Sc Paper 2_trial Spm Trg_2009
Transcript of Sc Paper 2_trial Spm Trg_2009
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SULIT151v2SciencePaper 2September20092 % hours
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JABATAN PELAJARAN NEGERI TERENGGANUPEPERIKSAANSIJIL PELAJARAN PERCUBAANMALAYSIA 2OO9
SCIENCEPaper
Two Hours and Thirfy MinutesDO NOT OPENTHIS TEST PAPERUNTII, YOU ARE TOI,D TO DO SOThisquestionpaper consist.s f threesections:SectionASectionB and SectionC
Answer all questions n SectionA and SectionB.Writeyour answersor Section A and Section Il clearlyin the spaceprovided on the queslionpaper..ForSectionC, answerQuestion 0 undchoose notherQuestion11 or Question12. Vrite. our ansv,erorSectionC on the ined pagesprovided at the endofthispoper. Answershoilel be clesr qnd logical.The marksallocatedfor euchsub-purl ofa questionsre shov,tr n brackets.
5 The ime suggesteclo completeSection A is 60 minules,SectionB ,J J0 ninutes azd Section C is 40 minutes.6 Youare allotted to answer the question n Englishor Bahasqfufelaw.
For Examiner'sUseSection Ouestion MarksA
I231
B36I89
C t0l1t2Total
DittLl i tkrrt ( ) l t l t .AKRAN{ NI.]GERITERI]NGGANTI
I ) ih iutui Oleh:KERA.IAANNEGI]RITEREN(;GANI]
Dit etuk Olalt;!)crcelakan Ytwtstut Lslutt Terettg,,guttuSdrt. Bltd.
Tel: 609 666 8611/6652/8601 Fuk.s; 609'66(t 0611/006-lThisquestion aper onsists f 19 printed ages
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Section120markslAnswer all questions n this sectiotr.Jaw,ab semua soalanThe time suggested o answer this section is 60 minutes
Masa 1;angdicadangknn untnk bahagian ini ialah 6OminitDiagram l.l and Diagram 1.2 show an experiment o study the electricalconductivityof lead(Il) bromide.Raiah I.l dan Rajah 1.2 mcnunjukkan eksperintenuntukmengkaji kekonduksianelektrikplumbum(ll) bromida
r-arD0n .tecrodeCarbon lectrodeElelrtrod karbon
Carbon lecEodeElekned karbon
Diagram lRajah1.1
Elektrod karbonSohdead(l l) romrdePepepl plunbun(ll) bromtda
Carbon lectrodeElektrod karbonMoltenead(ll)bronudeLebur* n p umbun( I) bromidat
HeatHaba
(a) ( i )Diagram1,2Rajah1. 2
What s the eading f theammetern l)iagram1.2?Apakahbacaanammeter uh Rajah1.2?
(ii) Stateone nferenceor this experiment.Nyatakansalu inferensbagi eksperimenni
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ST.ILIT JStatehemanipulatedariablen thisexperiment.Nyatakotpembalehubah imanipulasikan alameksperimenni.
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(c)I narkl
State nehypothesisor thisexperimentl,lyatakan da hipotesisuntukeksperimenni.
fl nrkl(d) Predicthe eadingf ammeterf themottenead(ll) romides cooled t oom emperaturekmalkanbacaan mmeterika leburan lumbum(Il1romida isejukkanodasuhu ilikI markl
Diagram shows nexperimento studyhe heat hangen a fermentationrocessf glucose.Rnjah2 menuniukkanksperimen ntukmengkaji erubahanhabadalamprosespenapaionglukosa.
DiagramRajah2
The esuhs f the experiments recordedn l'able2.Keputusan ksperimenitunjul:kandalamJadaal2,Time min)Masa(min) Thermometereading"C)Bacaan ermometer0 285 30l0 32I520 3525 35Table2Jadual2
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Glucose olution yeastLarutanglukosa+ yis
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STLIT t5lU2(a) Based n the hennometereadingn f)iagram2, complete able7.Bcrdasurkanbacaan ennoneterdalum Rajuh2, Iengkapkan adual2. $ markl(b) Basedon Table2, draw a graph o show he retationshipbetween he ime and he temperature.Berdasarknn adual2, luki.vgrnf untukmenunjukknn ubwngan ntara tnasadan suhu.
Temperaturet)Suhu
Time (min)Masa
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(c) What s the elationship etweenhe ime and he emperaturen the irst l5 minutes?Apakahhubunganont&ramasadan .suhu alam mnsa 5 minit yang pertama?
Il. markj(d) Predict he temperature t lhe 3tlh minute.Ramnlkan uhunadaminit ke-34.
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]s;truTi] Thediagram howshe ormationof an mage y a convexens.Rajahmenunjukkanembentukanmejolehkantacembung
Diagram (ii)Rajah (ii)(a) (i) Completehe aydiagramo show he ormarion f an mage n Diagram3(ii)Izngkapkan ajah sinaruntuknrenunjukkmembentukanmejpadaRajah3(ii)
(ii) Measure ndwrite thesizeof the mage.akur dannlis saiz mei.. . . . . . . . , . . , ,m
(b) What s theconstant ariablen theexperiment?Apakah embolehubahangdimalarktndalamexperirnenni?
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Diagram (i)Rajah3(i)
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SULIT tstu1!(c) State he hypothesisof this experiment.Nyatakan hipotesis bagi eksperimen ni,
I mark)Diagram 4 shows he experiment o studythe effect of potassiumon plant growth.Seedlings f com is put in two different ypesof culturesolution or one week and he result s shownbelow.Rojah 4 menunjukkan eksperimenuntuk mengkaji kesan unsur kalium bagi pertumbuhan anah benih.Anak benih agung dimasukkan di dalam dua enis larutan kultur yang berbezaselqma seminggu dankeputusan el
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STLITWhat s theconclusion f thisexperiment?Apakahkesimpulan agi eksperinrenni?
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LImarkl(d) State heoperational efinition of the seedling rowrh,Nyatakan efnisi secqrct perosibagipertumbuhan nak benih.
U marklSection B[30 nar&sl
Answerall questionsn this section.The tmesuggestedo ans*-er hissection s 5A minutes.Diagram shows pathway f impulse n human ervous ystem.Rnjah5 menunjvkkanaluan mpulsdalam sistem araf nanusia-
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C.entral ervous ystemSi.stemarafpusatResponseGerakbulas+III
(a)
Sensory euroneNeuronderia
Diagram5Rajah5Based n Diagram5, nameP andneuroneQ.BerdasarknnRajah 5, nwrwkanP dan neuronQ.P:NeuroneQ :NeuronQ 12marksl
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tStt/2(b) State ne ypeof effector n human ody.Nyataktn s&u ienis efelaardalambadanmawtsia.
ll markl(c) State he unctionof sensory eurone.
Nyatakanungsineuronderia.U markl
(d) Mark ({) the activities that controlled by the cerebellum.fftrula (J) bagi aktiviti-aktiviti yang dikwal olehserebelum.
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SULIT tstuzDiagram6 shows he crossbreedingof a malerat with heterozygous tack ur anda female at withwhite ur. B representsominantgenes ndb representsecessive enes.Raiah6 menunjukkan ncukanantara tikusantan berbuluhitam tak tulen dan tikushetinaberbuluputih.B mewakili gendominandan b mewakiligen resesit.
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Male heterozygouslack urTikusontan berbuluhitamTak tulen
I)iagram6Rajah6State hegenotypeof parentP.Nyataknngenotip nduk P.
Femalewhite urTikusbetinaberbuluputih4n'-61-f,
6F::./
%,EI68IFIets|;;;l FirstgenerationGenerasi enama(a)
Il markl(b) State he genotypeofNyatakan genotip(i ) ratStikusS(ii) ra tU :tikusU
[2 marks](c) Iftwo black ats rom the irst generations crossed achother,what s theratioof black at o thewhiterat n the second eneration?Jika dua tikus hitrtmdari generasiperloila dikacukkon esume endiri, apakannisbah tikushitarnkepada ikusputih dalam generasikeduo?
IL mark]Name he actor hat nfluence hecolourof fur.Nyatakanaktor yangmempenganthiwuma bulu tikustersehut(d )
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SULIT 10What s the ypeof variation f fur colour?Apakahenisvartasibagiwamabulu?
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tI murklI)iagram7.1shows cross ection f anoil pdm fruitsRajah7.1menunjukkn keratan entasbuahkelapasawit.
Diagram .1Rajah7.(a) Namepartof the ruit thatproduceshcmostoil.
Namalun bahagian buah kelapasawity-angmenghasilkanminyakpalingbanyakIl markl(b) Stateone advantageof oil palm to our health.Nyatakan sata kebaikail minyak kelapa sawit pada kesihatan.
Common altGsram biasaPalmoil + sodiumhydroxideMinyaksawit+natrium hidroksida
Glass odRod kacs
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HeatPanaskanDiagnml.2Rajah .2
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SULIT l l Lstu2(c ) Diagram7.2showsheprocess f makingsoap n laboratory.Rajah7.2 menunjuldant rosesmembuat abundi mabwl.
(i) Name heprocess f makingsoap,Namakanprosz..s embuat abun.
{l markl(ii) Statehe unctionof commonsalt.Nyatakanun gsigarambiasa
Il markl(d) Stateanother plantoil thatcanbe used to producesoap.Nyankanminyak umbuhan ain yangboleh digunaknnuntukmenghasilkan abun.
Il mark)(e) Diagnm 7.3 shows he structure f soapmolecules. ircle hepart hatdissolve n grease r oil.Raiah7.3 menuniuh'*.antruknr molekulsabun.Bulatkan bahagianyang arut dolam grisaauminyak.
TailekorDiagram 7.3Rajah 7.3
HeadKepala
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SULIT l2Diagram showsheprincipleof a four strokes etrolengine.Rajah8 menunjukkan perasi enjinpetrol empatejang
DiagramRajuhName trokesM andN in f)iagram .NamakanejangM dqn'N dalan RajahB.(i) Namestructure in Diagram .Namakan trukturL dalan Raiuh8.
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lL narkl(ii) What s the unctionof structure ?Apakahungsist uktur L?
ll markl(c ) Mark( {) in the boxes rovidedn Diagram8 to showwherehecombustion f thepetrol akesplace.Tandakan "[ ) di dalam kotakyangdisediakan alamRajah8 untukmenunjukkan i manapembakaranet ol be laku. U markl
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(a) (i)
rStt/2(d) Stateone difference between our strokespetrolengine and a four strokesdiesel angine,Nyatetkcnsatuperbezaan antara enjin petrol empat lejang dengan enjin diesel empat lejang.
I l nnrklDiagram showshemodulation rocessetweenadiowaves ndaudiowavesrequencyo formmodulated avesn the ransmissionystem.Raiah9 menunjukkan rosesmodula,si i anraragelombangadiodengangelombangrekuensiuudiountukmembentukelombangermodulasialam istem emoncaradio.
l3
ModulatedwavesGelombang termodulasi
DiagramRaiuh9
Complete andQ in theboxes n Diagram using he ollowing nformarionLcngkapkan danQ d.alametak padaRajah9 denganmaklumat ertkuta Radio wavesGelombang radio
Audio waves requencyG elombangfr ekuens audioa
(ii) Draw modulated avesn theboxprovidedn DiagramLukiskangelontbangermodulasi alampetakyangdisediakan adarajah9
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SULIT t'tU2(b) State he type of modulatedwaves drawn in Diagram 9.Nyatakan enisgelombang ermodulasiyang dilukis dalam Rajah 9'
fi rnurkl(c ) Nameacomponentn radio ransmissionystemhatproduceadiowaves.
Namakan omponenlalamsistemerwncarradioyangmenghasilkanelombangadio-ll marklGiveonereasonwhy radiowaves reusedn radiocommunicalionystemsBerikan atu sebabmengapa eletmbangadiodigunaknnlalam sistem omunikasiarlio.
tl marklSection C[20 marb]
Answer Question l0 an
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STJLIT rstu2(iii) List of appararusand materials
Sennrai radas dan bahant [l mnrkl(iv) Procedureor methodProsedur atuu kaedah 11marksl(v) Tabulationof dataPenjwlualan data lI mark)
11 (a) State wo type of chemical substances nd tlpir effectsof excessiveuse n fcrod processing"Nyatakanduajenis bahankimiodan kesanpeng6uncannya yang berlebihan ke dalammqkanenyung diproses.[4 marks]
(b) A fisherman finds that his catch has ncrease.Statehow the catchcan be stored or a longerperiod.Your answer should include the following aspects;Seorangnelayanmendapati hasil tungktpanv*a emakin bertambah. Nyatokan bagaimana hasil,tangkapan ersebutboleh disimpan dulam tempohvang lehih lama.Jaw ap an anda hendakluh mengan dungi pe kar a pe kar a lse i kut
I ProblemstatementPemvulaail masalah t markl. State he methods and explain how eachmethodcan make the catch kept for long lastingNyatakan kaedah-kaedah dan terangkan l>aguimonr setiop kaedah holeh nenjaelikan hrxiltangkapan tahan lebih lana 14marksl. Choose he best method and explain your choicePilih kaedahterbaik dan terung,kttn ilihan anda {l narklt7 . (a) Explain two reasonswhy improperdisposalof plasticwastes ancausedheenvironmentalproblems.State wo proper ways to disposeof plastic wastes.Terangkandua sebab n engapapembuangan sisa pktstik1,ang klak sempurrn bolehmenyebabkanmasalah alam sekilar. Nyatakandua coro terbaik utrtuk nwmbuang sisaplastik.[4 marks]
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Bakelite lugPlagbakelit
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