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GCE MAY 2008 : (A2 1) Co-ordination, Biochemistry and Environment (Irish Medium)

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Uimhir L rionaid 71 Uimhir Iarrth ra ADVANCED General Certificate of Education 2008 Bitheola ocht Aonad Meas naithe A2 1 assessing Mod l 4: Comhordan idi , Bithcheimic agus Timpeallacht [A2B11] D M IRT 13 BEALTAINE, 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 cheistph ip ar seo. Freagair gach ceann de na hocht gceist. T Grianghraf 4.7 ar f il le h s id le Ceist 7 sa ph ip ar seo. N scr obh do fhreagra ar an ghrianghraf seo. Don Scr daitheoir amh in Uimhir Ceiste 1 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. 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. 2 3 4 5 6 7 8 Marc Ioml n A2B1S8 3643.03 Marcanna LEATHANACH B N A2B1S8 3643.03 2 [Turn over Roinn A Scr daitheoir Amh in Marcanna Athmharc 1 Cuir s os ar an ch is at le gach ceann de na cine lacha seo de thruailli agus ar an ifeacht iarmhartach a bh onn leo. B isteach aig adach C is ____________________________________________________ __________________________________________________________ ifeacht __________________________________________________ __________________________________________________________ Eotr f C is ____________________________________________________ __________________________________________________________ ifeacht __________________________________________________ _______________________________________________________ [4] A2B1S8 3643.03 3 [Tiontaigh an leathanach 2 L ir onn an l ar id seo th os an timthriall n trigine. Bain s id as an l ar id le cuidi leat na ceisteanna seo a leanas a fhreagairt. n trigin atmaisf arach Scr daitheoir Amh in Marcanna Athmharc baict ir fosaithe n trigine tintreach fos n trigine A am iniam san ithir C n otr it san ithir B sint is pr it in ceimice in org nacha ina bhfuil n trigin i bplanda ionghabh il d le ions sint is pr it in ceimice in org nacha ina bhfuil n trigin in ainmhithe Arna chur in oiri int : Biology: Marcus Barbour, Mike Boyle, Mike Cassidy, Kathryn Senior, Collins Educational 0-00-322327-2 (a) Sainaithin na pr isis at lip adaithe A, B agus C. A ___________________________________ B ___________________________________ C ___________________________________ [3] (b) (i) Cad iad na cine lacha ithreach a choth dh agus a spreagfadh pr iseas C? ______________________________________________________ ___________________________________________________ [1] (ii) C n d igh a bhf adfadh feirmeoir na cine lacha seo a fhorbairt? ______________________________________________________ ___________________________________________________ [1] A2B1S8 3643.03 4 [Turn over (c) (i) C n gr pa planda ar f idir leis fos n trigine a dh anamh? Scr daitheoir Amh in Marcanna Athmharc ______________________________________________________ ___________________________________________________ [1] (ii) Ina leith id seo d fhos n trigine b onn gaol comhara ochta i gceist idir na planda agus na baict ir fosaithe n trigine. M nigh an t arma comhara ocht sa chomhth acs seo. ______________________________________________________ ______________________________________________________ ______________________________________________________ ___________________________________________________ [2] A2B1S8 3643.03 5 [Tiontaigh an leathanach 3 F adann v ris ionradh a dh anamh ar an chorp agus stchealla irithe a ionfhabht . Iomada onn siad sna cealla seo agus scaoiltear ansin iad le h stchealla eile a ionfhabht . Sa l ar id th os l ir tear stchill arna hionfhabht ag v reas agus saor-v ris arna scaoileadh chill ionfhabhtaithe. Scr daitheoir Amh in Marcanna Athmharc antaigin v reasach saor-v ris stchill arna hionfhabht ag v reas (a) Mar gheall ar imdh onacht tr mhe n ceall taobh istigh den chorp, scriostar cealla arna n-ionfhabht ag v reas. M nigh c n d igh. _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ ______________________________________________________ [4] A2B1S8 3643.03 6 [Turn over (b) Mar gheall ar imdh onacht tr mhe n antasubstainte, scriostar na saor-v ris. M nigh c n d igh. Scr daitheoir Amh in Marcanna Athmharc _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ ______________________________________________________ [4] A2B1S8 3643.03 7 [Tiontaigh an leathanach 4 Coinn onn mamaigh teocht ard coirp, taobh istigh den raon 35 go 40 C de ghn th, agus cailltear teas chuig an timpeallacht sheachtrach tr Scr daitheoir Amh in Marcanna Athmharc rada ocht seoladh agus comhiompar gal An m id coibhneasta teasa a chailltear tr gach ceann de na pr isis seo, athra onn s ag teochta difri la timpeallachta. Sa t bla th os taispe ntar sonra maidir le m id c atad nach gach ceann de na pr isis seo mar chuid den teas ioml n a chailltear ag 3 theocht. M id c atad nach den teas ioml n a chailltear Teocht timpeallachta/ C Rada ocht Seoladh agus comhiompar Gal 25 67 10 23 30 41 33 26 35 4 6 90 (a) C acu teocht timpeallachta ar m an m id ioml n teasa a chaillfidh an mamach ann? M nigh do fhreagra. _________________________________________________________ _________________________________________________________ _________________________________________________________ ______________________________________________________ [2] (b) B ionann ag na 3 theocht timpeallachta an m id teasa a cailleadh tr rada ocht. M nigh na difr ochta sa chaillteanas teasa tr rada ocht a thaispe ntar sa t bla thuas. _________________________________________________________ _________________________________________________________ _________________________________________________________ ______________________________________________________ [2] A2B1S8 3643.03 8 [Turn over (c) M nigh dh phr iseas fhiseola ocha tr na gcaillfeadh an corp teas ag teochta timpeallachta is airde. Scr daitheoir Amh in Marcanna Athmharc 1. _______________________________________________________ _________________________________________________________ _________________________________________________________ 2. _______________________________________________________ _________________________________________________________ ______________________________________________________ [4] A2B1S8 3643.03 9 [Tiontaigh an leathanach 5 An ch im sholas-sple ch de fh taisint is, tarla onn s ar scann in th leac ideacha i gcl raplaist. Sa l ar id th os, tugtar achoimre ar na pr isis a tharla onn ar an scann n t leac ideach. SOLAS SOLAS glac ir pr omh il leictreon scann n t leac ideach ionad imoibr uch in Scr daitheoir Amh in Marcanna Athmharc glac ir pr omh il leictreon ionad imoibr uch in X f tach ras II f tach ras I Sreabh na leictreon (a) Sna f tach rais, b onn solas ions ag l ocha difri la ar a n- ir tear cl raifill a, cl raifill b agus carait an idigh. M nigh an bunt iste a bh onn ann as na f tach rais a bheith comhdh anta de l ocha de chine lacha difri la. _________________________________________________________ ______________________________________________________ [1] (b) M nigh cad a tharla onn taobh istigh de na f tach rais sula n-asta tear na leictreoin na n-ionaid imoibri ch in faoi seach. _________________________________________________________ _________________________________________________________ _________________________________________________________ ______________________________________________________ [2] (c) Na leictreoin a chailltear i ngach f tach ras mar gheall ar fh taighn omhacht , cuirtear ar ais iad fhoins difri la. Luaigh foinse na leictreon i ngach c s. F tach ras I __________________________________________ F tach ras II _______________________________________ [2] A2B1S8 3643.03 10 [Turn over (d) Ainmnigh na m il n at lip adaithe X. M nigh cad a tharla onn nuair a bh onn leictreoin ag dul feadh na m il n seo. Scr daitheoir Amh in Marcanna Athmharc _________________________________________________________ _________________________________________________________ _________________________________________________________ ______________________________________________________ [2] (e) M nigh cad a tharla onn nuair a phioctar leictreoin suas ag an ghlac ir leictreon i ndiaidh f tach rais I. _________________________________________________________ _________________________________________________________ _________________________________________________________ ______________________________________________________ [2] (f) C n bunt iste at ann, dar leat, as na m il n sa ch im sholas-sple ch a bheith suite sna scann in th leac ideacha? _________________________________________________________ ______________________________________________________ [1] A2B1S8 3643.03 11 [Tiontaigh an leathanach 6 Taispe nann an l ar id seo th os neafr n du in. Tarla onn scagach n idir an glomar lach agus caps l Bowman agus, de r ir mar a bhogann an scag it tr d an chuid eile den neafr n, tagann athruithe ar a comhdh anamh. glomar lach caps l Bowman fid n neasach comhchasta l b Henl (a) Athruithe i gcomhdh anamh na scag ite agus ag bogadh tr d an neafr n, is f idir iad a chur i gcompar id le comhdh anamh phlasma na fola agus iad a shloinneadh mar ch imheas scag it:plasma le haghaidh substaint indibhidi la. Taispe nann an graf th os athruithe sa ch imheas scag it:plasma do shubstaint irithe taobh istigh den fhid n neasach. C imheas scag it:plasma 2.0 rna du n a in gl c s il le p ch ire cl ir d 1.0 s c gl 0.5 hlorizin ir 1.5 0 Foirceann chaps l Bowman A2B1S8 3643.03 Fad feadh fid n neasaigh 12 Foirceann l b Henl [Turn over (i) Sa ghraf thall t an c imheas scag it:plasma do ghl c s i ndu n arna ch ire il le phlorizin. Coisceann phlorizin iompar gl c is i gcealla. An t-athr sa ch imheas scag it:plasma do ghl c s sa du n arna chl ire il le phlorizin, c n m ni at air, dar leat? Scr daitheoir Amh in Marcanna Athmharc ______________________________________________________ ______________________________________________________ ___________________________________________________ [2] (ii) M nigh na tortha do na substaint seo a leanas, i ndu n neamhch ire ilte, agus do fhreagra in (i) chur san ireamh. Gl c s _____________________________________________ ______________________________________________________ ______________________________________________________ ir ______________________________________________ ______________________________________________________ ______________________________________________________ Cl ir d _____________________________________________ ______________________________________________________ ___________________________________________________ [5] (b) I gc s mamach a bhfuil c na orthu i bhf sach, is faide go m r an l b Henl n i gc s mamach a bhfuil c na orthu i dtimpeallacht ina bhfuil fl irse uisce. C n m ni , dar leat, a bheadh ar an oiri n seo? _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ ______________________________________________________ [3] A2B1S8 3643.03 13 [Tiontaigh an leathanach 7 Taispe nann Grianghraf 4.7 leictreonmhicreagraf tarchur ardtaifigh (an dath leasaithe) de shionapsa idir dh n ar n. Scr daitheoir Amh in Marcanna Athmharc (a) Sainaithin na gn ithe at lip adaithe A agus B. A ___________________________________ B ___________________________________ [2] (b) Cuir s os ar sheicheamh na n-imeachta i ngn A a tharla onn mar gheall ar r og a theacht i l thair. _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ ______________________________________________________ [3] (c) Cuir s os ar sheicheamh na n-imeachta ina dhiaidh sin a d fh gfadh go mbeadh r og ag tarl sa n ar n iarshionapsach. _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ ______________________________________________________ [3] A2B1S8 3643.03 14 [Turn over (d) T an scoilt shionapsach 20 nm ar leithead, agus is 40 m s 1 an r ta idirleata substaint thairsti. R omh an mhoill ama a bh onn ann mar geall ar an sionapsa. (Taispe in do chuid oibre sa sp s th os.) Scr daitheoir Amh in Marcanna Athmharc Freagra _____________________ [2] (e) Agus an tarchur sionapsach thart, tarla onn imeachta ag an sionapsa le t arnamh a bhaint amach. Breac cuntas gearr ar dh cheann de na himeachta seo. 1. _______________________________________________________ _________________________________________________________ 2. _______________________________________________________ ______________________________________________________ [2] A2B1S8 3643.03 15 [Tiontaigh an leathanach Roinn B Scr daitheoir Amh in Marcanna Athmharc Sa roinn seo t thar ag s il leis go dtabharfaidh t do fhreagra i bpr s lean nach, le l ar id mar thaca ocht leis, san it ar cu sin. Cuirtear i gcuimhne duit go bhfuil suas le dh mharc sa cheist seo ag dul do chaighde n na cumars ide scr ofa. [2] 8 Scr obh cuntas ar riospr id anaer bach mar bhealach meitibileach, agus ar a feidhm agus ar a hiarmhairt in acl mat n. [13] _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ A2B1S8 3643.03 16 [Turn over Scr daitheoir Amh in _____________________________________________________________ Marcanna Athmharc _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ A2B1S8 3643.03 17 [Tiontaigh an leathanach Scr daitheoir Amh in _____________________________________________________________ Marcanna Athmharc _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ A2B1S8 3643.03 18 [Turn over Scr daitheoir Amh in _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ A2B1S8 3643.03 19 Marcanna Athmharc A2B1S8 3643.03 [Turn over A2B1S8 3643.04 A (le h s id le Ceist 7) Ardbhitheola ocht TGO Aonad Meas naithe A2 1 Mod l 4: Comhordan idi , Bithcheimic agus Timpeallacht Samhradh 2008 Grianghraf 4.7 Foinse: http://www.sciencephoto.com N ar n iarshionapsach B

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Additional Info : Gce Biology May 2009 Assessment Unit A2 1 - Module 4: Co-ordination, Biochemistry and Environment (Irish Medium)
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