Science Kedah 2012

7/29/2019 Science Kedah 2012

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SULIT151il1SainsKertas IOgos 20121%iam

PROGRAM PENINGKATAN PRESTASI AKADEIUIIK SPMTAHUN 2012SAINS

Kertas 1Satu jam lima belas minit

JANGAN BUKA KERTAS SOAIAN INI SEHINGCA DIBERITAHU1. Kertas soalan ini adalah dalam dwibahasa.2. Setr'ap soa/an dimulaidengan soalan Bahasa lnggeris dan diikuti dengan terjemahannyadalam Bahasa Melayu.

INFORMATION FOR CANDIDATES1 This question paper consists of 50 questions.2 Answer all questions.3 Answer each question by blackening the correct space on the objective answer sheet.4 Blacken only one space for each question.5 lf you wish to change your answer, erase the blackened mark that you have made. Thenblacken the space for the new answer.6 The diagrams in the questions provided are not drawn to scale unless stated.7 You may use a non-programmable scientific calculator.

MAKLUMAT UNTUK CALON1. Kerfas soalan ini mengandungi 50 soalan.2. Jawab semua soalan.3. Jawab dengan menghitamkan ruangan yang betul pada keftas jawapan objektif.4. Hitamkan satu ruangan sahaja bagi setiap jawapan.5. Sekiranya anda hendak menukarkan jawapan, padamkan tanda yang telah dibuat.Kemudian hitamkan jawapan yang baru.6. Rajah yang mengiringi soalan tidak dilukiskan mengikut skala kecualidinyatakan.7. Safu senarai rumus disediakan di bawah.8. Anda dibenarkan menggunakan kalkulator saintifik yang tidak boleh diprogramkan.

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Kertas soalan ini mengandungi 27 halaman bercetak[Lihat sebelah

www.banksoalanspm.blogspo
http://www.banksoalanspm.blogspot.com/


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lsl l/lDiagram L shows a structure of human brain.Whidr part &BrC or D is acerebellum?RQah 1 menunjuklcan strulefirr otak manusia- Antara ArBrC dan D gang manaknhserebelum?

Diagram 1Rajah 1Aminah picks sotne flowers. What t5pe of action involved?Aminah merrctik beberapa lunturn bunga. Apalwh jenis tindalean gang terlibat?A A reflex actionf ind.akan refi,elcsB A capillary actionTindakan leapilaxiC A voluntary action

Ttndakan terkawalD An involuntary actionTindalean luar kaualThe following statement is an impulse pathway.Pentyataan berilut adaiah safii laluan impuls.

Which of the reaction involves the above impuls pathway?Tindalcan manakah terlibat dalam loluan impub di atas?A ReadingMembacaB Knee jerkSentakan htttrtC PeristalsisPeristalsisD Reducing the size of pupilsMengecillcan saiz anak mata

Stimulus-4

receptorRongsangan reseptor medulla oblongatamedulla oblongata ---+ efectorefeleor



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Diagra:rr 2 shows one of the human endocrine gland.Rajah 2 menunjulcJcan safii daripada kelenjar endolvin manusia-

Fallopian tubeTiubfallopio

Uterts[herusDiagram 2Rajah 2Name the gland?Namakan lelenj ar tersebut?

titut

ABcD

OvaryOuariAdrenalAdrenalPituitaryPituitariPancreasPankreasDiagram 3 shows the development stages of a baby.Which development stage, A,B,C or D represents meiosis?Rajah 3 menunjulckan peringkat perkembangan seorang bogt.Peringleat perkembangan manolcnh A,B,C dan D mewakili merosrs?Testis Sperm _restrs -l e r- sperma 1_?* zygot"_L Embryog :abyovary -lt

- ormm ,l- ?u*i"-- Embrio - aosiOuari Atnm Diagram 3Rajah 3



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r5r 1/r6 Diagram 4 shows a cross breeding of two rats.

Rajah 4 menu4juklean lcastk silang bagi dua eleor tilcusMaleJantan

ParentsInduk

First generationGenerasi pertama

Diagram 4Rajah 4B represents the dominant gene for black furB mewakili gen dominan unfik u)crnct bttlu hitamb represents the recessive gene for white furb mewakili gen resesif untuk u)arna bulu putihWhat are tJle genotype of the parents?Apakah genatip bagi leedua4ua induk itu?

7 Sex of a child is determined byJantina anak ditentulcan olehA number of chromosomesbilangan kromosomB ovum's sex chromosomelcromosom selcs ouumC sperm's sex chromosomekromosom seles spermaD chromosome of ovum cellItomosom sel outm

FemaleBetinav*qEb %@

ABcD

MaleJantan FemaleBetinaBB BBBB bbBb Bbbb Bb



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Diagrarn 5 shows a change of state of matter when iodine crystals are heated.Raiah 5 menunjukkan safii perubahsn leeadaan jiim apabtla lnblur iodin dipanaskan.

Diagram 5Rajah 5What is process M?Apalsahpros* M?A MeltingPeleburanB SublimationPemejalutapanC EvaporationPengejatanD CondensationKondereasiTable 1 shows four elements K, L, M, and Q.Jadual 1 menunjulcleon empat unsur K, L, M dan Q.

Table 1Jafital LWtrich elements are isotopes?Unsur manalcah adalah i"sotop?A KandLKdanLB KandQKdanQC LandMLdanMD MandQMdanQ

Process MProses Mt

ElementUnsur Nucleon numberNombor nukJeon Proton numberNombor protonK L2 6L 13 7M T4 7o 16 I

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lO Table 2 shows the physical properties of substances K and L.Jadual2 menunjuklcan sifatfrzilenl bahan K dan L.

Table 2Jadual 2What are substance K and L?Apalrnhbalwn K dan L?

11 Diagram 6 shows a sSrmbol in Periodic Table.Rqjah 6 menunjulclean simbol padaJadual Berkala.

Rajah6The number 16 refers toNombar 1 6 merujuk lczpadaA proton numbernomhor protonB nucleon numbernombor nukleonC number of electronbilangan eleldrcnD number of neutronbilangan neutton

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AB

D

Eiagram 6

Substance Melting point ()Talcot lebur {oC) Electrical conductivityKekondulcsian eleltrikBahan Solid stateKeodaan oepeial Molten stateKeadasn leburanK 115 NoTidak NoTidakL 800 NoI\dak YesYa

K LSodium chlorideNatrium Horida SulphurSuIfurIronBesf Sodium chlorideNdiumkloridaIronBesi SulphurSulfurSulphurSulfur Sodium chlorideNatriumklnida

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Which of the following involves chemical change?Anlara berileut gang manakah metibatlan perubahnn kimia?

Sugar solutionLarutan guta

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A

BIceArs

SugarGulaC

D Iron sheetKepingan besi

Mrgrcsium ribbon burnsPlra fitagt'd'ttu'' rerfukr

WatetAiraoI l___+)-e, \.-/Iron blockBongkah besi

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IDiagram 7 shows a chemical reaction.Rajah 7 menunjukkan suatu tindak balas kimio'

Sulphuric aciddsid su{furik

Diagram 7RajahTGas XGasXA trrrns lime water cloudymenukarkan air kapur menjadi lceruhB turns moist blue litmus paper to redmenukarkan leertas litmus birukepada merahC rekindles the glowing wooden splintermengalakan kayu uji berbaraD Produces a !op'sound when tested with a lightedmenghasilkan bunyi 'pop' apabila diuji dengan kagil uiiDiagram8showsacell.Rajah 8 menunjukkan suatu sel.

Icad plateP1,n?hBabtsai

Diagram 8Raja,h 8What is the advantage of the cell?Apakah kelebihan sel tersebuQA LightRinganB CheapMurahC RechargableBolehdicas semulaD Low voltageVoltan rendah

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MagnesiumMagnlesiunt

wooden splintermengolal4



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Why bleach is kept in an opaque botfle?Mengapakah balwn peluntur disimpan di dalam botol legap?A Easy to carr5rMudahdihautaB Avoid sunlightMengelaklca n u,hag a matahariC Prevent oxidationMerrceg ah peng olesid.aanD Prevent reaction vdth water vapourMencegah tindakbalas dengan utap air .T?re information below shows characteristics of ray Y.Maklumat di bauah menunjultkan sifat sinar Y.

o Able to penetrate a piece of paperBoleh menembusi sehelai kertaso Reflect towards positive plat in an electric fieldTerpesong ke plat positif dalam medan elektrikWhat is ray Y?Apalcahsinar WA X-raySinar-XB Beta raySinaran betaC Alpha raySinaran alfaD Gamma raySinaran gamct

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l017 Diagram 9 shows a nuclear reaction.Rajah 9 menunjukkan satu tindakhalas nuklear'

o ----'----'-'* @NeutronNeutron Uranium 235Nukleu,s 235

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- @ "r#"YI-o ffi;:"Diagram 9Rajah 9Name the reaction.

Namakan tindakb al a.s itrt.A Nuclear frssionPernbelahan nukieusB Nuclear fusionPelalstran nuk&eusC Physical changePerubahnn.frzil@ID Reversible reactionTindekbatas berbalik

18 Which rad.ioisotope is used to shrdy the absorbtion of fertiliznt by plant?Radiaisotop *onoioh dignalcan unAtk mengkaji pengerapan baia olehfiimbuhan?A lodine-131Iodin-131B Sodium-24Natrium-24C Carbon-14Karbon'14D Phosphorus-32Fosforus-32

19 What is the characteristic of the image formed by a plane mirror?Apalcah cii imej gang dibentuk ol.eh ermin satah?A RealNgataB Inverted*ngsangC Laterally invertedSonglsnng stsiD Bigger than the objectLebih besar daripada obiek

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1 I 1511/120 A man with a green attire stands under a yellow lighted 1amp. His. attire wili appearSeorang lelaki berpakaian hijau berdii di bautah lampu berulwga htning.Pakaian lelaki itu akan lelihatan

A redmerahB greenhijauC blackhitamD yellowhtning2L Which phenomenon is caused by light dispersion?

Fenomena manakah disebabkan oleh pengebaron cahaga?A Formation of rainbowPembentukan pelangiB Bottom of a pool appears shallowDa.sar lcolam kelihatan cetekC Sky appears blue during the noonLangit leelihatan biru pada utalfttt tengahlniD Red colour appears red in magenta light.Warna merah kelilwtan merah di bautah cahaga magenta

22 What is the colour produced when red and yellow pigments are mixed?Apakah u)arna yang terhnsil apobila pigmen m.erah dan ktning dicamptrkanfiA BlueBintB BlackHitamC GreenHijauD OrangeJingga

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. IronEesir Ch.rorniumKramiumr Nickellff.kslo (larbonRanbort

r)ILThe following inforrnation shows eiernents fcund in am alloy.Maklumat beiktt menunjukkan unsur-utLsur dalom suatu afoi.

Name the allc'y.l{amakan aloi iu.Brassi,ogangF;onzeGangsaDuraluminDuraluminStainless steelKeluti nirkrtrat

The foilowing word equation shows a chemical reariicrl.Persamaan perkataan berktt menunjukkan suatu tindukbolas kinda.X + hydrogen*--*-| AmmeiniaX + lidrogen Ammonia

What is X?Apekah X?A OxygenOksigenB ChlorineKloinC NitrogenNitrogenD Carbon dioxideKarbon dioksida

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AB

D

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l3 l51l/t25 The release of carbon dioxide from burning of fossil fuel will causePembebasan gas lcarbon diolesidn daripada pembakarart bahan apifosil aleanmengebahkan

A acid raintu$anasidB gtobal wanningWnvlncrsan globalC ozone depletionpenipisanlapisan ozonD reduce of soil fertilitykesuburan tanah berkurang

Microorganism P is used in tJ:e making of bread.Which other product needs microorganisms P?Mikrootganisma P digunakan di dalam pembuatan rotLProduk lain gang manakah mem.erlukan milercorganisma E)A WineWainB VinegarCukaC CheeseKejuD YoghurtYogurt

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t4 l51l/1ZT The following information shows the characteristics of a microorganism.Maklumat aerwtt menuniuleka n cu-ciri suafu mikroorg anisma-

Lr--.-@j"#(3}

}K

o ParasiticParasitr Form crystals outside living cellMembenfitk hablur di fuar sel hiiluPWhat is the microorganism?Apalah milvoorg crnisma tersebut?

28 Na:rre tJre disease tl:at spreads through cougfring and sneezing?Namalan penyakit g artg tersebar melalui b afitk dan bersin?A CholeraKoleraB Hepatitis BHepditis BC TuberculosisTvberanlosisD Dengue feverDemamdenggi

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l529 Diagram LO shows the life cycle of a housefly.Rajah 1 A .menuniulelcan kitar hidttp seekor lalaL

f:*- ,.tqrrrJ -'n/xtDiagram 1ORajah 10

What is tl'e suitable condition at stage R?Apaleah lcea.daan gang sesuai pada peringlcat R?A Dark and damPGelq danlembaYtB Dark and dryGelap donkeringC Dry and smellYKering danberbauD Dry and smellYKering danberbau

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which of the tlpes of food has the lowest calori{ic value ?Jenis makanan gang manakah mempungai nitai katoi gang palittg rendah?

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B

Mineral waterAir mineralD

Orange juiceJus oren

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t7The following statement show the nutrient needed by plants.Perngataan berihfi menunjukkan nutien yang diperlukan oleh tumbuhan.

P * NitrogenNitrogenQ * CalciumKabiumR - ManganeseManganS'- tulolybdenumMolibdertumW1iich of the following pairs of nutrients are correct?Antora pasaqan nutrien beikut Veng ffLclnakah betul?

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MacronutrientMaVqryutienA PandQPdanQB PandRPdanRC PandSPdanSD RandSRdcnS

MicronutrientMikronutrienRandSRdanSQandSQdanSQandRQ danRPandQPdanQ:.-) Table 3 shows the caloriiic value nf three types of food.Jsdual 3 menunjukkan nilai kalori bagi tiga jenis makanan.

Amin eats 25Og egg,taken?.Amin makan 2S0g telur,di*.mbilnga?A 3080 kJB 4825 kJc 48s0 kJD 5955 kJ

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Table 3Jadual 31509 rneat and 2O0g rice.What is the total calorific value15Og daging d.an 20Og nasi. Berapakah jumlahnilaikalaigang

FoodMakanan Calorific value (kJ/ 1O0 g )Nilai kalori ( W/ 10Oq IEggsTelur 600MeatDoginE 1010Ricelfasi 1470

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33 Diasram 11 shows a water rycle';;""h71 ,""nuniukknn kitaran air'

34Afarmerfrndsoutthatthepalmfruitinhisestateisbeingeatenbyrats.Whichnatu;;th;";il"-;*dtoovercomethisproblem?seorans per"r;;;;**i n "n.tJiii ""ut di tadansnsi di*okon o.teh ftkus'Kaed.ah semuta jadi gang mana*ifat-t"i ati"oXon inkX mengatasi masalah ini?A Rearing owlsMemetiltsta burtmg hantttB Using PesticideMenggunakan Pestisid'C Placing rat traPsMemasang P erangkaP tiktsD cutting.Xol; "[ ttt" trees and planting new onesu unuu ',i"*T*'ff iolJli i"" ^"nino^ pokok b aru'

What are Processes Q and R?ipakahPro'ses Q danR?aA TransPirationTransPirasi

B EvaPorationPengejatonC TransPirationTrar*PirasiD CondensationKondensasi

Diagram L 1Rajah 71

RCondensationKondensasiTransPirationTtansPira.siEvaPorationPmgeiatanResPirasiResPirasi

WatervaPourWap air

River and PondSungai dankolam

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15rill35 Table 4 shows the change of gas Q by plants in the meadow durir:g the dayand night .Jaduat 4 menunjulckan pstukaran gas Q oleh tumbulnn di padang rumput padauaktu siang dan mo,lant

PlantTfumbuhan

DaySic,nq NightMalamAbsorbgas QMengeragtgas QReleasegAS QMembebaskangas Q

Absorbgas QMenyerapgas QDo not releasegAS QI\dakmembebaslcanaas OTable 4Jadual 4

What is gas Q?Apakah ges Q?A Carbon dioxideKarbon dioksid.aB HydrogenHidrogenC NitrogenNitrogenD O:


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37 Diagram 12 shows an e4periment to produce ethanol.Rajah 1.2 menunjulclcan elssperimen untuls tnenglvsillcan etanol.Delivery tubeTiub penglantar

Clucose solutbn + yeastIsrutan glulasa + YisDiagram 12Rajah 12

What is tle process involved?Apalcnh p roses g ang tertib at?A DistillationPengihganB FermentationPenapaianC EsterilicationPengestqanD FiltrationPenurasan

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- -- - - - I-J-----J--- -- -b---

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2tDiagram 13 shows tJle cleansing action of soap molecules.Rajah 13 menunjukkan tindalean perwcian molelotl sabun.

RDiagramRajah 13

Which seguence is correct?Urutan manaleah g ang befii?P-S---+Q--+RP--Q-*R-rSS---rR+P -+QR-rS-+P+Q

13

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ABcD

fi+yarc-f,?*aL.cr 6O*-

S

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l51t/lThe following inforrnation shows a process to produce vulcanlzed rubber.Maklumat di bauah menu4jukkan satfii proses unfitk menglnsillcnn getah tervullean

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Natural rubber t9j|11?* Vulcanized rubberGetah asli -"-""""--'+ Getah terwlkanWhat is substance XApaleah balnn X?A SulphurSutfu,B Alcohol

AllcoholC Organic acidAsid organikD Sodium chlorideNatrium klorida40 A larger container ship often takes ovef, an hour to slow down to a stop after itsengine is shut off. Which of the following explain the situation of the cointainership?fubuah kapal kargo bia.sanga mengambil masa lebih daripa.da saht jam untuk berhentiselepas enjinnga dimntikan- Antara gang berikut gurg mnnalwh mencrangleon sttuastkapal kargo tersebut?

A Large inertiaInersiabesarB High upthmstDagatujahtinggiC High accelerationPeantantingg.D Large momenhrmMomentttm besar

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l5 I t/l43 A fisherman caught fishes in a large quantity. What is the process to maintain t}tefreshness of the fishes in two weeks?&orang nelagan telah menangkap ikan dalam lanntiti gang banyak Apakahproses unhtkmengekallean leesegaran ilcan dalam masa duaminggu?

A CoolingPendinginanB FreezingPengejulcbelananC DehydrationPend.ehiilratanD Vacumm packagingPembungksan uaktm44 What is the function of preservatives in food processing?Ap aleah fung si pengautet dalam p emprosesan makanan?

A Extend the shelf lifeMeningkatkan lcetaltanan makananB Make t]le food tastierMenamb ahlcan kelazatan makananC Enhance the flavour of foodMenomb ahkan rasa makananD Remove tlle natural colour of the foodMenghilangtcan u)arrra asli malcanan

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46 Ttre information shows the uses of slnthetic rt..bber.Maklumat merwniulcJeon lcegunaan getah sintettko TFeTagaro Soles of shoesTapakka$t

Name the synthetic rubber.Namalcan getah sintetik ittt.A ThiokolTiokolB NeopreneNeoprenaC Butyl rrrbberGetahbutilD Styrene butadieneStirena butadiena

4T Which of the following is tn.e about synthetic polymer and their uses?Antara beriktt gang manalcah benar tentang polimer sintetik dan legwnaannga?$yntletic pol5rmerPolimer sintetik UsesKegunaan

A PolyethenePolitena Contact lenseKantalelspB Polyvinyl Chloride (PVC)PolivinilKlorida WC) PVC water hostPaip air PVCc PolystyrenePolistirena Rain coattuiuhuianD PerspexPersoelc,s

Feeding bottlefutol susu48 What t5pe of wave is used in mobile phone?Apakah jenis gelombang gang digunalean dalanr telefon mudah alilP

A RadiowavesGelon&ang radioB Sound waveGelombang bungiC Infrared wavesGetombang infra merahD Ultra violet wavesGelombang ultraungu

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SULITLstL/2SainsKertas 2Ogos 2012

Nama : Tingkatan : ..............

PROGRAM PENINGKATAN PRESTASI AKADEMIK SPMTAHUN 2A12

SAINSKertas 2

Dua jam tiga puluh minitJANGAN BUKA KERTAS SOATAN INI SEHINGGA DIBERITAHU

1,. Tulis nomo dan tingkotan diruongon yangdisediokan dibohogian otos muka surat ini.2. Colon dibenorkan menjawob keseluruhon atausebahagion soalan somo oda dolam bahaso Meloyuotau bahasq lnggeris.3. Jawab semuo soalon dalom Bohagian A danBahogian 8. Bagi Bahagian C, jowab Saolon 7Odon mono-mono satu daripada Soalan 77 otauSoalan 72.4. Tulis jowapan podo ruangan jawapan yang

disediokan pada kertas soalan. Kertas tulis tambahonsekiranya digunokan, perlu diikot bersomo dengonbuku soolon ini.5. Langkah mengira hendoklah ditunjukkon.6. Msrkoh bogisetiop ceroian soalan ditunjukkan didalom kurungon [ ].7. Rajah tidak dilukis mengikut skala kecuali dinyotokan.8. Penggunaan kolkulotor sointifik yang tidok bolehdiprog romkon od o la h d ibe no rka n,

Untuk KegunaanPemeriksaBahaeian SoaIan Markah

A1234

B

56789

c 1011l2

Jumlah



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3(i) State the word seen by a driver through his front car's mirror.Ngatalcan perlcataan gang ditil&t oleh seorang pemandu melalui erminha.dapanlceretang*(ii) Base on your answer inl(c)(i), state the characteristic of the image formed.Berda.sarlcan jauapan anda dalam l(c)(t), ngatakan ciri imej Aang terbenfiilc

[2 marlcsl(d) Mark ({ ) in Table 1 below, t}re device which uses plane mfuror.Tand.akan fll pada Jaduat 1. di bawah alatan gang nanggunakan cermin satalu

PeriscopePerislcop MicroscopeMikroslap TelescopeTeleslcop

Table IJadual 1 IL markl



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4Didrgram 2 shows an experiment to study the e{fect of yeast on the height ofdough. The height of dough are recorded every 2O minutes for 2 hours.Rajah 2 merutnjukkan suatlt eksperimen'untuk menglcaji kesan' gis ke ata.slcetinggian doh- Ketinggian doh direkodlcan setictp 2A minit selqma 2 jarn.

DougtrDoh

Diagram 2Rajah 2The result of this experiment is recorded in Table 2.Keptfiusan ekspeimen ini direkodkan dalsm Jadual 2.

Table 2Jadual 2

Tirnes (minute )Masa (minit ) o 20 4A 60 80 100 L20

Height of dough tcm )Ketinggian doh { cm ) 2.O 3.6 4.7 4.9 5.0 5.0



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Predict the height of the dough on the f40th ninutes.Ramallcan lcetinggian doh pada minit Aang l@-140,lL nolkl

Diagram 3 shows an experiment to determine the calorific value of three typesof food. The foods are completely burnt.Rajah 3 merunjukAcan saht elcspeim.en unfiik rnenenfukan nilai lea,brt bagn tigajenis ma.kanan- MaJcnnan dibalcar dengan lenglcap.

log breadIAg roti l0g groundnutlAg kacang tana

Diagram 3Rajah 3The higlest temperature of water is recorded. The result of the experiment isshown in Table 3.Sl.rtru tertinggi air dieatatknruKeptttusan elcsperim.enitu dihnjulcJcan dalamJadual 3.

I}pe of foodJenis m-alcqrwn Rise of watertemperature/" CKenakan s,*ur air /"CBreadRoti 15GroundrrutKacana tanah 23Table 3Jadual 3



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7(a) State the variables in tJris e4periment.

Ng atakan p em.b olehub ah dalom eksp erim,en ini.{i) Manipulated variable:Pemb ole lntb a.h dimaniptlasi:

lL marlc](ii) Constantvariable:Pembolelanb ah dimalarkan:ll ma"ful

{b} State the hlpothesis for this e:qreriment.Ngatakan hipotesis un/;.tk elcspeimen inL

IL markl(c) Based on fhis e4periment, state the operational definition for calorific value.Berdasarlcan elcsperimen ind ngatakan d.efintsi seura operasi bagi nilai kalori.

IL rnarkl(d) Tick {{ the food which has higher calorific value than t}re groundnut.Tandakan (t) ma.kanan yang memrynqai nilai lsalori gang lebih lebih tinggidaipada lcacang tanah .

WatermelonTembikai Cheese cakeKeklceiu Cooked ricelYasi

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84 Diagram 4.1 and Diagram 4.2 show an experiment to shrdy the relationshipbetween the mass of an object and inertia. Time taken for both tins to stopswinging is recorded.Rajah 4.1 dan Rajah 4.2 m.enunfulclcan sant elcsperimen mengkaji hubungandiantara jisim objek dengan inersta. Masa gang diambil untuk lcedua4ua tin

berlzenti b eragun dicatatkan.

i \Mass*2OOgJisim * 200g StopwatchJamrandik

Diagram 4.1Rajah 4.1

Mass=6OOgJisim = 6A09 Jam ranitikDiagrarn 4.2

Rajah 4.2



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9(a) (t Based on Diagran 4.2, complete Table 4.Berdasarlcan Rajah 4.2, lengleaplcan Jadual 4.

Table 4Jadual 4(ii) State the observation on the stopwatch reading based onDiagram 4.1 and Diagrarn 4.2.NgataJcan pemerhatian pada bacaan jam randik berdasarleartRajah 4.1 dan Rqiah 4.2

(ur) State the inference that can be made based on the observation ina(a){ii}.Ngatalcan infercns gang dapat dibuat berdasarlcan pemerhntian diab){tl.

[3 marksl{b} State one responding variable in t}ris experiment.Ng ata.lcan sa&t pembolelubah bergeralcbala.s dalam elrsperimen ini.

{r ma*l{c) State the operational definition for inertia.

Ngatalcan definisi seurra operasi bagi inersia-{L narkl

Mass of object (g)Jisim obieklal

Timetaken for tin to stop swinging (min)Masatin berlwnti berauun {minl200 4

600



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10SE|CTION B[30 marks JAnswer all questionsJanaab semuf, soalan

Diagram 5.1 shows the endocriae gtands.Rajah 5. 1 m.enunjuklcan lcele4jar-leele4iar endokri*

Diagram 5.1Rajah 5.1ta) (i) Label X and Y in tl:e boxes provided in Diagram 5.1 using the followinginforrration.Label X dan Y dalam kotak Aang disedialcan d.atam Rajah 5.1 mengganaksnm.aldumat berilfi.tt.

Pituitary GlandKelenjar PittdtariThyroid GlandKelenjwTttpidAdrenal GlandKe(er$ar Adrenal

State one function of Y.Ngatalean saf;.t fungsi Y.

X:

Y:



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(b)

l1Diagram 5.2 shows a disease caused by excessive hormone in human body.Rajah 5.2 m.errunfukkan perryakit gang disebablun oteh lebilnn harmondalam bad,an manusia.

Diagram 5.2Rajah 5.2Name tlre endocrine gland that involved.Namakan kelenj ar endolsin g ang terlibqt.{il

{c}

{ii} State the disease in Diagram 5.2.Ngatakan pengakit dalam Rajah 5.2.[2 marks]

Mark 1^/ 1 tfre.foods should be taken by the patient in Diagram 5.2Tandalran (',1 ) makanan Aang patut diambil olehpesakit dalam Rajah 5.2.

PrawnUdangMeatDaging CrabKetam

[l nnrl$



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L2Diagram 6 shows a schematic diagram of a cross breeding between red roses plantand white roses plant.Rajah 6 manunfuklqn rajah sksma lcaaisn di antara polcok ftiawar merah denganpokokmauar putitl^

Red roses plantPolcoknulwcs merah White roses plantPolskmautarputih

x

Diagram 6Raiah 6(a) Name processNamo,lcanproses

ti) Ptii) 0 12 marksl(b) Based on Diagram 6, state tlle dominant trait of tJ:e roses ?Berdasarlcan Rajah 6, ngatakan sifat dominan buqa rLo;u)ar tersebft?

llmarlcl



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l3{c} State the genot;pe of offspringNgatalan gercfip bogi anak(t w:

tii) z:12 marlcsl

{d} What is the ratio of the number of red rose plants to the number of white roseplants?Bempakah nisbah bilangan anak polcok mawar merah lcepada bilangan anakpolcok m.awar pttih?ll markl

Diagram 7 shows ttre elements of P, Q, R and Sin an incomplete Periodic Table.Rajah 7 m.erannfulclcan unsur-unsur P,Q,R dan S di dalom Jadual Berlcala Aang tidaklenglwp.

Diagram 7Rajah 7How ttre elements in the Periodic Table are arranged?Bagaimanalca.h un sur-urrsur di dalam Jadual Berlcala di'sttst m?(a)

IL ma*l(b! (t What is the nu:nber of proton in element Q?Berapalrah bilangan proton dalamunxtr Q7

tii)

ll rnarl{Which element has the highest nucleon number?lJnsl,tr VarW mannlcah memryngai rwmbor nukleon gang palirq Wgt?

ll markl



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t4tc) Which element represents the transition element?Unsar manalcah m.ewakili ult sur peralihan?

{l markl{d) Which elements have similar chemical properties?Unsl,tr - unsur gang manakah memtrrunAai sifat kimia gang sama?

lL ma*l{e) Which element is metal?Unsur VaW m.anakah adalahlogam?

ll markj8 Diagrarn 8 shows a process to change latex into a suitable nrbber that can be usedto make tyres.Rajah 8 m.enunjulclcan satu proses unfitk menukarlcnn latelcs menjadi getahVang sesuai digurwkanuntuk m.embuat tagar.

P Substance addedBahanP ditambahLatexsLateks

ta) Na:ne the monomer for latex.Namakan ffr.onomer unhtk late lcs.

Sulphur is added andSulfur ditambah danSolid natural rubber Rubber YGetah asti pepejal Heated under high Getah YtemperatureDipanaskan di bawah*lattinggi

[1 mark]{b) Nnme substance P.Nqmakan bahnn P.

[1 mark]{c) (1) Nar'''e rubber Y.Namakan getnh Y.



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15Draw tlre molecular structure of rubber YLukis stralctur molelatl. bagi getahY.

[2 marl*ltd) State the funcdon of sulphur added to solid natural rubber.Ngatakanfungsi stWr garLg ditambahkepada getah asti pepejal.

{l markl{e} Mark ({ in the boxes provided the other products which are made fromrubber Y.Tanda {ll pada kotak Aang disedialcan bagi produk lain gang diperbuat daripadagetahY.

Industrial gloveSarung tartgan irdustriRubber bandGelang getahShoe soleTapak ka"s-ut ll markl

(ii)

nn[:]



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t6

Diagfaln 9 shows a schematic diagram of a radio transmission system.Rajah 9 menunjulelcan rajah slcema satu sistem pemnncar radio.Transmission aerialAqidl peqwtncctr

Diagram 9Rqjah 9Based on Diagram 9,Berda,sarlsn Raiah 9,{a) name components R using the following information'nsmalcan lcamporten R menggutufun maJclumat berihfi.

Oscilator ModulatorOsilatar ModulatarR: ..........narne the process occurs in component S.namakanproses Uang berlakt dalam lomponen S.

{2 marlcslWhat is the function of a microphone in the radio transmission system?Nyatalcan apatw.hfuttgsi milvofon dalam sistem pemarlcctrr radia t'ersebut?

ll markl(c) Name the t;pe of wave generated by component R.Namalcan jenis gelombang yang dijannlcan olehlcomponen R-

{i}(ii)

(b)

lL mo*l



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L7{d} What is the main electronic component in an amplifier?Apakah komponen eleldlpnik utama di dalam sebuah amplifier?

lL markl(e) What type of wave is tranamitted by transmission aerial?Mark ( "J ) your answer in Diagram 9.1.Apalcah jenis gelom.bang gang dipancarlcan oleh aerial pemancar?TandaJcan 1 I j jawapan anda dalam petak gang disedia,lean dalsm Raiah 9.1.

W. n/\/\Diagpm 9.1Rajah 9.1

lL markl



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18sEcrlox c{ 2O marl* I

AnswerQaostlon tQ and eith.er Question 11 orQuestlon 12Jautab Sodaa lO dansafltrradaSoalan lL atanSoalaa 1210 Study the following statement.Kaji p erng at aan b e rtfu tt.

Metals show different reactivity when it react with dilute acidI*gam merunnjukkan lceergasan Vqng berbeza apabila bertindalebalasdengan asid cair

(a) Suggest a hypothesis to investigate the above statement.Cadanglcan safii hipotesis untuk ntengia,sat perngataan di atas. [1 markl(b) Using magnesium powder, ?irtc powder, dilute hydrochloric acid and otherapparatus , describe an experiment to test your hypothesis in lO{a} based on thefollowing criteria:

Dengan menggunalean serbuk mngnesium" serbuk zinh a,sid hidroktorikcair dart radas lain, tanrailcan satu elcsperimenundtk menguji hipotesis andadi 1 0 (a) berdasarkan lviteria berilo,tt:0 Aim of the experimentfi$uan el


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1911 {a} Human activities sometimes cause undesirable effects to t}re environment.State trro human activities and explain their effects to the environment.

. Aktiuiti m.anusia lcol,arlglcala m.endatarqlcan ftr.san buruk terlwdap qlamsekitar.Nyatalwn daa aktiuiti marutsia dan teranglcan lcesannga terh.ad.ap alam sekitar.$ marltsl{b} Most factories in an industrial area release smoke and poisonoua gases aswaste product.The waste product produced will cause air pollution.Eaplain methods to overcome this problem.Kebangakan kilang di lwwason perindustian m.embebaslcan a.sap don ga,sberaqrn sebagai bahan buangan-BatfrrL buangan Aang dilwsillcan alcan m.engebablwn penremaranudara .Taarrylun lcaedoh unfitk mengatasi masalah ini.

Your answer should include the following aspects;Penerartgan artda lendaklah m.engandungi a,spek-a"spek berilatt;(i) Identi$ the problem Il marklKenal pasti masal"ah

{ii} Clarification of the problem ll marklPe4jelasan masalah(iii) Suggest four metJrods to solve the problem 14 marlcslCad,anglcan empat lcaedah unfitk meng elesaikan mas alah ini



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2A

t2 {a} State two dilferences between natural rubber and synthetic rubber.Oive one example of product made from each tlpe of the rubbers.Ngatakan dua perbeman antara getah asli dan getah sintetikBeri safit contoh prodttk gang diperhnt dari setiap jenis getah tersebut. [a rnarlc$

{b} Diagram 12 shows three types of products made of synthetic rubber.Rojah 12 m.erunjukkan tiga jenis produk gang diperhtat daripada getah sintetik

Soles of shoesTapakkasl,tt Tyre inner tubeTiub tagar

WetsuitsPakaian m.engelamDiagram 12Rajah 12



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2'!_

Study tl:e products in Diggram 12 and constnrc! the concept of s5mthetic rubber.Kaji produk-produk dalam Rajah 12 danbina lconsep getah sintetilf-Your answer should be based on tJre following aspects;Jautapan anda tenda,klah berdasarlcan aspek beilafi;(i) Identify twc common characteristicsKenal pa,sti dua eiri sepunya l2 marlcsl(ii) Give two other products made of synthetic mbberBeri dua mntoh produk lain AaxW diperbuat daipada getah sintetik

12 marlcsl{fi) Give one non-example of synthetic rubberBeri ssttr bulcan contoh getah sintetik. [lmark](iv) Relate the common characteristic to construct the concept of synthetic rubberHubungkaitkan cii septtngaunhtk mem.bina konsep getah sintetik ftmark|

pND Or QIttSTIOt{ PAPERKaNTAS SOALAN TAftTAT



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______________________________________________________________________________________

Marking Scheme Science SPM Trial Exam 2012

3

MARKING SCHEME ( PAPER 2 )

QuestNo

Marking Criteria Mark Marks

SECTION A

1 (a) + 0.1 cmNote:Measurement base on question paper

(b) 1. same size/height2. upright3. virtual4. distance of object from the mirror is the same as

the distance of image from the mirrorNote: Any one

(c) (i) AMBULANCE

(ii) laterally inverted

(d) periscope

1

1111

1

1

1

1

1

2

1

TOTAL 5

www.banksoalanspm.blogspot.com

http://www.banksoalanspm.blogspot.com/http://www.banksoalanspm.blogspot.com/


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4

QuestNo


2 (a) (i)

Note: 1. All points are transferred correctly 1m2. Smooth graph - 1m

(a)(ii) 4.7 + 0.1 (cm )

(Note: Answer base on students graph)

(b) 1. As the time increases, the height of doughincreases

2. If the time increases, so the height of doughincreases

3. The longer the time, the higher the height ofdough

Any one

(c) 5.0 (cm )

2

1

1

1

2

1

1

1

TOTAL 5

Height of dough/cmKetinggian doh/cm

Time/minuteMasa/min.




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______________________________________________________________________________________


5

QuestNo


3 (a) (i) Manipulated variable:1. Type of food2. Bread and groundnut

Any one

(ii) Constant variable:

1. Mass of food2. Volume of water

Any one

(b) Hypothesis:1. Different types of food have different calorific value2. Groundnut has the higher calorific value/higher

rise in temperature

3. Bread has the lower calorific value / lower

rise in temperature

(c) Define operationally:Calorific value is (the value) shown by the riseof water temperature

(d)

WatermelonTembikai

Cheese cakeKek keju

Cooked riceNasi

1

1

1

1

1

2

1

1

1

TOTAL 5




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______________________________________________________________________________________


6

QuestNo


4 (a)(i) 8 min

(ii) Observation:1. Stopwatch reading in Diagram 4.1 is less

compared to stopwatch reading in Diagram 4.2 //vice versa

2. Time taken in Diagram 4.1 is shorter compared totime taken in Diagram 4.2

3. Time taken in Diagram 4.1 is 4 minutes andTime taken in Diagram 4.2 is 8 minutes

(iii) Inference:Time taken for tin to stop swinging in Diagram 4.2 islonger because it has higher mass / inertia

(b) Responding variable:1. Inertia of tin2. time taken for tin to stop swingingAny one

(c) Define operationally:Inertia is shown by the time taken for tins to stopswinging.

1

1

1

1

1

3

1

1

TOTAL 5




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______________________________________________________________________________________


7

5 SECTION B(a) (i) X: pituitary (gland)

Y: Adrenal (gland)

(ii) 1. Increases the metabolic rate to overcomepressure

2. Speed up heartbeat and breathingAny one

(b) (i) thyroid (gland)

(ii) goiter

(c)

Note: 2 correct 1 mark

11

1

1

1

1

3

2

1

TOTAL 6

QuestNo


6 (a) (i) P : meiosis(ii) Q : fertilisation

(b) Red roses

(c) (i) W : Rr(ii) Z : rr

(d) 2:2//1: 1

11

1

11

1

2

1

2

1

TOTAL 6

7 (a) According to the number of protonsAccording to the proton number

Any one

(b)(i)11

(ii)T

(c) T

(d) P and S

(e) Q//T

1

1

1

1

1

1

1

2

1

1

1




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______________________________________________________________________________________


8

TOTAL 6

8 (a) isoprene

(b) ethanoic acid //formic acid// any acid

(c)(i) Vulcanised rubber

(ii)

(d) Sulphur atoms form cross-linkages betweenrubber polymers/molecules

(e) industrial glove and shoe soleNote: 2 correct - 1 mark

1

1

1

1

1

1

1

1

2

1

1

TOTAL 6

QuestNo


Cross-

linkagesSulphur

atom




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______________________________________________________________________________________


9

9 (a)(i) R : Oscillator

(ii) S : Modulation

(b)To change sound wave to audio wave/electricsignal

(c) Radio wave

(c)Transistor

(e)

11

1

1

1

1

2

1

1

1

1

TOTAL 6

10 SECTION C

(a) 1. Different metal shows different reactivity withdilute (hydrochloric) acid

2. Magnesium shows higher reactivity withdilute (hydrochloric) acid

3. Zinc shows lower reactivity with dilute(hydrochloric) acid

Any one(b)(i) To study the reactivity of metals with

dilute (hydrochloric) acid

(ii) Constant : Type of acid //Concentration/ volume ofacid//Mass of metal

Manipulated: Type of metal //magnesium powder and zincpowder

Responding : Reactivity of metal //Number of bubbles

(iii) magnesium powder, zinc powder, dilutehydrochloric acid, test tube

1

1

11

1

1

1

1

1

1

1

Max

1

Quest Marking Criteria Mark Marks




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______________________________________________________________________________________


10

No

10 (iv)

1 Prepare two test tubes A and B2. Pour dilute hydrochloric acid in test tube A and B

// diagram3. Put:(a) Magnesium powder in test tube A// diagram(b) Zinc powder in test tube B // diagram4. Observe the reactivity of the metals with dilute

hydrochloric acid (and record in table).

(v)

Type of metalJenis logam

Reactivity of metalKereaktifan logam

Magnesium

Zinc

(vi) Different metal shows different reactivity withdilute acid

1

1

1

1

3

1

TOTAL 10

Quest Marking Criteria Mark Marks

Magnesium

powder

DiluteHydrochloric

acid

zinc

powder




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______________________________________________________________________________________


11

No

11(a)

Human activities Effect to environment

1

Burning of fossil

fuels by vehicles andfactory machinery.

1. Acid rain2. Plant destroy3. Air pollution4. Greenhouse effect5. Global warmingNote : Any one

2

Uncontrolled use ofchemical substance /fertilizer / pesticides/ fungicides inagriculture.

1. Polluted water /lakes / rivers

2. Stimulatesexcessive growth ofalga

3. EutrophicationNote: Any one

3

Disposal of chemical

waste/ toxicsubstance /radioactive substanceinto waterways

1. Water pollution

2. Aquatic life destroy3. Thermal pollutionNote: Any one

4Use ofchlorofluorocarbon

1. Thinning2. Depletion of ozone

layerNote: Any one

5Disposal of non-biodegradablerubbish and sewage.

1. Landfill sites arefilled with garbage

2. Land pollution3. Contaminated water

4. Water pollutionNote: Any one

6 Deforestation

1. Soil erosion2. Flash floods3. LandslidesNote: Any one

Any two human activities and two effectsNote:1. One human activity 1 mark2. One correct effect - 1 mark3. Only effect given - 0 mark

2

2

2

2

2

24




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______________________________________________________________________________________


12

QuestNo


11(b) Identify of problem: Air pollution

Clarification of problem:

Most factories release smoke and poisonous gases.

Methods to solve the problem:1. Using a tall chimney2. Using a filter at the chimney3. Using an electrostatic precipitator / catalytic

converter.4. Using air cleaning system5. Law enforcement.

[Any four methods]

1

1

111

11

1

1

4

TOTAL 612(a)

Natural Rubber Synthetic Rubber

1 Low heat resistant High heat resistant

2 Easily oxidized Cannot be easily oxidized

3 More elastic Less elastic4 Higher ability to

absorb soundLow ability to absorbsound

Any two differencesExamples of each type of the rubber

Natural Rubber Synthetic Rubber1. Aeroplanes tyre2. Glove

1. Hoses2. Gaskets3. Wetsuits4. Rubber hose of a

bunsen buner5. Pharmaceutical

stoppers6. Petrol hoseNote any one

Any one example for each type of rubber

1

1

1

1

11

2

2




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13

QuestNo


12(b) Common characteristic:1. Resistance to heat2. Low ability to absorb sound3. Low ability to absorb vibration4. Less elasticNote : Any two common characteristics

Two other products:1. Gaskets2. Electrical insulation3. Rubber hose of the Bunsen burner4. Petrol hose5. Pharmaceutical stoppersNote : Any two relevant answers

One non-example1. Latex

Actual ConceptSynthetic rubber is a rubber/substance that isresistance to heat and has low ability to absorb soundNote :

1. Use any two characteristics mentioned in 12(b)(i)2. Follow the format of writing actual concept

1111

1111

1

1

1

2

2

1

1

TOTAL 10

END OF MARKING SCHEMESKEMA PEMARKAHAN TAMAT


Science Kedah 2012

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