SC PAPER 1 trial exams 2007

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1511/1 Sains Kertas 1 September 2007 1 ¼ jam PERSIDANGAN KEBANGSAAN PENGETUA-PENGETUA SEKOLAH MENENGAH NEGERI KEDAH DARUL AMAN PEPERIKSAAN PERCUBAAN SPM 2007 SAINS Kertas 1 Satu jam lima belas minit JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU 1. Kertas soalan ini adalah dalam dwibahasa. 2. Setiap soalan dimulai dengan soalan Bahasa Inggeris dan diikuti dengan terjemahannya dalam Bahasa Melayu. INFORMATION FOR CANDIDATES 1 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 If you wish to change your answer, erase the blackened mark that you have made. Then blacken 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 CALON 1. Kertas soalan ini mengandungi 50 soalan. 1511/1 [Lihat sebelah

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SC PAPER 1 trial exams 2007

Transcript of SC PAPER 1 trial exams 2007

Page 1: SC PAPER 1 trial exams 2007

1511/1SainsKertas 1September 2007 1 ¼ jam

PERSIDANGAN KEBANGSAAN PENGETUA-PENGETUASEKOLAH MENENGAH

NEGERI KEDAH DARUL AMAN

PEPERIKSAAN PERCUBAAN SPM 2007

SAINS

Kertas 1

Satu jam lima belas minit

JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU

1. Kertas soalan ini adalah dalam dwibahasa.2. Setiap soalan dimulai dengan soalan Bahasa Inggeris dan diikuti dengan terjemahannya dalam

Bahasa Melayu.

INFORMATION FOR CANDIDATES

1 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 If you wish to change your answer, erase the blackened mark that you have made. Then blacken 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 CALON

1. Kertas soalan ini mengandungi 50 soalan.2. Jawab semua soalan.3. Jawab dengan menghitamkan ruangan yang betul pada kertas 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 kecuali dinyatakan.7. Satu senarai rumus disediakan di bawah.8. Anda dibenarkan menggunakan kalkulator saintifik yang tidak boleh diprogramkan.

Kertas soalan ini mengandungi 24 halaman bercetak

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1 Diagram 1 shows an interneurone.Rajah 1 menunjukkan neuron perantaraan.

DIAGRAM 1 RAJAH 1

What is X?Apakah X?

A Axon Akson

B DendriteDendrit

C DendronDendron

D Cell bodyBadan sel

2 The following information shows the pathway of an impulse.

Maklumat berikut menunjukkan laluan impuls.

Receptor → Spinal cord → Effector Reseptor → Saraf tunjang → Efektor

Which of the following action is correct for the pathway?Antara tindakan berikut, manakah betul tentang laluan impuls di atas?

A CoughingBatuk

B Giving a speechMemberi ucapan

C Listening to musicMendengar muzik

D Reading a story bookMembaca buku cerita

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X

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3 Sara picks some flowers. This is Sara memetik beberapa kuntum bunga. Ini ialah

A a reflex action

tindakan refleks B a capillary action

tindakan kapilari C a voluntary action

tindakan terkawal D an involuntary action

tindakan tidak terkawal

4 Diagram 2 shows the endocrine system. Rajah 2 menunjukkan kelenjar endokrin

Which of the following A, B, C or D increases the respiration rate and heartbeat during an emergency?Antara A, B, C dan D yang manakah meningkatkan kadar respirasi dan denyutan jantung semasa kecemasan?

DIAGRAM 2 RAJAH 2

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A

B

C

D

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Female

Parent

Female

Parent

FemaleMale

Parent

FemaleMaleFemaleMaleFemaleMaleFemaleMale

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5 Diagram 3 shows a cross-breeding between two rabbits. Rajah 3 menunjukkan kacukan antara dua arnab.

DIAGRAM 3 RAJAH 3

What are the genes in the male parent?Apakah gen yang terkandung dalam arnab induk jantan?

A HB HHC HhD hh

6 Which of the following is an example of a continuous variation?Antara berikut, yang manakah merupakan contoh variasi selanjar?

A C

B D

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Female Female

Female Male

Parent

Female Male

Parent

Gamete

Female Male

Parent

Female Male

Parent

Female Male

Parent

Female Male

Parent

OffspringAnak

Female Male

Parent

Female Male

Parent

Female MaleFemale Male

Parent

Female Male

Parent

GameteGamet

Female MaleFemale Male

Parent

Female Male

Parent

Female Male

Parent

Female Male

Parent

Female Male

Parent

Female MaleFemale Male

Parent

Female Male

Parent

Female MaleFemale Male

Parent

Female Male

Parent

Female Male

Parent

Female Male

Parent

Female Male

Parent

FemaleBetina

MaleJantan

ParentInduk

Female Female

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7 Diagram 4 shows the development of two twins.Rajah 4 menunjukkan perkembangan dua bayi kembari.

DIAGRAM 4 RAJAH 4

Which of the following is true?Antara berikut, yang manakah benar?

A Zygote formed splits into two.Zigot yang terbentuk membahagi dua.

B Embryos share the same placenta.Embrio berkongsi plasenta yang sama.

C Babies have different genetic traits.Bayi mempunyai sifat genetik yang berbeza.

D The sex of the babies must be same.Jantina bayi mesti sama.

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SpermSperma

OvumOvum

ZygoteZigot

EmbryoEmbrio

BabiesBayi

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8 Which of the following represents the freezing process?Antara berikut, yang manakah mewakili proses pembekuan?

9 Table 1 shows the proton number and nucleon number of elements W, X, Y and Z.Jadual 1 menunjukkan nombor proton dan nombor nukleon bagi unsur W, X, Y dan Z.

ElementUnsur

Proton numberNombor proton

Nucleon numberNombor nukleon

W 6 12X 6 14Y 7 14Z 8 16

TABLE 1JADUAL 1

Which of the elements are isotopes?Antara unsur berikut, yang manakah isotop?

A W and XW dan X

B X and YX dan Y

C Y and ZY dan Z

D W and ZW dan Z

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10 Which of the following substances can only conduct electricity in the molten state?Antara bahan berikut, yang manakah boleh mengkonduksi arus elektrik dalam keadaan leburan sahaja?

A ZincZink

B CarbonKarbon

C NaphthaleneNaftalena

D Sodium chlorideNatrium klorida

11 Diagram 5 shows a periodic table. Which of the following A, B, C and D is a non-metal?Rajah 5 menunjukkan satu jadual berkala. Antara A, B, C dan D, yang manakah bukan logam?

DIAGRAM 5 RAJAH 5

12 Which of the following differences between chemical and physical changes is true? Antara berikut, yang manakah benar tentang perbezaan antara perubahan kimia dan perubahan fizik?

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Chemical changesPerubahan kimia

Physical changesPerubahan fizikal

A New substances are not formedBahan baru tidak terbentuk

New substances are formedBahan baru terbentuk

B Changes are not reversiblePerubahan tidak berbalik

Changes are reversiblePerubahan berbalik

C Very little energy is requiredSedikit tenaga diperlukan

A lot of energy is requiredBanyak tenaga diperlukan

D Chemical composition does not changeKomposisi kimia tidak berubah

Chemical composition changesKomposisi kimia berubah

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13 Diagram 6 shows the reaction of a metal with water.Rajah 6 menunjukkan tindak balas satu logam dengan air .

DIAGRAM 6 RAJAH 6

Which of the following metals react most vigorously?Antara yang berikut, logam manakah bertindak balas paling cergas?

A ZincZink

B SodiumNatrium

C CalsiumKalsium

D MagnesiumMagnesium

14 The word equation below shows a chemical reaction.Persamaan perkataan berikut menunjukkan suatu tindak balas kimia.

What is the name of the process?Apakah nama proses ini?

A HaberHaber

B ContactSentuh

C ElectrolysisElectrolisis

D PhotosynthesisFotosintesis

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200 atm. Nitrogen + hydrogen ammonia + heatNitrogen + hidrogen 500 º C ammonia + haba

MetalLogam

WaterAir

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15 Diagram 7 shows the electrolysis of molten lead (II) bromide.Rajah 7 menunjukkan elektrolisis leburan plumbum (II) bromida.

DIAGRAM 7 RAJAH 7

Which of the following statements is true?Antara kenyataan berikut, yang manakah benar?

A Silvery lead solid is deposited at the anode Pepejal plumbum berkilat terenap di anod

B Brown bromine gas is released at the anodeGas bromin berwarna perang terbebas di katod

C Brown bromine gas is released at the cathodeGas bromin berwarna perang terbebas di anod

D Lead (II) bromide can conduct electricity in solid formPlumbum (II) bromida boleh mengkonduksi elektrik dalam keadaan pepejal

16 Which of the following is a radioactive substance?Antara berikut yang manakah merupakan bahan radioaktif?

A ZincZink

B FerrumFerum

C CopperKuprum

D UraniumUranium

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Carbon (cathode)Karbon (katod)

Carbon (anode)Karbon (anod)

Molten lead (II) bromidePlumbum (II) bromide lebur

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17 Diagram 8 shows the penetrating power of beta and gamma rays.Rajah 8 menunjukkan kuasa penembusan bagi sinar beta dan sinar gamma.

DIAGRAM 8RAJAH 8

What are the substances P and Q?Apakah bahan P dan Q?

P QA Sheet of paper

Helaian kertasSheet of aluminiumKepingan aluminium

B Block of leadBlok plumbum

Sheet of aluminiumKepingan aluminium

C Sheet of aluminiumKepingan aluminium

Block of leadBlok plumbum

D Block of leadBlok plumbum

Sheet of paperHelaian kertas

18 Which of the following is the use of the radioisotope carbon-14?Antara berikut yang manakah merupakan kegunaan radioisotop karbon-14?

A Detect leaks in pipes Mengesan kebocoran di dalam paip

B Estimate the age of an artifactMenganggarkan usia suatu artifak

C Determine the thickness of metal sheetsMenentukan ketebalan suatu kepingan logam

D Study the rate of absorbtion of fertilizers by plantsMengkaji kadar penyerapan baja oleh pokok

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Beta raysSinar Beta

Q

Radioactive substanceBahan radioaktif

Gamma raysSinar gama

P

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19 What is the effect of radioactive radiation on humans?Apakah kesan sinaran radioaktif kepada manusia?

A CancerKanser

B Obesity Obesiti

C Skin diseasesPenyakit kulit

D High blood pressureTekanan darah tinggi

20 Which of the following is a natural phenomenon formed by the dispersion of sunlight. Antara berikut, yang manakah fenomena semulajadi yang disebabkan oleh penyebaran cahaya matahari?

A RainbowPelangi

B Blue skyLangit kelihatan biru

C Red sunsetLangit kelihatan merah ketika senja

D White cloudsAwan kelihatan putih

21 Choose the correct match between the structure of an eye and a camera.Pilih padanan yang betul antara struktur mata dan kamera.

EyeMata

CameraKamera

A PupilAnak mata

ApertureBukaan

B CorneaKornea

FilmFilem

C RetinaRetina

LensKanta

D Ciliary musclesOtot siliari

IrisIris

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22 Which of the following are the characteristics of an image of a pin-hole camera?Antara berikut, yang manakah ciri-ciri imej kamera lubang jarum?

A Real and uprightNyata dan tegak

B Real and invertedNyata dan songsang

C Virtual and uprightMaya dan tegak

D Virtual and invertedMaya dan songsang

23 Diagram 9 shows a white light passing through two coloured filters.Rajah 9 menunjukkan satu alur cahaya putih melalui dua penapis warna .

White lightCahaya putih

Magenta filter Yellow filter White screen Penapis Magenta Penapis kuning Skrin putih

DIAGRAM 9 RAJAH 9

What is the colour of the light formed on the white screen?Apakah warna yang terbentuk pada skrin putih?

A RedMerah

B BlueBiru

C GreenHijau

D BlackHitam

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24 A pollutant produced from farming activities isBahan pencemar yang dihasilkan daripada aktiviti pertanian ialah

A nitric acidasid nitrik

B herbicidesherbasid

C lead compoundssebatian plumbum

D chlorofluorocarbonkloroflorokarbon

25 The catalyst used in the Haber Process isMangkin yang digunakan dalam proses Haber ialah

A IronBesi

B NickelNikel

C Iron oxideBesi oksida

D Nickel oxideNikel oksida

26 Which of the following is a useful microorganism that lives in the human intestine? Antara berikut, yang manakah mikroorganisma berfaedah yang hidup tinggal dalam usus manusia?

A VirusVirus

B Fungi Kulat

C BacteriaBakteria

D ProtozoaProtozoa

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27 Diagram 10 shows a water bottle.Rajah 10 menunjukkan sebuah botol air

DIAGRAM 10 RAJAH 10

What is the best way to overcome pollution caused by the bottle?Apakah cara terbaik untuk mengatasi masalah pencemaran yang disebabkan oleh botol tersebut?

A RecycleKitar semula

B IncinerateInsinerator

C Treat with acidRawat dengan asid

D Treat with alkaliRawat dengan alkali

28 The following information shows the use of a substance.Maklumat berikut menunjukkan kegunaan suatu bahan .

What is the substance?Apakah bahan itu?

A AntisepticAntiseptik

B AntibioticAntibiotik

C Gamma raySinaran gamma

D Disinfectant Disinfektan

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Kill pathogens on surfaces such as walls, floors, surgical equipments, sickrooms and drains

Membunuh patogen pada permukaan seperti dinding, lantai, peralatan pembedahan, bilik sakit dan longkang

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29 Diagram 11 shows a method of transmission of a disease.Rajah 11 menunjukkan satu cara penyebaran sejenis penyakit.

DIAGRAM 11 RAJAH 11

What is the disease?Apakah penyakit itu?

A TuberculosisBatuk kering

B Hepatitis BHepatitis B

C GonorrheaGonorea

D TineaPanau

30 Which of the following is the smallest microorganism?Antara mikroorganisma berikut, yang manakah paling kecil?

A C C

B D

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31 Table 2 shows the calorific value of four types of food.Jadual 2 menunjukkan nilai kalori bagi empat jenis makanan.

FoodMakanan

Calorific Value ( kJg-1)Nilai Kalori ( kJg-1)

EggTelur

6.00

Fried noodleMee goreng

8.50

ChickenAyam

6.10

PapayaBetik

1.68

TABLE 2 JADUAL 2

A student takes 60 g egg, 200 g fried noodle, 200 g chicken and 100 g papaya. Calculate the total calorific value taken.Seorang pelajar mengambil 60 g telur, 200 g mee goreng, 200 g ayam dan 100 g betik. Hitung jumlah nilai kalori yang diambil.

A 22.28 kJB 222.80 kJC 3095 kJD 3448 KJ

32 Which of the following activity requires the least calories?Antara berikut, aktiviti manakah memerlukan kalori yang paling rendah?

A SingingMenyanyi

B RunningBerlari

C SleepingTidur

D SwimmingBerenang

33 Which phenomenon increases the nitrogen content in soil?Antara fenomena berikut yang manakah boleh menambahkan kandungan nitrogen di dalam tanah?

A Flood Banjir

B Acid rainHujan asid

C Lightning Kilat

D LandslidesTanah runtuh

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34 Choose the correct match between the health problem and suggested nutrition. Pilih padanan yang betul antara masalah kesihatan dengan cadangan pemakanan .

35 Which element is required by plants in large amounts?Unsur yang manakah diperlukan oleh tumbuh-tumbuhan dalam kuantiti yang besar?

A IronBesi

B PotassiumKalium

C ManganeseMangan

D MolybdenumMolibdenum

36 An increase in carbon dioxide in the atmosphere will causePeningkatan kandungan gas karbon dioksida dalam udara akan menyebabkan

A acid rainhujan asid

B global warmingpemanasan global

C ozone depletionpenipisan lapisan ozon

D depletion of soil fertilitykesuburan tanah berkurang

37 Diagram 12 shows a simplified carbon cycle.

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Health ProblemMasalah Kesihatan

Suggested nutritionCadangan Pemakanan

A KwashiorkorKwasyiorkor

meat, fish, milk and nutsdaging, ikan susu dan kacang

B AnemiaAnaemia

citrus fruits and vegetableslimau dan sayur-sayuran

C ScurvySkurvi

Sea-food,iodized salt and seaweedmakanan laut, garam iodin dan rumpai laut

D GoiterGoiter

cheese, milk, cereal and anchovykeju, susu, bijirin dan udang galah

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Rajah 12 menunjukkan ringkasan kitaran karbon.

DIAGRAM 12 RAJAH 12

What are processes X and Y?Antara berikut yang manakah merupakan proses X dan Y?

X YA Decomposition

PenguraianRespirationRespirasi

B PhotosynthesisFotosintesis

RespirationRespirasi

C DecompositionPenguraian

TranspirationTranspirasi

D PhotosynthesisFotosintesis

TranspirationTranspirasi

38 The word equation shows a process to produce ethanol .Persamaan perkataan menunjukkan suatu proses untuk menghasilkan etanol .

Name the process.Namakan proses tersebut.

A DistillationPenyulingan

B EsterificationPengesteran

C FermentationPenapaian

D NeutralisationPeneutralan

39 Diagram 13 shows the structure of a soap molecule.

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Glucose ethanol + carbon dioxideGlukosa etanol + karbon dioksida

Yeastyis

Carbon diokside in the atmosphereKarbon dioksida di atmosfera

Planttumbuhan

AnimalHaiwan

X Y

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Rajah 13 menunjukkan struktur satu molekul sabun

DIAGRAM 13 RAJAH 13

X will dissolve inX akan larut dalam

A fatlemak

B waterair

C greasegris

D palm oilminyak sawit

40 Which of the following is not a natural polymer?Antara berikut yang manakah bukan polimer asli?

A ProteinProtein

B RubberGetah

C PerspexPerspeks

D CelluloseSelulosa

41 A trolley with a mass of 4 kg is moving at a velocity of 5 ms 1 . What is the momentum of the trolley?[ Momentum = Mass x Velocity]Sebuah troli yang berjisim 4 kg bergerak pada halaju 5ms-1. Berapakah momentum troli tersebut? [ Momentum = Jisim x Halaju ]

A 0.02kgms-1

B 0.2 kgms-1

C 20 kgms-1

D 200 kgms-1

42 Diagram 14 shows a force Y that acts on a moving aeroplane.

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X

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Rajah 14 menunjukkan daya gerakan yang bertindak ke atas sebuah kapal terbang.

DIAGRAM 14 RAJAH 15

What is force Y?Apakah daya Y?

A DragSeretan

B TrustTujah

C Weight (Gravitational force)Berat (Daya graviti)

D Upthrust (Lift force) Daya angkat

43 Diagram 15 shows the air flow around an aerofoil.Rajah 15 menunjukkan pengaliran udara di sekeliling satu aerofoil.

DIAGRAM 15 RAJAH 15

Which area has the highest air pressure?Kawasan manakah mempunyai tekanan udara yang tertinggi?

A WB XC YD Z

44 Why are groundnuts vacuum-packed?

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Y

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Mengapa kacang tanah dibungkus secara vakum?

A Enhance the taste of the food Menambah rasa makanan

B Prevent oxidation of the foodMengelak pengoksidaan makanan

C Kill the microorganismsMembunuh mikroorganisma

D Add nutrientsMenambah kandungan nutrient

45 Diagram 16 shows some types of food Rajah 16 menunjukkan beberapa jenis makanan.

DIAGRAM 16 RAJAH 16

What is the best method to preserve the food above?Apakah cara terbaik untuk menyimpan makanan di atas

A PasteurisationPempasteuran

B RefrigerationPendinginan

C IrradiationPenyinaran

D FreezingPenyejukbekuan

46 Diagram 17 shows a food label.

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Rajah 17 menunjukkan label makanan.

KICAP PEKAT CAP ROSNet weight : 250 mlBerat bersih

Manufacturer : Ros Manufacturing Sdn Bhd Pengeluar JA 5577, Jln SS22/12 77500 Melaka.

Expiry date : 31July 2007Tarikh luput

DIAGRAM 17 RAJAH 17

Based on the food regulation 1985, what is not shown in the label?Berdasarkan peraturan makanan 1985. Apakah yang tidak terdapat dalam label makanan tersebut?

A Price tagTanda harga

B IngredientBahan

C Nutrition contentKandungan nutrient

D Manufacturing dateTarikh pengeluaran

47 Which of the following is synthetic rubber?Antara berikut, yang manakah getah sintetik?

A PerspexPerspeks

B BakeliteBakelit

C Polythene Politena

D NeopreneNeoprena

48 Diagram 18 shows a process to produce synthetic polymers.

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Rajah 18 menunjukkan proses untuk menghasilkan polimer sintetik.

DAIGRAM 18

RAJAH 18

Name the process Z? Namakan proses Z?

A DehydrationPendehidratan

B VulcanisationPemvulkanan

C PolymerisationPempolimeran

D DepolymerisationPenyahpolimeran

49 Diagram 19 shows a wave form. Rajah 19 menunjukkan suatu gelombang.

DIAGRAM 19 RAJAH 19

A wavelength can be represented byPanjang gelombang diwakili oleh

A RSB RTC RUD ST

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R

S T

U

Process ZProses Z

EtheneEtena

Polythenepolitena

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50 Diagram 20 shows a radio receiver system.Rajah 20 menunjukkan sistem penerima radio.

DIAGRAM 20 RAJAH 20

Which part of the system selects the required frequency of a radio wave? Bahagian manakah dalam sistem penerima radio berfungsi memilih frekuesi gelombang radio?

A Tuner Penala

B Aerial Aerial

C Amplifier Amplifier

D DemodulatorPengesan

END OF QUESTION PAPERKERTAS SOALAN TAMAT

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TunerPenala

DemodulatorPengesan

AmplifierAmplifier

AerialAerial