soalan ramalan spm 20121511

SOALAN RAMALAN SPM 2012 1511/2

TINGKATAN LIMA 2012SCIENCEKertas 1Nov 20122 ½ jam Dua jam tiga puluh minit

JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU

SEKOLAH MENENGAH KEBANGSAAN RAJA JUMAAT, PORT DICKSON, NEGERI SEMBILAN DARUL KHUSUS

Kertas soalan ini mengandungi 20 halaman bercetak

PERINGATAN!

INI ADALAH SOALAN RAMALAN BUKANNYA SOALAN SEBENAR, UNTUK TUJUAN SENTUHAN EMAS KALI TERAKHIR SOALAN INI

BOLEH DIRUJUK PADA SAT-SAAT AKHIR.

19 NOVEMBER 2012‘SELAMAT MENJAWAB’

SOALAN RAMALAN SPM 2012

1 Diagram 1 shows an experiment to study the heat conductivity of metals.Rajah 1 menunjukkan satu eksperimen untuk mengkaji kekonduksian haba logam.

Diagram 1Rajah 1

Table 1 shows the result form the above experiment.Jadual 1 menunjukkan keputusan daripada eksperimen di atas.

Type of rodJenis rod

Time taken for thumbtack to dropMasa untuk paku tekan jatuh (s)

L 15M 28N 20

Table 1Jadual 1

a) State the following variables in this experiment.Nyatakan pembolehubah berikut dalam eksperimen ini.i) Manipulated variable:

Pembolehubah dimanipulasi

...............................................................................................................................

ii) Constant variable:Pembolehubah bergerak balas

...............................................................................................................................

Section A[20 marks]

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Answer all questions in this section.Jawab semua soalan dalam bahagian ini.

b) i) Based on the result of the experiment, which metal is the most suitable to make a cooking pot?Berdasarkan keputusan eksperimen, logam manakah paling sesuai dijadikan periuk memasak?

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ii) State one inference that you can make based on b(i).Nyatakan satu inferens yang dapat anda buat berdasarkan b(i).

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c) Based on this experiment, state the operational definition for heat conductivity.Berdasarkan eksperimen ini, nyatakan definisi secara operasi bagi kekonduksian haba.

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2 Diagram 2.1(a) and 2.1(b) show an experiment to study the hardness of copper block and bronze block when the weights are dropped onto a steel ball.Rajah 2.1(a) dan Rajah 2.2(b) menunjukkan satu eksperimen untuk mengkaji kekerasan blok kuprum dan blok gangsa apabila pemberat dijatuhkan ke atas bola keluli.

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The effects on the copper block and bronze block are shown in Diagram 2.2(a) and 2.2(b).Kesan pada blok kuprum dan blok gangsa ditunjukkan dalam Rajah 2.2(a) dan Rajah 2.2(b).

Based on Diagram 2.2(a), measure the diameter of the dent x and complete Table 2.Berdasarkan Rajah 2.2(a), ukur diameter lekukan x dan lengkapkan Jadual 2.

BlockBlok

Diameter of the dent / cmDiameter lekukan / cm

Copper KuprumBronzeGangsa

0.6

Table 2Jadual 2

a) Write down one observation from the result of this experiment.Nyatakan satu pemerhatian daripada keputusan eksperimen ini.

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b) Write one suitable hypothesis for this experiment.Tuliskan satu hipotesis yang sesuai untuk eksperimen ini.

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c) State the following variables in this experiment.Nyatakan pembolehubah berikut dalam eksperimen ini.i) Constant variable:

Pembolehubah dimalarkan

...............................................................................................................................

ii) Responding variable:Pembolehubah bergerak balas

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3 Diagram 3 shows an experiment to study the needs of nutrient in plant growth. Four set of apparatus A, B, C and D are set up.Rajah 3 menunjukkan satu eksperimen bagi mengkaji keperluan bagi pertumbuhan anak benih empat set A, B, C dan D yang telah disediakan.

Diagram 3Rajah 3

a) Write down one observation from the result of this experiment.Nyatakan satu pemerhatian daripada keputusan eksperimen ini.

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b) Write one suitable hypothesis for this experiment.Tuliskan satu hipotesis yang sesuai untuk eksperimen ini.

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Corn seedlingAnak benih jagung

Black paperKertas hitam



CottonKapas

CottonKapas

Complete culture solution

Larutan kultur lengkap

Culture solution without nitrogenLarutan kultur tanpa nitrogen

Culture solution without phosporus

Larutan kultur tanpa fosforus

Distilled waterAir suling


c) State the following variables in this experiment.Nyatakan pembolehubah berikut dalam eksperimen ini.i) Manipulated variable:


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ii) Responding variable:Pembolehubah bergerak balas

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d) Predict the growth of the seedling in Set C after two weeks.Ramalkan pertumbuhan anak benih dalam Set C selepas dua minggu.

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4 Diagram 4 shows an experiment to compare the elasticity of a natural rubber, Rubber P with a natural rubber that has been soaked in sulphur monochloride solution, Rubber Q.Rajah 4 menunjukkan eksperimen untuk membandingkan sifat kekenyalan getah asli, Getah P dengan getah asli yang telah dicelupkan ke dalam larutan sulphur monoklorida, Getah Q.

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Natural rubberGetah asli

Scissors/ Gunting

10 cm

Beaker / BikarSulphur monochloride solutionlarutan sulphur monoklorida

Clip Klip

Clip Klip


a) Write one suitable hypothesis for this experiment.Tuliskan satu hipotesis yang sesuai untuk eksperimen ini.

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b) State the following variables in this experiment.Nyatakan pembolehubah berikut dalam eksperimen ini.i) Controlled variable:


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ii) Manipulated variable:Pembolehubah dimanipulasi

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c) Based on this experiment, which rubber is more elastic?Berdasarkan eksperimen ini, getah manakah yang lebih elastic?

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d) Mark (√) the objects which are made of natural rubber that has been produced as in rubber Q.Tandakan ((√) bagi objek yang diperbuat daripada getah asli yang telah diproses sperti getah Q.

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BrainOtak

Neurone XNeuron X

Neurone YNeuron Y

ActionGerakbalas

DogAnjing

The eyes of the boyMata budak lelaki

Diagram 5Rajah 5

Effector REfektor R


Section B[30 marks]

Answer all questions in this section.Jawab semua soalan dalam bahagian ini.

5 Diagram 5 shows the pathway of nerve impulses in a body coordination of a boy when he was chasing by a dog.Rajah 5 menunjukkan suatu laluan impuls saraf di dalam koordinasi badan seorang budak lelaki apabila dia dikejar seekor anjing.

a) Name one system involved in this coordination?Namakan satu sistem yang terlibat di dalam koordinasi ini?

…………………………………………………………………………………….

b) State the name of Nyatakan nama bagii) Neurone X/ Neuron X : ………………………………………………………

ii) Neurone Y / Neuron Y : ………………………………………………………

c) What is function for neurone X?Apakah fungsi neuron Y?

………………………………………………………………………………………

d) What is the reaction of the boy?Apakah tindakbalas lelaki tersebut?

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e) What will happen to the boy if neurone Y is injured?Apakah yang terjadi kepada lelaki sekiranya neuron Y tercedera?

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………………………………………………………………………………………7 Diagram 7 shows the formation of twins.

Rajah 7 menunjukkan pembentukkan kembar.

Diagram7Rajah 7

a) (i) State the type of twins produced in Diagram 7.Nyatakan jenis kembar yang yang dihasikan dalam Rajah 7.

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(ii) Give one reason for your answer in (a)(i).Berikan satu alasan bagi jawapan di (a)(i).

...............................................................................................................................b) Name the organ that produces sperms.

Nyatakan organ yang menghasilkan sperma.

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c) State two characteristics of the twins in Diagram 7.Nyatakan dua ciri-ciri bagi kembar dalam Rajah 7.

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d) If the sex chromosome of both sperms are Y, what are the sexes of the twins?Sekiranya kromosom seks bagi kedua-dua sperma adalah Y, apakah jantina bagi kembar tersebut?

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7 Diagram 7.1 shows the level of antibodies in the blood of the patient.Rajah 7.1 menujukkan paras antibody dalam darah bagi seorang pesakit

Diagram 7.1 Rajah 7.1

a) i) Based on Diagram 7.1, what type of immunity acquired by the patient?Berdasarkan Rajah 7.1, apakah jenis keimunan yang diperlukan oleh pesakit?

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ii) Name the substance that injected to the patient for the first and second dosage?Namakan bahan yang disuntik kepada pesakit bagi dos yang pertama dan kedua?

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iii) State an example where a person may acquire the same type of immunity naturally.Nyatakan contoh di mana seseorang memperoleh keimunan secara semulajadi.

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Amount of antibodies in bloodJumlah antibodi dalam darah

Level of immunityParas keimunan

DaysHari

First dosageDos pertama

Second dosageDos kedua


Diagram 7.2 shows the change in the amount of antibody in the blood of a person injected with a vaccine twice.Rajah 8.2 menunjukkan perubahan jumlah antibody dalam darah seseorang yang telah disuntik dua kali dengan vaksin.

Diagram 7.2Rajah 7.2

c) What type of immunity that represented by Diagram 7.2?Apakah jenis keimunan yang diwakilkan oleh Rajah 7.2?

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d) What is the purpose for second injection in vaccination?Apakah tujuan suntikan kedua dalam pemvaksinan?

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e) What will happen to our body after vaccination?Apakah yang berlaku kepada badan selepas pemvaksinan?

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Amount of antibodies in bloodJumlah antibodi dalam darah

Level of immunityParas keimunan

DaysHari

First injectionSuntikan pertama

Second injectionSuntikan kedua


8 Diagram 8 shows the structure of a rocket.Rajah 8 menunjukkan struktur sebuah roket.

Diagram 8Rajah 8

a) Name the fuel used by the rocket.Namakan bahan api yang digunakan oleh roket.

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b) i) Name the structure X.Namakan struktur X.

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ii)

What is the function of X?Apakah fungsi X?

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c) State the principle used in launching the rocket?Nyatakan prinsip yang digunakan dalam pelancaran roket?

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d) On Diagram 8, mark the direction of forces involved during the rocket launching; action, A and reaction, RPada Rajah 9, tandakan arah daya-daya yang terlibat semasa pelancaran roket; Tindakan, A dan tindak balas, B.

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Liquid oxygenOksigen cecair

Fuel Bahan api

X


9 Diagram 9.1 shows structure and operational principle of a two-stroke petrol engine.Rajah 9.1 menunjukkan struktur dan prinsip operasi bagi enjin dua lejang petrol.


a) Label the structure X and Y of the two-stroke petrol engine with following words.Labelkan struktur X dan Y enjin dua lejang petrol dengan menggunakan perkataan berikut

Spark plugPalam pencucuh

PistonOmboh

Crankshaft

b) State the energy changes involved in two-stroke petrol engine.Nyatakan perubahan tenaga yang berlaku dalam enjin dua lejang petrol.

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c) Give one example of vehicle that used a two-stroke petrol engine.Nyatakan satu contoh kenderaan yang menggunakan enjin da lejang petrol.

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X:

Y:


Diagram 9.2 shows the structure of a two-stroke diesel engine.Rajah 9.2 menunjukkan struktur enijn dua lejang diesel.


d) State one differences of structure between a two-stroke petrol engine and two-stroke diesel engine.Nyatakan satu perbezaan di antara enjin dua lejang petrol dengan enjin dua lejang diesel.

.........................................................................................................................................e) Compare effectiveness between a two-stroke petrol engine and two-stroke diesel

engine.Bandingkan keberkesanan di antara enjin dua lejang petrol dengan enjin dua lejang diesel.

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Section C[20 marks]

Answer Question 10 and either Question 11 or Question 12

10 Study the following statement.Kaji pernyataan berikut.

a) Suggest one hypothesis to investigate the above statement.Cadangkan satu hipotesis untuk menyiasat pernyataan di atas.

b) Using two tins, sand, rope, hanging place and other apparatus, describe an experiment to test the hypothesis in 10(a) based on the following criteria:Menggunakan satu eksperimen bagi menguji hipotesis di 10(a) berdasarkan kriteria berikut:

i) Aim of experimentTujuan eksperimen

[1 mark]

ii) Identification of variablesMengenalpasti pemboleh ubah

[2 mark]

iii)

List of apparatus and materialsSenaraikan alat radas dan bahan

[1 mark]

iv) Procedure or methodProsedur dan kaedah

[4 mark]

v) Tabulation of dataPenjadualan data

[1 mark]

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The mass of a moving object will affect the time to stop its movement.Jisim sesuatu objek yang bergerak akan member kesan terhadap masa

menghentikan gerakannya.


11 a) State two differences between saturated fat and unsaturated fat.Nyatakan dua perbezaan di antara lemak tepu dengan lemak tidak tepu.

b) State two bad effects on eating more saturated fat of food.Nyatakan dua kesan buruk apabila makan berlebihan lemak tepu.

[4 marks]

c) Diagram 11 shows the examples of products that contain fats.Rajah 11 menunjukkan contoh produk yang mengandungi lemak.

Study the information in Diagram 11and construct the concept of saturated fat.Your answer should be based on the following steps:Kaji maklumat dalam Rajah 11 dan bina konsep lemak tepu.Jawapan anda hendaklah berdasarkan aspek-aspek berikut:

Identify two common characteristicsKenalpasti dua cirri-ciri sepunya

Give one other example of product that contains saturated fat.Berikan satu contoh lain bagi produk yang mengandungi lemak tepu.

Give two non-example of saturated fat.Berikan dua bukan contoh bagi lemak tepu.

Relate the common characteristics to construct the concept of saturated fat.

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FatsLemak

ButterMentega

GheeMinyak sapi

SausageSosej


Hubungkaitkan cirri sepunya untuk membina konsep lemak tepu.

12 A group of fishermen found that October until December is bad news to them caused bad weather to go catching more fish on the sea. To make sure their fish that caught more fresh and still can buy until December, they were asked to overcome that problems.Sekumpulan nelayan mendapati bahawa Bulan Oktober sehingga Disember merupakan berita buruk bagi mereka kerana tidak dapat ke laut lagi untuk menangkap lebih banyak ikan. Bagi mengatasi keperluan ikan mencukupi sehingga hujung tahun, mereka diarahkan untuk mengatasi masalhah tersebut.

Your explanation should include the following aspects Penerangan anda hendaklah mengandungi aspek-aspek berikut :

Identify the problemKenal pasti masalah

Explain two methods to solve the problemTerangkan dua kaedah penyelesaian

Choose the best method and explain your choicePilih kaedah terbaik dan jelaskan pilihan anda

`END OF QUESTION PAPER`KERTAS SOALAN TAMAT

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soalan ramalan spm 20121511

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