ [1] 6887.03 15 [Tiontaigh an leathanach Roinn B Scr daitheoir Amh in Marcanna Athmharc 9 T 2 mharc ar a mh ad ag dul do chaighde n na cumars ide scr ofa sa roinn seo. [2] (a) Scr obh cuntas ar strucht r haemagl ibine agus ar an fheidhm at l i maidir le hocsaigin hions isteach sna scamh ga. [5] (b) M nigh an d igh a mb onn ocsaigin sol thar do mhat n at i mbun acla ocht dhian. [8] (a) Scr obh cuntas ar strucht r haemagl ibine agus ar an fheidhm at l i maidir le hocsaigin hions isteach sna scamh ga. _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ 6887.03 16 [Turn over _______________________________________________________ Scr daitheoir Amh in Marcanna Athmharc _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ (b) M nigh an d igh a mb onn ocsaigin sol thar do mhat n at i mbun acla ocht dhian. _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ 6887.03 17 [Tiontaigh an leathanach Scr daitheoir Amh in _______________________________________________________ Marcanna Athmharc _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ 6887.03 18 [Turn over SEO DEIREADH AN SCR DPH IP IR 6887.03 19 [Tiontaigh an leathanach Cuireadh isteach ar chead chun an t- bhar c ipchirt uile a at irgeadh. I gc sanna irithe is f idir n r irigh le CCEA teagmh il a dh anamh le h in ir c ipchirt agus beidh s s sta na hadmh lacha sin a f gadh ar l r a chur ina gceart amach anseo ach a chur ar an eolas. 6887.03 20 [Turn over Bitheola ocht TGO Ard-Fhotheastas (AS) Aonad Meas naithe AS2 ag meas n Org naigh agus Bith ags lacht Ean ir 2011 Grianghraf 2.4 Dr Keith Wheeler/Science Photo Library 6887.04

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Additional Info : Gce Biology January 2011 Assessment Unit AS 2 Module 2:Organisms and Biodiversity - Revised (Irish Medium)
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