Kelantan Spm 2009 Science Paper 1

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I 511/1

SULIT Sains Kertas I September

Nama Pelajar : Tinskatan

:

2009 I t/o jam

JABATAN PELAJARAN KELANTAN DENGANKERIASAMA PERSIDANGAN KEBANGSAAN PENGETUA-PEN GT]TUA SEKOLAH MENENGAH MALAYSIA CAWANGAN KELANTAN

PEPERIKSAAN PERCUBAAN SIJIL PELAJARAN MALAYSIA 2OO9 SAINS KERTAS1 Masa: SatuJamLima BelasMinit JANGAN BUKAKERTAS SOALAN INI SEHINGGA DIBERITAHU Arahan: 1.

dalamdwibahasa' ini adalah Kertassoalan

2.

Melayu' dalamBahasa soalanyangsepadan SoalandalamBahasaInggcrismendahului

3.

terakhir. untukcalondi halaman maklumat membaca Calondikehendaki

Kertassoalanini mengandwgi2Thalamanbercetak'

I Lihat Sebelah SULIT

( 2\

SULIT l.

1511/l

Diagram1 showsa motorneurone. Whichof thepartsA, B, C or D helpsto speedup impulsetransmission? neuronmotor. RajahI menunjukkan Anlara bahagianA, B, C dan D yang manakahmembantumempcrcepatkan pengh(tntaranimpuls?

DiagramI Rajah )

2.

Flow chartshowsan impulsepathwayin nervouscoordination Carta alir menuniukkanlaluan impul.sdalamkoordinasisqraf

t-1,*u4 r--\ llt ------v | '^ Rungsungun I

|

r=

|

r-1

------V

Ccntral Nervoussyslem Sislemsaruf puscrl

f N.'.*l Neuron I

I

,l

\-/

\,2

tG;Neuron I

I

-\ N-t\ | | | ) t| Y t | '----------1/

-\ | , '--------1/

Response Gerakbalas

Whatis X and Y? Apatuh X dan Y?

X

Y

Impulse Impuls

Synapse Sinaps

Synapse Sinaps

Impulse Impuls

C

Receptor Reseptor

Effector EJbktor

D

Effector Efektor

Receptor Reseptor

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Diagram2 showsa daily humanactivity. Rajah2 menunjukkan satuaktiviti harianntqnusia.

Which of the following is the corrcctflow char1ref-erringto that activity? Carta alir yang munaluh belul merujuk keltadaqktiviti ter.sebut? A

Receptor) Brain ) Effcctor Reseptor) Otek ) Efektor Receptor) Spinalcord ) Efl'ector Reseptor) Sarc('tunjang ) E/bktor

A

C

Strecthreceptor) Brain) Ilff'ector Reseptorregang ) Otak ) Efektor

D

Strecthreceptor) Spinalcord ) Eff'ector Reseptorregong ) SaraJ'tunjang) efektor

Diagram3 showsa cerebrum. serehrum Raiah3 ntenuniukkan

Diagram3 Rajah3 Whatis the functionof partP? Apakahfungsi bahagianP? Taste Rasa

B

Vision Penglihatan

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SULIT Voluntary movement Pergerakan terkswal

D

Thinking and memory Pemikirqn dan ingutan

Diagram4 showsa pair of chromosome. kromosom sepasqng Rajah4 menunjukkan

Diagram4 Rajah4 Whatis R? ApakahR?

6.

A

Centriole Sentriol

B

Chromatid Kromalid

C

Centromere Sentromer

D

Spindle-hbre Gelendung

"A curly hair gene is overrulesa straighthair gene" "Gen rambut kerinting mengatasigen rambut lurus" Which of the following terms is referi;g to the curly hair characteristic? Istilah yang manakah merujuk kepadaciri rumbut kerinling? A

Dominant trait Sifal dominant

B

Recessivetrait Sifat resesif

C

Dominant gene Gen dominant

D

Recessivegene Gen resesif

(2009).SAINSKERTAS1 SPN,4 PERCUBAAN

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(s)

SULIT

andits genetic disease matchbetween Whichof thefollowingis thecorrect characteristics? Paclananyang manakah betul tentangpenyakit genelik dan ciri-cirinya? Characteristic Ciri-cirinYa

Geneticdisease Penyakit genetik A

Hemophilia HemoJilia

Blood take a long tinte to clot Darah lambqt mentbekt'

BColourblindnessNocolourintheirskin,hairoreyes. Kehilangan u)arnapada kulit, rambul tlan mata Buta warna

g.

C

Albinism Albinisme

Red blood cell disorderresultinganaemia Kececatansel daroh merah menyebabkananemia

D

l'halassaemia Thalctsentia

Cannot diff-erentiatebetween red and greencolour T'idakdapat membezakanwarna meruh dan hijau

groups A teachermeasuresthe height of 50 studentsin a classand divides them into 5 basedon their height. Which of the following is the besttableto show the result? Seorangguru mengukir keringgian50 orang pelaiar lingkatan 5 dan menempulkan mereka kcpada 5 kumpulun mengikut ketinggian' Jadual yang manakahpaling baik menunjukkankeputusunnyaz

A

Group Kumpulan I

2

3 L+

Height(cm) Ketinssian(cm) 4l 145 46- 150 5l - 155

Numberof students Bilancanpelaiar 16 11

5 6- r 6 0

8 5

6l

B

Group Kumpulan I

2 3 4

5

'1 SPM(2009)- SAINSKERTAS PERCUBAAN

t65

60

Numberof students Bilunganpelaiar l5 9 6 8

65

12

Height(cm) Kctinggian(cm)

4t- 45 465l 566 1-

t0

50 55

I Lihat Sebelah SULIT

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Group Kumoulan 2 a J

4 5

D

Group Kumpulan I

Height(cm) Ketinggian(cm) A1 45 +o- 50 5l - 55 5 6 - 60 61 6 5

Numberof students Bilunsanpelaiqr

Height(cm) Kelingsien(cm)

Number of students Bilqnsen peluiar

2 3 A a

5

9.

1 5 1r / 1

(6)

SULIT

o

8 10

t2 l+

5 l0 l6

1 4 1 t45 146-150 1 5 1* 1 5 5 1 5 6- 1 6 0 16r 1 6 5

t2 7

Diagram 5 shows the changestatesof matter ' Rajah 5 menuniukkanperubahan keadaan.iirim

o o oo

--*-)>

oo% @

occP

Diagram5 Rajah5 which of thefollowingexplaintheparticleat theendof theprocess? kead7anzarahdi akhir proseslersebul'l Manqkahantaraberiiut menerangkan A

Particlesmoveslower Zarah berger ak Perlahan

B

Particleshavea biggersize Zarah mempunYaisctizYangbesar

C

Particleshavea weakerforce Zorah mempunyaidayatariknnyang lemah

D

Particlescontaina higherenergycontent Zarah mempttnyaikandungantenagayang tinggi

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Diagram6 showstheparticlesin an atom. zarah-zurahdalamsatuqlom. Rajah6 menunjukkan

Diagram6 Raiuh 6 What are particles P ? Apakah zarah P ? Proton Prolon Electron Elektron Neutron Neutron

I

D

I l.

Nucleus Nukleus

of particlesin a substance. DiagramTshowsthe arrangement zarqhdalamsuatubahan. Rajah7 menunjukkan.\ItsunQn

Diagram7 Rajah 7 Which of the followingis correct? Manakahantars berikutyang betul? conductelectricity This substance Bahan ini mengalirkanarus elektrik haslow boilingpoint The substance Bahanitu mempunyaitak(ttdidih yang rendah

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12.

C

act aselectrolytein electrolysis The substance Bahantersebutmerupakanelektrolitdalamelektrolisis

D

the strttctureof metal. The particlesshownrepresent Zarahyang dilunjukkanmewakilisusunanlogam

Which methodis usedto producesaltfrom a saltsolution? Kaedahyang manakuhdigunakanuntukmenghasilkangaram daripada larutan garam? A

Distillation Penyulingun Condensation Kondensasi

13.

t4.

C

Crystallisation Penghabluran

D

Fractional distillation Penyulingan berperingkat

Which of the statementis relatedto the chemical change? Pernyalaanyang manakah berkoitan denganperubahan kimiq? A

The changeis reversible P erubahan udalah berbal i k

B

Substancesare only alteredphysically Bahan hanya mengalamiperubuhan secarofizikal

C

The chemical charactcristicsis unchanged Ciri-ciri kimia bqhan tidak berubah

D

Produce new substanccsfrom original substances Menghasilkan bahan baru daripada bahan crsal

Diagram 8 showsthe electrolysiscell. Raiah 8 menunjukkansatu sel elektrolisis.

Carbon Karbon M

Cqr

Karbon Diagram8 Rajah8

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Whatis M? Apakah M?

15.

A

Anode Anod

B

Cathode Katod

C

Dry cell Selkering

D

Electrolyte Elektrolit

betweenX oxidesandY oxideswith carbon. Theword equationshowsthe reactions Persamaanperkataanmenunjukktntindakbalasqntqra oksidalogamX dan ok';ida logam Y dengankarbon. X oxides * Carbon -+ Metal X + Carbon dioxides Y oxides * Carbon --- No reactions Which of the following list showsthereactivityseriesof carbon,metalX andmetalY in descending order? Yangmanaqntarq senaraiberikutmenunjukkansiri kereaktifunbagi karbon,logamX dan logam Y dalam susunanmenurun? A

Metal X, metalY, carbon LogamX, Iogam Y, korbon

B

Metal Y, carbon,metalX Logam Y, karbon,logamX

C

MetalX, carbon,metalY LogamX, karbon,logam Y

D

Carbon,metalY, metalX Karbon, logam Y, logamX

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Diagram9 showsa processinvolvedin a greenplant. Rajah9 menunjukkansatuprosesyang berlakudalam tumbuhanhiiau.

rl,, - l

/Y \

Sunlight Cahayamatahari

Water Air Diagram9 Rajah 9 areneededin the aboveprocess? Whichof the followingsubstances yang manakoh diperlukanuntukprosesdiatas? Antara bahanberikut

17.

A

Nitrogen Nitrogen

B

Oxygen Oluigen

C

Carbondioxide Karbon dioksida

D

Sulphurdioxide Sulfur diolcida

Diagram l0 showsthe penetratingpower of radioactiveradiations. sinarqnradioaktif Rajah I0 menunjukkankuasapenembusan Papcr

Aluminium lltrn ittrttnt

Lead Pltrmhrnr

'l ffi',=".j::::::-::::-? r( ..l:/ir,r

I

Suntber radionktil'

Diagraml0 RajahI0 What is the radiationQ? Apakahsinaran Q? A

X-ray Sinaranx

B

Alpha ray Sinaranalfa

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Beta ray Sinaran beta

D

Gammaray Sinarangamma

gaspipes' Diagraml1 shows the underground tanah' gas bawah paip naiih t t menunjukknn

Diagram11 Rajah I I is the mostsuitableto detectthe damage? Which radioisotope Radioisotopmanakahyangpatingsesuaidigunaknnuntukmengesankerosakanini?

19.

A

Sodium-24 Natrium-24

B

Carbon-14 Karbon-14

C

Uranium-235 Uranium-235

D

PhosPhorus-32 Fosforus- 32

of imagetbrmedby a concavelens? which of the following is the characteristic imei Manakahctntaraberi[utpembentukan olehkantacckung? A

Real Nyata Inverted Terbalik

C

Smaller Lebihkecil

D

InversedlaterallY Songsangsisi

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lsllil

to redlight? morecompared Whydoesthebluelightis scattrered Mengapakahcahayabiru lebih terserakberbandingdengancahayamerah?

2t.

A

The red light hasa lower velocity Cahayamerah mempunyaihalajuyang lebih rendah

B

The blue light hashighervelocity Cahayabiru mempunyaihalajuyang lebih tinggi

C

The red light hasa lower frequency Cahayamerahmempunyai frekuensiyang lebih rendah

D

The blue light hasa shorterwavelength jarak gelombangyang pendek Cahayabiru mempunyai

Diagraml2 showswhite light passingthroughtwo colouredfilters. Rajah I 2 menunjukkancahayapulih menerusiduapenapiswQrna. Yellow filter Penapis kuning

Redfilter Pe

White screen Skrinputih

Diagraml2 RajahI2 Whatcolouredlight is formedon thewhitescreen? Apakahwarna cahayayang terbentukke atas slrrinpulih? A

Red Merah

B

Green Hiiau

C

Black Hitam

D

Yellow Kuning

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Diagraml3 showsthe overlappingof threecolouredpigments' pertindihantiga pigmen warna' Rajah l3 menuniukkan

Diagraml3 RaiahI3 What is the colour of K? Apakahwarna K? A

Cyan Sian

B

Black Hitam

C

Green Hiiau

D

White Putih

Diagram14 showsthe atomsstructureof bronze' Rajah I4 menunjukkansusunanatom bagi gangsa

Diagram14 Rajah14 What is atom P and Q? Apakahatom P dan Q2

SPM{2009)- SAINSKERTAS1 PERCUBAAN

I L i h a t Sebelah SULIT

P

24.

15ll/l

(14)

SULIT

a

A

Copper Kuprum

Zit'tc Zink

B

Copper Kuprum

Nickel Nikel

C

Tin Timah

Copper Kuprum

D

Copper Kuprum

Iron Besi

The word equationshowsthe reactionto produceammoniumsaltfertilizer' sejenis tintJakbalasuntukmenghasilktrn pcrkataancti bawahmerutniukkan I>er,samcran baiq ammonia' acid - ammoniumsulphate Ammonia+ sulphr.rric ' ammoniunt sulfat + suffitrik asid Ammonia what is the fertiliz()rsproduceif sulphuricacidis rcplaceby nitric acid? Apakahbaja yung teriasil.iika asid sulfurik cligantikandenganasid nitrik?

25.

A

Ammoniumnitrate Ammoniumnitral

B

Amrrroniumchloride Ammoniumkloridr

C

AmmoniumPhosPhate Ammonium.fosfat

l)

Amrnoniumcarbonate Ammoniumkarbonat

TableI showsthe numberof motorvehicles,factorics,openburningactivitiesand bronchitispatientsin town Y from years2001to 2003' Jadual I menunjt&kanbilangankenderasnbermolor,kilang, aktiviti pembakaran terbukadanpeiakit bronkitii di bandarY dari tahun2001 hingga2003.

2001 Year Numberof motor vehicles( thousands ) 87 Bilansan kenderaanbermotor(ribu ) Numberof factories 25 Bilanpankilant! Numberof openburningactivities 20 Bilansan aktivit i pembakaran terbuka Numberof bronchitispatients 75 Rilonsan nesakit br onkitis TableI Jadual I

PERCUBMNSPM (2009).SAINSKERTAS1

2002

2003

9B

n7

41

57

34

46

I l5

t93

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l5lli l

Which methodcan reducethe numberof bronchitispatients? bilanganpesakit bronkitis? Kaedahyang manakah bolehmengurangkan

26.

A

Increasethe numberof factories Meningkatkan bilangankilang

B

the bronchitispatients Quarantine Kuarantinkanpesakil bronkitis

C

Practisethe openburningactivities Mengamalkan akitiviti pembakarantcrbuka

D

Decrease thenumberof motorvehicles MengurangkanbilangankenderaanL"rmotor

Diagraml5 showsthe typesof microorgants Rajah I 5 menunj ukkanj enis-jenis mikroor gart,..

q W -"fr',.<34

il\(/:/_g

E\ \lr;,r

Kh' I

"!P G-"n o

M

Diagram l5 Rajah l5 Which is correctly representthc typc of microorganismsfor M, N, O and P? Manakah betul mewakili jenis mikroorganisma !t'!. N, O, dan P ? N

o

P

Fungr.rs Fungi

Bacteria Bakteria

Virus Virus

Protozoa Protozoa

Algae Alga

Fungus Fungi

Bacteria Bakteriq

Virus Virus

C

Fungus Fungi

Virus Virus

Bacteria IJskl:ria

Algae Alga

D

Protozoa Protozoq

Algae Alga

Virus Virus

Bacteria Bakteria

M

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lsllil

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Diagram16 showsan experimentto studythe growthof bacteriaat room temperature' untukmengkajipertumhuhctnbakteriapada suhu naiilt lO menunjukkanelrsperimen bilik.

Cotton plug

Nutrientbroth + culture Bacteria

Distilledwater + culture Bacteria

Diagram16 Rajahl6 Which factoris studiedin this experiment? Apakahfaktoryang dikaji dttlamekrperimenini ?

28.

A

Light Cahaya

B

Nutrient Nutrien

C

pH Value Nilai pH

D

Temperature Suhu

Whichof the following productsinvolvethe actionof bacteria? Antaraprorluk yang itiittut, manakahyong melibatkantindekanbskteria 2 A

Beer Bir

B

Bread Roti

C

Yogurt Dadih

D

Soy sauce SosKacangSoYa

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I L i h a t Sebelah SULIT

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SULIT 29.

30.

t 5il/l

A few studentsin the hostelsareinfectedby ringworms. Whatis the mosteffectivemethodmustbe takenby otherstudentsto avoid infection? Beberapaorangpelajar di asrametelah mengidappenyakitkurap. Apakahkaedahyangpaling efektifperlu diambil olehpelajar lain untuk mengelakkan dari dijangkiti ? A

Vaccination Pemvaktinan

B

Sterilization Pensterilan

C

Vectorcontrol Kqwalan vektor

D

Personal hygiene Kebersihundiri

Whichof thefbllowingis a macronutrient? Mqnakah anl ar(r ber i kut mer w)akanmakronulr i en? Iron Besi

31.

B

Copper Kuprum

C

Potassium Kalium

D

Manganese Mangan

Which processcan decreasethe concentrationof nitrates in the soil? Prosesyang manakah oleh mengurangkan kepekatun mtr.t dalam tanah?

Nitrification Penitritan Denitrification Pendenitrcttan C

Decomposition Perepulctn

D

Nitrogenfixation Pengikatannitrogen

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SULIT

l5l l/1

Diagram 17 showsthe root of a plant. akar bagi satutumbuhan. Rajahl7 menunjukkan

Root nodule Nodul akar

Diagraml7 Rajah17 Namethe plantthat has this root system. m akar sebegini. Namakantumbuhanyang mempunyaisiste Maize plant Pokokjagung Jackfruitplant Pokoknangka Hibiscusplant Pokokbungaraya

D

JJ.

Groundnutplant Pokokkucangtanah

Diagram18 showsthe experimentto studythecffectsof nutrientson the plantgrowth' Rajah t8 menunjukkanradas eksperimenuntukmengkajikesankekurangannutrien ke atas pertumbuhan pokok

culturesolutionwithoutnitrogen larulurtkulturIattpunilntgetr Diagraml8 RajahI8 Whatcanbe observedto the plantgrowth aftera few days? Apakahyang cliperhatikanpada pertumbuhanpokok selepasbeberapahari? A

Fewerflower andfruits Bungadan buahsedikit

B

PlantdiesbeforematuritY Pokokmati sebelummatang

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SULIT

34.

I 5l 1/l

C

Smallandyellowishleaves Daun kekuningandan kecil

D

Plantstakelongertime to mature Pokokmengambilmasayang lama untukmatang

Table2 showsthe calorificvaluesfor threeclasses of food. Jadual 2 menunjukknnnilai ktrori untuktiga kumpuranmakanan

Classof food Kumpulan makanan

Fats Lemak Proteins Protein Carbohydrates Kqrbohidrat

Calorific value Nilai kalori

(kJe-') 37.6

22.2 t6.7

Table2 Jedual2 A breadweights300 g contains5.0g fats,20 g proteinsand200 g carbohydrates: What is total energycontainedin bread? sebukuroti seberat300 g yang mengandungi5.0g lemak,20 g protein dan 200g ksrbohidrat. Berapakahjumlahtenagayang terkandungdi dalamroti tersebut.

35'

A

76,5

B

525

c

601.5

D

3972

what is the functionof denitrifyingbacteriain the nitrogencycle? Apakahfungsi bakteri o p endenitr i tqn dalam kitar ni tr ogen? A

Convertnitratecompounds into nitrate Menukarkansebatiannitrat kepadanitrat

B

Convertammoniumcompounds into nitrate Menukarkansebatianammoniumkepadanitrat

C

Convertnitrogengasinto nitratecompounds Menukorkangas nitrogenkepadasebatiannitrat

D

Convertsnitratein soil into nitrogenin the atmosphere Menukqrkannitret dalamtanahkepadanitrogendi atmosfera

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SULIT 36.

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Diagram l9 shows one of human activities. Rajah 19 menuniukkansatu lktiviti manusia

Diaeram19

niiattto Which pollutantis releasedin theactivity? oleh aktiviti ini/ Bahanpencemarmanakahyang dibebaskan

37.

38.

A

Lead Plumbum

B

Carbondioxide Karbon dioksida

C

Chlorofluorocarbon Kloro/luorokarbon

D

Nitrogenousfertilizer Baja nitrogen

Which of the followingcanpreserveour environment? persekitarankitq ? Manakth antaraberikutmemelihara A

Mining Perlombongan

B

Reforestation Tqnamsemuluhutan

C

HousingdeveloPment Pembangunan Perumahan

D

of naturalresources Impropermanagement jadi yang lidak betul semula sumber Pengurusan

is a hydrocarbon? Which substance Bshan yang manakahmerupakanhidrokurbon? A

Ester Ester

B

Petrol Petrol

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39,

40.

41.

C

Alcohol Alkohol

D

Carboxylicacid Asid karboksilik

I 5 1 1/ l

Which strokedoesthe mixtureof fuel andair is compressed? campuranminyakdan udara? Leiangyang manakahmemampatkan A

Power Kuastt

B

Exhaust Ekzos

C

Induction Pengambilan

D

ComPression MamPctlun

the soapfrom the solution? addedto separate Whatis the substance sabundbri larutan? Apakahbahanyong di tambahuntukmengctsingkan A

Fat Lemsk

B

Glycerol Gliserol

C

Sodiurnchloride Sodiumklorida

D

SodiumhYdroxide Sodiumhidrlksidq

Whal Ali likesto eatfoodsthat are fried with coconutoil andhe alsolikes to eatmeat. risk might aff'ecthim? minyakkelapa Ali gemarmengambilmakananyang digorengdenganm.enggunakan Ali? oleh dialami yang mungkin risiko apakah sertamemakandaginglenthu, A

Stomachulcers Ulserperut

B

Cirrhosisof theliver Sirosispada hati

C

Bloodglucoselevelto rise Aras gula dalamdarahakanmeningkat

D

The lumensizeof arteriesto decrease Saizlumenarteri akansemakinkecil

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SULIT 42.

43.

I 5 11 / 1

Which of these substancescan replaceethanoicacids in the proces of latex coagulation? Antarq bahan berikut yang mana-kahboteh menggantikanasid dalctmproses pembekuan lateks? A

Ethanol Etanol

B

Limejuice Jus limau Purul

C

Salt solution Larulan garam

D

Copper(ll) sulPhatesolution Lerutan kuPrum(ll) sulfat

A man driving a car at velocity 70 kmh-r will have stepon the brake pedal because patternof thereis a traffic jam on the road. Which is the following diagramshowsthe taPe? the dots printed on the ticker Seorang lelaki memanclukereta denganhnluiu 70 kmj't ctkanmula menekanbrek keranq kesesakandi jalanraYa. Mctnakahraiah menunjukkancorak litik-titik t)i atas pita detik?

Direction ot'movement Arah pergerakan

Directionof movement Arah pergerakan

C

Direction of movement Arah pergerakan

D Directionof movement Arahpergerakan

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I Lihat Sebelah SULIT

1 5 1l / r

(23)

STILIT 44.

Which of the following anangementexertedmaximum pressure? Manakah antarq kedudukan berikut mengenakan tekanan maksimum2

A

V D

A

1-----\

45,

Diagram20 showsa Bernoullitube. tiub Bernoulli Rajah20 menunjukkan

Watersflows in Air masuk

Watersflows out Air keluur Diagram 20 Rajah 20

What will happen when water is flow through it? Apa yang akan berlaku apabila air mengalir? Pressureat areaM is high T'ekanqndi kawesan M adalah tinggi

B

Water level in tube R is high Aras air di kawasan R adalah tinggi

C

Pressureat area L and N are high Tekanan di kawasun L dan adalah tinggi

D

Velocity of water at areaN is higher than velocity water at area M Halaju air di kawasun N adalah lebih tinggi daripada halaiu air di kawasan M

(2009).SAINSKERTAS'1 SPI\,,1 PERCUBAAN

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46.

47.

lsll/l

(24)

su rT

plastic? andthermosetting Whatis the correctcomparisonbetweenthermoplastics plastik termoset'/ Manakah perbandinganyang betultentangtermoplastikdan Thermoplastics Termoplastik

Thermosettinqplastic Pla'stik termoset

A

Soft Lembut

Hard Kerss

B

Resistantto heat Tahan heba

Can be repeatedlymelted Boleh dilebur berulang kali

C

Easily attackedby organicsolvents Mudah dirosakkan oleh pelarut organik

With standsolvents Tahun pelarul

D

Long thin chainsof linearmoleculer Rantai molekul yang panjang dan lurus

Cross-linkedmolecules Molekul herangkai ,silcrng

Diagram 21 showsan equationof chemicalreaction. Rajah 2l menuniukkanpersamaan bagi satu perubahqn kimia

Process X ProsesX Methyl metacrylate Melil metakrilat

Perspex Proccss Y Proses Y

Perspeks

D i a g r a m2 l Rajah 2l

X andY? Whatis process ApakahprosesX dan Y ?

X

Y

A

Polymerization Pempolimeran

Depolymerization Penyahpolimeran

B

Polymerization Pempolimeran

Combustion Pembakaran

C

Depolymerization Penyahpolimeran

Polyrrerization Pempolimeran

D

Depolymerization Penvuhoolimeran

Combustion Pembakaran

SPM(2009).SAINSKERTAS1 PERCUBAAN

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( 2 s)

su rT 48.

l sll/1

Diagram 22 shows a processin the radio wave transmissionstation. Rajah 22 menunjukkunproses yang dilqkukan dalam stesenpemancar gelombang radio.

1 /-*t/U\f''J \/\/\l. Diagram22 Rajah 22 Where is this processhaPPen? Dimanakah proscs ini berlaku?

49.

A

Oscillator Pengayun elektrik

B

Modulator Modulqtor

C

Detector Pengesan

'J

Amplifier AmpliJier

What is the frequency of the rr''\'e? Apakah Jr ekuensi sesualu geI ombung? A

Highestpoint of the waves Titik tertinggi sesuatugelombung

B

Distance betweentwo successivepeak Jarak ant(tra cluaPuncak

C

Number of completeoscillationsin one second Bilangan ayunon lengkap dalqm satu saat

D

Distance between the rest position and its peak Jurqk antara keadaanrehat kepadapuncak

PERCUBAAN SPM{2009).SAINSKERTAS1

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I 511/1

(26)

SULIT 50.

Diagram 23 below shows a satellitecomunication system' Raiah 23 menunjukkan si.stemkomunikasisatelit'

(--',

'\

t

i\r\\ \\-

tttt

rttrl(

\\\ll\ X

/+_ /, r----r) .

X

/)

//i /./t

x-J/ r/

.J ,/,

Diagram23 Rajah23 What is wave X? Apakah gelombang X ? A

Long waves Gelomhangpanjang

B

Short waves Gelombangpendek

C

Microwaves Gelombang mikro

D

Medium waves Gelombang sederhana

P E R C U B M NS P M( 2 0 0 9 ) -S A I N SK E R T A S1

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