Soalan ramalan spm 20121511

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

SOALAN RAMALAN SPM 2012 1511/2
TINGKATAN LIMA 2012
SCIENCE
Kertas 1
Nov 2012
2 ½ jam Dua jam tiga puluh minit

JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU

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’

Kertas soalan ini mengandungi 20 halaman bercetak

SOALAN RAMALAN SPM 2012

Section A
[20 marks]
Answer all questions in this section.
Jawab semua soalan dalam bahagian ini.

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

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

Type of rod Time taken for thumbtack to drop
Jenis rod Masa untuk paku tekan jatuh (s)
L 15
M 28
N 20

Table 1
Jadual 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
2
...............................................................................................................................
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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?

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

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

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

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

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

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

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.

3


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.

Block Diameter of the dent / cm
Blok Diameter lekukan / cm
Copper
Kuprum
Bronze 0.6
Gangsa

Table 2
Jadual 2

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

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

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

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

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

c) State the following variables in this experiment.
i) Constant variable:
Pembolehubah dimalarkan

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

ii) Responding variable:

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

4


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.

Corn seedling
Anak benih jagung

Cotton Cotton
Kapas Kapas

Black paper Black paper Black paper
Kertas hitam Kertas hitam Kertas hitam

Complete culture Culture solution Culture solution Distilled water
solution without nitrogen without phosporus Air suling
Larutan kultur Larutan kultur Larutan kultur
lengkap tanpa nitrogen tanpa fosforus

Diagram 3
Rajah 3

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

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

b) Write one suitable hypothesis for this experiment.

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

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

5


c) State the following variables in this experiment.
i) Manipulated variable:

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

ii) Responding variable:

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

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

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

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.

Scissors/ Gunting

10 cm Natural rubber
Getah asli

Beaker / Bikar
Sulphur monochloride
solution
larutan sulphur monoklorida
Clip Clip
Klip Klip

6


a) Write one suitable hypothesis for this experiment.

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

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

b) State the following variables in this experiment.
i) Controlled variable:

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

ii) Manipulated variable:
Pembolehubah dimanipulasi

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

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

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

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.

7


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.

Neurone X
Neuron X Neurone Y
Dog The eyes of the boy Brain Neuron Y
Anjing Mata budak lelaki Otak

Effector R
Efektor R

Diagram 5
Rajah 5 Action
Gerakbalas

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

…………………………………………………………………………………….

b) State the name of
Nyatakan nama bagi
i) 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?

………………………………………………………………………………………

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

………………………………………………………………………………………
8


7 Diagram 7 shows the formation of twins.
Rajah 7 menunjukkan pembentukkan kembar.

Diagram7
Rajah 7
a) (i) State the type of twins produced in Diagram 7.
Nyatakan jenis kembar yang yang dihasikan dalam Rajah 7.

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

(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.

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

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

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

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

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?

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

9


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

Amount of antibodies in blood
Jumlah antibodi dalam darah

Level of immunity
Paras keimunan

Days
First dosage Second dosage
Hari
Dos pertama Dos kedua

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?

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

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?

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

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

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

10


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.

Amount of antibodies in blood
Jumlah antibodi dalam darah

Level of immunity
Paras keimunan

Days
First injection
Second injection Hari
Suntikan
pertama Suntikan kedua

Diagram 7.2
Rajah 7.2

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

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

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

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

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

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

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

11


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

Fuel Liquid oxygen
Bahan api Oksigen cecair

X

Diagram 8
Rajah 8
a) Name the fuel used by the rocket.
Namakan bahan api yang digunakan oleh roket.

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

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

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

ii) What is the function of X?
Apakah fungsi X?

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

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

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

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

12


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.

X:

Y:

Diagram 9.1
Rajah 9.1

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 plug Piston Crankshaft
Palam pencucuh Omboh

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

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

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

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

13


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

Diagram 9.2
Rajah 9.2

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.

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

14


Section C
[20 marks]

Answer Question 10 and either Question 11 or Question 12

10 Study the following statement.
Kaji pernyataan berikut.

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.

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 experiment
Tujuan eksperimen
[1 mark]

ii) Identification of variables
Mengenalpasti pemboleh ubah
[2 mark]

iii) List of apparatus and materials
Senaraikan alat radas dan bahan
[1 mark]

iv) Procedure or method
Prosedur dan kaedah
[4 mark]

v) Tabulation of data
Penjadualan data
[1 mark]

15


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.

Fats
Lemak

Butter Sausage
Mentega Sosej

Ghee
Minyak sapi

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 characteristics
Kenalpasti 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.
Hubungkaitkan cirri sepunya untuk membina konsep lemak tepu.

16


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 problem
Kenal pasti masalah

Explain two methods to solve the problem
Terangkan dua kaedah penyelesaian

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

`END OF QUESTION PAPER`
KERTAS SOALAN TAMAT

17

Soalan ramalan spm 20121511

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