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SULIT

LEMBAGA PEPERIKSAANMALAYSIAKEMBNTERIAN PELAJARAN MALAYSIAillillllllllllllllllllllLSllllSatu am lima belasminit

SIJIL PELAJARAN MALAYSIA 2OO7SCIENCEKertas LNov./Dis.rl iam

JANGAN BUKA KERTAS SOALAN INI SEHINGGADIBERITAHUl. Kertas soalan ini adalah dalam dwibahasa'2. Soalandalam bahasa nggeris menclahuluisoalanyang sepadandalam bahasaMelayu'

INFORMATION FOR CANDIDATESMAKLAMATUNTUKCALON

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SULIT1 Diagram 1 shows he impulsepathway in nervouscoordination.

Rajah I menunjukkan lintasan impuls dalamkoordinasisaraf.ImpulseImpuls

B BrainOtakD MuscleOtot

fR.-l;;-l l=Eir".t"-lI Gemkbalasl

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SULIT5 Which of the following pairs of nervouscoordination and hormone coordination iscorrectly matched?

Antara padanan koordinasi saraf dan koordinasihormonberikut,yang manakahbetul?

C

NervouscoordinationKoordinasisarafHormonecoordinationKoordinasi ormon

Long-term effectKesan angkapanjang

Short-term effectKesan angka pendek

Slow responseGerakbalas lambatImmediate responseGerak balas sertamerta

Consist of nervesTerdiri daripadasaraf

Consistof ductlessglandsTerdiri daripadakelenjar tanpaduktus

WidespreadtargetareaKawasansasaranyang luas

Limited target areaKawasansasaranterhad

Diagram 4 shows a cross breeding of two traitsof gardenpeas.

D

lSlUl7 Diagram 5 shows a type of cell division.

Rajah 5 menunjukkan ejenispembahagian el.Parentcell:Sel induk:

Gametesgamet:

Diagram5Rajah 5What is the chromosomecontent in P and in Q?ApakahkandungankromosomdalamP dan dalamQZ

P a22 +X 22+X22+X 22+Y44 +XX 44+XX44 +XX 44+XY

Diagram6showsaf lag.A studentcannot differentiate the colours of the

\6)ffi )a

t/CE-)P

CD

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SULIT9 Diagram 7 shows the arrangement of particleswhich undergo processX.

Rajah 7 menunjukkan usunanzarah yang melaluiproses X.

ProcessXProsesX

Diagram7Rajah7

lsllllDiagram 8 shows the nucleus of an atom.Rajah 8 menuniukkan ukleusbagi satuatom.

Diagram 8Rajah 8How many electronsare in this atom?Berapakahbilangan elektrondalam atom ini?A1B3C4D'I

l0

()ft

tt

\_/

tl

( )Key:Kekunci:! n o,o'O *"u,ron

What is processX?Apakahproses X?A BoilingPendidihanC SublimationPemejalwapan

MeltingPeleburanCondensationKondensasiD

11 Diagram 9 shows an incomplete Periodic Table.Rajahg menunjukkan adualBerkalayang tidak lengkap.

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SULIT12 Table 1 showsphysical properties of four elements.

Jadual I menunjukkan ifat izik bagi empatunsur.ElementsUnsur

PropertiesStfat

P Shiny surfacePermukaanberkilata Heat insulatorPenebathabaR Low tensile strengthKekuatanregangan rendahS DuctileMulur

Table IJadual IWhich of the elements n Table 1 are metals?Antara unsur dalam Jadual 1, yang manakahlogam?A PandQ B RandSP danQ RdanSC QandR D PandSQdazR PdanSTable 2 shows the observations obtained whenl3

L4lsllll

Diagram 10 shows the electroplating of an ironkey with copper.Rajah l0 menunjukkanpenyaduran kunci besidengankuprum.

CopperKuprum

What is solution X?Apakah larutan X?A Silver nitrateArgentumnitratC Copper sulphateKuprum sulfat

Iron keyKunci besiSolutionXLarutanX

Diagram 10Rajah 0

B Sodium chlorideNatrium kloridaD PotassiumhydroxideKalium hidroksida

15 Table 3 shows the advantagesand disadvantagesof a type of cell.Jadual 3 menunjukkankelebihandan kekuranganbagi sejenissel.

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SULIT16 Which of the l'followins is a radioactivesubstance?

Antara yang berikut,radioaktif?A Cobalr60Kobalt-6OC Oxygen-16Oksigen-16

yang manakah bahanB Carbon-12Karbon-72D Hydrogen-lHidrogen-l

17 Why are radioactive substanceskept in a thicklead box?Mengapakahbahan radioaktif disimpan di dalamkotakplumbum yang tebal?A To producenuclear fusionUntukmenghasilkan elakurannukearB To producenuclear fissionUntuk menghasilkan embelahannuklearC To prevent the emission of heat energy to the

environmentUntukmenghalang embebasanenagahaba kepersekitaranD To prevent radiation being released to theenvironmentUntuk menghalang sinaran terbebas kepersekitaran

18 Diagram 11 shows an image formed by a convexlens.

lSlUl19 Which of the following is an effect of light

dispersion?Antara yang berikut, yang manakah kesanpenyebaran ahaya?A The red skyKemerahan angitB The blue skyKebiruan langitC The formation of white lightPembentukan ahayaputihD The formation of a rainbow

Pembentukanelangi20 Diagram 12 shows he overlapping of two primary

colours of light.Rajah 12 menunjukkanpertindihan dua cahayaberwarnaprimer.

Blue light Green ightCahayabiru Cahayahijau

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SUTIT22 Why does a male peacock have colourful andattractive feathers?

Mengapaknhburungmerakantan mempunyai uluyang berwarna-warnidan menarik?A As protectionSebagaiperlindunganB For camouflageUntukpenyamaranC To attract a mateUntukmenarikpasanganD As a warning signSebagai andaamaran

23 A student wants to build a model of an aeroplanewhich is light and strong.Which of the followingsubstancess the most suitable to be used?Seorangmuri.d ngin membinamodelknpal terbangyapg ringan dan kuat.Antara bahanberikut,yangmanakahpaling sesuaidigunakan?A IronBesiC CopperKuprum

B SteelKeluliD DuraluminDuralumin

24 Which of the following is the effect of excessivedisposalof organic waste?Antarayang berikut,yangmrtnaknh e anpelupusansisaorganikyang berlebihan?rain

26

, l'llllWhat is the optimum temperature for the growthof the bacteria?Berapakahsuhuoptimabagipertumbuhanbakteriaitu?A O"CB 3O"Cc 35'CD 6O"CDiagram 14 shows the apparatusset-up for anexperiment.Rajah 14 menunjukkansusunanradas bagi satueksperimen.

Lime water turns chalkYAir kapurmenjadikeruhDiagram 14Rajah14

Glucosesolution+MicroorganismXlnrutan glukosa+Mikroorg.anisma

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SULIT . r28 Table 4 shows the calorific values of different classesof food.

Jadual4 menunjukkan ilai kalori bagi kelasmakananyang berbeza'Class of foodKelasmakanan

Calorific value (kJig)Nilai kalori (kJlg)

ProteinProtein16.1

CarbohydrateKarbohidratt6.1

FatLemak

31.6

Table4Jadual 4A piece of cake contains 5 g of protein, 10 g of carbohydrateand 3 g of fatCalculate the total calorific value of the cake'Sekeping ek mengandungi g protein, l0 g karbohidratdan 3 g lemak'Hitungumlahnilai kalorikek tu.A 3.9kJc 363.3 J

t'Ll.ll

P oDecompositionPenguraian

NitrificationPenitritanNitrificationPenitritan

DecompositionPenguraian

B 71.0 JD I 2'78.0 J

29 Dbficiency of which class of food causeskwashiorkor?Kekurangan kelas makanan yang manakahmenyebabkan penyakit louasyio kor ?A FatLemak

B VitaminVitamin

A

B

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SULIT32 Which of the following gases contributes to thedepletion of the ozone layer?

Antara gas berikut, yang manakah menyumbangkepadapenipisan apisanozon?A Nitrogen oxideNitrogen oksidaB Sulphur dioxideSulfur dioksidaC Carbon dioxideKarbon dioksidaD Chlorofluorocarbon (CFC)

Kl o ofl uo okarbon (CFC)33 Which is the best practice of environmentalconservation?

Apakah amalan yang terbaik untukpemuliharaanalam sekitar?A Using bacteria to threat sewage- Menggunakan bakteria untuk merawatkumbahanB Using pesticide to destroYPestMenggunakan pestisi.d untuk memusnahkanmakhlukperosakC Storing industrial waste in a tightly closedcontainerMenyimpan bahan buangan industri dalambekasyang tertutuP aPatD Collecting and burning rubbish

35l'llll

Which of the following oils is rich in saturatedfat?Antara minyakberikut,yangmanakahkayadenganlemnk epu?A GheeMinyak sapiB Palm oilMinyak sawitC Olive oilMinyak zaitunD Corn oil

Minyak agung

Which of the follqwing substancess containedin palm oil?Antara bahanberikut,yang manakah erkandungdidalam minyaksawit?A EthanolEtanolB Vitamin CVitaminCC CholesterolKolesterolD Beta-carotene

Beta-karotena

36

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SULIT38 Which of the following solutions can coagulatelatex?

Antara bahan berikut, yang manakah bolehmenggumpalkanateks?A SulphurSulJurB AmmoniaAmmoniaC Acetic acidAsid asetikD Sodium chloride

Natrium klorida39 Which of the following sequencess correct forthe four stroke petrol engine?

Antara urutan berikut, yang manakahbetul bagienjinpetrol empat eiang?A Intake stroke --> Compression stroke ->Exhaust stroke -> Power strokeLejang pengambilan -+ Lejang mampatan -+Lejang ekzos + Lejang kuasa

B Intake stroke-+ Power stroke-+ Compressionstroke -+ Exhaust strokeLejangpengambilan-+ Lejang kuasa-+ Leiangmampatan-+ I'ejang ekzosC Power stroke -> Compression stroke -+Intake stroke -+ Exhaust strokeLejang kuasa -+ Leiang mampatan -+ Leiang

l'llllWhat is the speedof the car in the 2 seconds?I nistance IlSPeed= ttrrr" JBerapakah aju kereta tu dalam masa2 saat?I Jarak 1l l t t iu = - l Masa I

4l Diagram 17 shows a trolley moving with aveloci tyof2ms- ' .Rajah l7 menunjukkansebuah, roli yang sedangbergerakdenganhalaiu 2 m s-'.

Direction ofmovementArahpergerakan

Diagram 17Rajah 7What is the momentum of the trolley?[Momentum = Mass x VelocitY]Berapakahmomentumoli tersebut?fMomentum= Jisim x Halajul

A 0.4 m s-1C 3.0 m s-r

A 3kgms-r

B 2.5 m s-1D 10.0m s-r

B lkgms-lD 0.5 kg m s-r

Mass= 1 kgtlisim = | kg

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SULIT43 Diagram 19 shows

Bemoulli's principle.Rajah 19 menunjukkanprinsip Bernoulli.

an experiment to showsatu eksperimenmengenai

Water -- - - - - Ai rDiagram 19Rajah 19

Which of the following water levels P, Q and Rare corTect?Antara aras airP, QdanP. berikut,yang manakahbetul?A Airf lowH

l:-1fi:i:tt---:-*-Ln-Aliranudara

44l'llll

Which of the following substances s used toavoid bacterial growth in food?Antara bahan berikut, yang manakah digunakanuntuk menghalang ertumbuhanbakteria di dalammakanan?A StabilizerPenstabil

EmulsifierPengemulsiFlavouringBahanperisaPreservativeBahan awet

20 shows labels on a chocolate barD

D45 Diagram

wrapper.

ABC

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SULIT46 Which of the following pairs of monomer andpolymer is correctly matched?

Antara padanan monomer dan polimer berikut,yang manakahbetul?MonomerMonomer PolymerPolimerProteinProtein Amino acidAsid aminoIsopreneIsoprena Natural rubberGetah asliPolythenePolitena EtheneEtenaCarbohydrateKarbohidrat GlucoseGlukosa

Diagram 21 shows the structure of a type ofplastic.Rajah 2l menunjukkan truktur sejenisplastik.

CrosslinkageRangkaisilang

A

B

cD

47

48l'llll

Diagram 22 shows a graph of displacementagainstdistance of a wave.Which of the following A, B, C or D representsthe wavelength of the wave?Rajah22 menunjukkan raf sesaranmelawanarakbagi suatugelombang.Antara A, B, C dan D, yang manakahmewakilipanjang gelombangbagi gelombang tu?DisplacementSesaran

Diagram22Rajah 22Which of the following electronic componentsallows current to flow in one direction only?Antara komponen lektronikberikut,yangmanakahmembenarkanarus mengalir dalam satu arah

49

sahaja?A B

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N MALAYSIA 2OO72C 3D 4A 5C78 8C 9C 1OBl2D 13A 14C 158r7D 18B 19D 20822C 23D 24D 2sC27A 28C 29C 30A

32D 33A 34B 35A37A 38C 39D 40B42C 438 44D 45A47D 48A 49C 508

IB6A11 B16A21 B26A31 B36D41, C468

KBRTAS 1