Sc K2 Trial SPM Selangor 2015

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SULIT 1511/2 Sains Kertas 2 7 September 2015 2½ jam SMK KUALA KUBU BHARU _____________________________________________ PEPERIKSAAN PERCUBAAN SIJIL PELAJARAN MALAYSIA 2015 SAINS TINGKATAN 5 Kertas 2 Dua jam tiga puluh minit JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU Kertas soalan ini mengandungi 19 halaman bercetak [Lihat sebelah Nama …………………..……....…….……….... Ting …………….. NO KAD PENGENALAN ANGKA GILIRAN Untuk Kegunaan Guru Pemeriksa Bahagian Soalan Markah Penuh Markah Diperoleh A 1 5 2 6 3 4 4 5 B 5 6 6 6 7 6 8 6 9 6 C 10 10 11 10 12 10 Jumlah 1. Tulis nama, tingkatan, nombor kad pengenalan dan angka giliran anda pada petak yang disediakan 2. Kertas soalan ini adalah dalam dwibahasa 3. Soalan dalam bahasa Inggeris mendahului soalan yang sepadan dalam bahasa Melayu 4. Calon dibenarkan menjawab keseluruhan atau sebahagian soalan sama ada dalam bahasa Inggeris atau bahasa Melayu. 5. Calon dikehendaki membaca maklumat di halaman belakang kertas soalan ini 6. Calon dikehendaki menjawab soalan di dalam kertas ini.

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Transcript of Sc K2 Trial SPM Selangor 2015

SULIT 1511/2 1511/2 Sains Kertas 2 7 September 2015 2½ jam

SMK KUALA KUBU BHARU _____________________________________________

PEPERIKSAAN PERCUBAAN SIJIL PELAJARAN MALAYSIA 2015

SAINS TINGKATAN 5

Kertas 2

Dua jam tiga puluh minit

JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU

Kertas soalan ini mengandungi 19 halaman bercetak [Lihat sebelah

Nama …………………..……....…….……….... Ting ……………..

NO KAD PENGENALAN

ANGKA GILIRAN

Untuk Kegunaan Guru Pemeriksa

Bahagian Soalan Markah Penuh

Markah Diperoleh

A

1 5

2 6

3 4

4 5

B

5 6

6 6

7 6

8 6

9 6

C

10 10

11 10

12 10

Jumlah

1. Tulis nama, tingkatan, nombor kad pengenalan dan angka giliran anda pada petak yang disediakan

2. Kertas soalan ini adalah dalam dwibahasa 3. Soalan dalam bahasa Inggeris mendahului

soalan yang sepadan dalam bahasa Melayu 4. Calon dibenarkan menjawab keseluruhan atau

sebahagian soalan sama ada dalam bahasa Inggeris atau bahasa Melayu.

5. Calon dikehendaki membaca maklumat di

halaman belakang kertas soalan ini 6. Calon dikehendaki menjawab soalan di dalam

kertas ini. .

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Bahagian A

[20 markah]

Jawab semua soalan dalam bahagian ini

1. Diagram 1.1 and Diagram 1.2 show an experiment to study the heat change in chemical reactions at

room temperature.

Rajah 1.1 dan Rajah 1.2 menunjukkan eksperimen untuk mengkaji perubahan haba dalam tindak

balas kimia pada suhu bilik.

(a) Based on Diagram 1.2, what is your observation about the change in temperature?

Berdasarkan Rajah 1.2, apakah pemerhatian berkenaan perubahan suhu?

Mark ( √ ) for your answer in Table 1.

Tandakan ( √ )untuk jawapan anda dalam Jadual 1.

Temperature decreases

Suhu menurun

No change in temperature

Tiada perubahan suhu

Temperature increases

Suhu meningkat

Table 1

Jadual 1

[1 markah]

27 oC

Diagram 1.1

Rajah 1.1

27 oC

Diagram 1.2

Rajah 1.2

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(b) What is the final reading of the thermometer in Diagram 1.1?

Apakah bacaan akhir pada termometer dalam Rajah 1.1?

……………………… o C

[1 markah]

(c)State the variables in this experiment.

Nyatakan pembolehubah dalam eksperimen ini.

(i) Manipulated variable : …………………………………………………………………………………….…..

Pembolehubah dimanipulasikan [1 markah]

(ii) Constant variable : …………………………………………………………………………………..…………

Pembolehubah dimalarkan [1 markah]

(d) Based on this experiment, state the operational definition for endothermic reaction.

Berdasarkan eksperimen ini.nyatakan definisi secara operasi bagi tindak balas endotermik.

……………………………………………………………………………………..………………………………

……………………………………………………………………………………..………………………………

[1 markah]

2. Diagram 2.1 shows an experiment to study the characteristics of an image formed on a plane mirror.

Rajah 2.1 menunjukkan satu eksperimen untuk mengkaji ciri imej yang terbentuk pada cermin satah.

``

Diagram 2.1 / Rajah 2.1

Object

Objek

Observer’s eye

Mata pemerhati

Plane mirror

Cermin satah

u

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(a) Measure the object distance, u in Diagram 2.1

Ukurkan jarak objek,u dalam Rajah 2.1

............................. cm [1 mark]

(b) Draw the image that will form on the pane mirror in Diagram 2.1

Lukis imej yang akan terbentuk pada cermin satah pada Rajah 2.1 [2 marks]

(c) Diagram 2.2 shows an image of a wall clock seen in a plane mirror in the morning.

Rajah 2.2 menujukkan imej sebuah jam dinding di dalam cermin satah pada waktu pagi.

Diagram 2.2

Rajah 2.2

(i) State the actual time shown by the clock.

Nyatakan masa sebenar yang ditunjukkan oleh jam itu.

………………………………………………………………………………………………………… [1 mark]

(ii) State one characteristic of the image formed in Diagram 2.2.

Nyatakan satu ciri imej yang terbentuk dalam Rajah 2.2.

………………………………………………………………………………………………………… [1 mark]

(d) Mark (√ ) the optical instrument which uses plane mirror.

Tandakan (√ ) alat optik yang menggunakan cermin satah.

[1 mark]

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3. Diagram 3 shows an experiment to study the effect of different concentration of an antibiotic A,B,C and

D on bacterial growth.

Rajah 3 menunjukkan eksperimen untuk mengkaji kesan antibiotik A,B,C dan D yang mempunyai

kepekatan berbeza ke atas pertumbuhan bakteria.

Diagram 3 / Rajah 3

The diameter of clear area was measured after 2 days. The result of the experiment is shown in Table 2.

Diameter kawasan jernih diukur selepas 2 hari. Keputusan eksperimen ditunjukkan dalam Jadual 2.

Antibiotic

Antibiotik

Concentration of an antibiotic [mg]

Kepekatan antibiotik [mg]

Diameter of the clear area [mm]

Diameter kawasan jernih [mm]

A 0.5 2.0

B 1.0 ………….

C 1.5 6.0

D 2.0 8.0

Table 2 / Jadual 2

(a) Based on Table 2, draw a graph to show the diameter of clear area against the concentration of

antibiotic.

Berdasarkan Jadual 2, lukis graf diameter kawasan jernih melawan kepekatan antibiotik.

[2 markah]

A B

C D

Nutrient agar

Agar nutrien

+

Bacillus subtilis bacteria

Bakteria Bacillus subtilis

Concentration of antibiotic[mg]

Kepekatan antibiotik[mg] 0.5 1.0 1.5 2.0 2.5

6

8

4

2

10

Diameter of

clear area[mm]

Diameter kawasan

jernih[mm]

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(b) Based on the graph in (a), determine the diameter of the clear area for an antibiotic B in Table 2.

Berdasarkan graf di (a), tentukan diameter kawasan jernih bagi antibiotik B dalam Jadual 2.

……………………… mm [1 markah]

(c) What is the relationship between the diameter of clear area and the concentration of an antibiotic.

Apakah hubungan antara diameter kawasan jernih dengan kepekatan antibiotik.

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

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

[1 markah]

4 Diagram 4.1 below shows an experiment to study the pressure produced by metal rod of the same size

at P and Q. Weight is placed on metal rod.

Rajah 4.1 menunjukkan satu experiment untuk mengkaji tekanan yang dihasilkan oleh rod logam yang

sama saiz pada P dan Q. Pemberat diletakkan atas rod logam.

Rajah 4.1

Diagram 4.2 shows the effect on the plasticine after the experiment.

Rajah 4.2 menunjukkan kesan pada plastisin selepas eksperimen .

Rajah 4.2

(a) Based on Diagram 4.2, measure and record the depth of dent at P and dent Q.

Berdasarkan kepada Rajah 4.2, ukur dan catat kedalaman lekukan pada P dan Q.

P: .............................. cm Q: ........................... cm [2 markah]

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(b) Basesd on the experiment, which rod produced lower pressure?

Berdasarkan eksperimen, rod yang manakah telah menghasilkan tekanan yang lebih rendah?

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

[1 markah]

(c) State one responding variable in this experiment.

Nyatakan satu pembolehubah yang bergerak balas dalam eksperimen ini.

………………………………………………………………………………………….................……………

[1 markah]

(d) State one hypothesis for this experiment.

Nyatakan satu hipotesis bagi eksperimen ini.

………………………………………..……………………………………………………………..…………

………………………………………………………………………………………..…………..……….……

[1 markah]

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Bahagian B

[30 markah]

Answer all questions in this section

Jawab semua soalan dalam bahagian ini

5 Diagram 5 shows the location of element A,B,C,D,E,F,G and H in the Periodic Table.

Rajah 5 menunjukan kedudukan unsur A,B,C,D,E,F,G dan H dalam jadual berkala.

A

B C D

E F G

H

(a) How are the elements arranged in the Periodic Table in Diagram 5?

Bagaimana unsur disusun di dalam jadual berkala dalam rajah 5?

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

[1 markah]

(b) From the Diagram 5, state one element is:

Berdasarkan Rajah 5, nyatakan satu unsur:

(i) transition elements : ....................................................................................................................... ....

unsur peralihan

(ii) non-metal : .......................................................................................................................................

bukan logam

[2 markah]

(c) Which pair of the elements in Diagram 5 are from the same Group?

Nyatakan pasangan unsur dalam rajah 5 yang terletak pada kumpulan yang sama?

…………………………………………………………….…………………………………………………………

[1 markah]

(d) What is the proton number of element H?

Berapakah nombor proton bagi unsur H?

…………………………………………………………….…………………………………………………………

[1 markah]

(e) What type of elements for element F?

Apakah jenis unsur bagi unsur F?

…………………………………………………………….…………………………………………………………

[1 markah]

Diagram 5

Rajah 5

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6 Diagram 6 shows a graph showing the varying antibody concentration in the blood of a youth once

vaccination is given.

Rajah 6 menunjukkan graf perubahan kepekatan antibodi dalam darah selepas pemvaksinan yang

dilakukan ke atas seorang pemuda.

Diagram 6

Rajah 6

(a) What is meant by vaccine? Apakah yang dimaksudkan dengan vaksin?

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

[1 markah]

(b) On which day will he receive his second vaccination?

Pada hari ke berapakah pemuda itu menerima suntikan kedua?

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

[1 markah]

(c) On which day will he obtain immunity from the vaccination?

Pada hari ke berapakah pemuda itu mencapai keimunan dalam pemvaksinan itu?

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

[1 markah]

(d) Why does he need a second injection?

Mengapakah pemuda itu memerlukan suntikan kedua?

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

[1 markah]

(e) Name the types of immunity obtained by him.

Namakan jenis keimunan yang diperoleh oleh pemuda itu.

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

[1 markah]

(f) Name one disease that needs more than one vaccination to be prevented.

Namakan satu jenis penyakit yang perlu dicegah dengan menerima lebih daripada satu suntikan

vaksin.

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

[1 markah]

aras keimunan

masa/hari

kepekatan antibodi

dalam darah

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7 Diagram 7 shows the steps in making soap.

Rajah 7 menunjukkan langkah-langkah pembuatan sabun.

Diagram 7

Rajah 7

(a) Name the process in Diagram 7.

Namakan proses dalam Rajah 7.

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

[1 markah]

(b) What is substance X?

Apakah bahan X?

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

[1 markah]

(c) What is the function of salt.

Apakah fungsi garam?

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

[1 markah]

(d) State one substance that can replace palm oil.

Nyatakan satu bahan yang boleh menggantikan minyak sawit.

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

[1 markah]

(e) Draw the structure of a soap molecule.

Lukis struktur molekul sabun.

[1 markah]

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(f) Diagram 7.1 shows a cloth dirtied by grease.

Rajah 7.1 menunjukkan kain yang dikotori oleh gris.

Diagram 7.1

Rajah 7.1

Draw the cleansing action of the soap molecule on grease in Diagram 7.1.

Lukis tindakan pencucian molekul sabun ke atas gris pada Rajah 7.1

[1 markah]

8 Diagram 8 shows the polymer structure of two different types of plastic P and Q.

Rajah 8 menunjukkan struktur dua jenis plastik P dan Q.

Rajah 8

(a) State the type of plastic P and plastic Q.

Nyatakan jenis plastik P dan Plastik Q.

(i) Plastic P :

Plastik P : ................................................................................................................. .........................

[1 markah]

(ii) Plastic Q :

Plastik Q : .........................................................................................................................................

[1 markah]

(b) (i) Which type of plastic cannot be remoulded more than once?

Manakah jenis plastik yang tidak boleh diacu lebih dari sekali?

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

[1 markah]

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(ii) Give one reason for your answer in (b)(i).

Beri satu sebab bagi jawapan anda di (b)(i).

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

[1 markah]

(c) Mark (√) the objects which are made of plastic Q.

Tanda (√) bagi objek-objek yang diperbuat daripada plastik Q.

[1 markah]

(d) State onecorrect way to dispose of the plastic materials to preserve the environment.

Nyatakan satu cara yang betul untuk melupuskan bahan plastic bagi pemeliharaan alam sekitar.

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

[1 markah]

9 Diagram 9.1 shows a block diagram of a radio transmission system.

Rajah 9.1 menunjukkan rajah blok bagi satu sistem pemancar radio.

(a) What is the function of electrical oscillator?

Apakah fungsi pengayun elektrik?

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

[1 markah]

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(b) What is M?

Apakah M?

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

[1 markah]

(c) What change in energy occurs at microphone?

Apakah perubahan tenaga yang berlaku di mikrofon?

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

[1 markah]

(d) Diagram 9.2 shows a symbol of an electronic component.

Rajah 9.2 menunjukkan simbol suatu komponen elektronik.

(i) Name the electronic component.

Namakan komponen elektronik itu.

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

[1 markah]

(ii) What is the function of this electronic component?

Apakah fungsi komponen elektronik ini?

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

[1 markah]

(e) Draw the shape of a wave produced by M.

Lukiskan bentuk gelombang yang dihasilkan oleh M.

[1 markah]

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Bahagian C

[20 marks]

Answer Question 10 and either Question 11 or Question 12

Jawab Soalan 10 dan sama ada Soalan 11 atau Soalan 12

10 Study the following situation:

Kaji situasi berikut:

(a) Suggest one hypothesis to investigate the above situation. [1 markah]

Cadangkan satu hipotesis untuk menyiasat situasi di atas.

(b) Using two tins with the same size, sand , string and other apparatus, describe one experiment to test

your hypothesis in 10 (a).

Menggunakan dua tin yang sama saiz, pasir, tali dan radas lain, huraikan satu eksperimen

untuk menguji hipotesis anda di 10 (a).

[9 markah]

JAWAPAN NOMBOR 10

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Pada cuti hari Malaysia keluarga En Karim membuat aktiviti keluarga dengan pergi membeli

belah di pasaraya Tesco. Semua barang yang yang hendak dibeli dimasukkan ke dalam troli

pasaraya tersebut. Anaknya mendapati troli yang penuh dengan barangan lebih sukar ditolak

berbanding troli yang sedikit atau tiada barangan.

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11 (a) State two differences between continous variation and discontinuos variation. Give one example of

each type of variation

Nyatakan dua perbezaan di antara variasi selanjar dan variasi tidak selanjar. Berikan satu contoh bagi

setiap jenis variasi

[4 markah]

((bb)) DDiiaaggrraamm 1100 sshhoowwss tthhee cceellll ddiivviissiioonn tthhaatt ppllaacceess iinn tthhee bbooddyy ppaarrttss ooff aa ssttuuddeenntt..

Rajah 10 menunjukkan pembahagian sel yang berlaku di dalam bahagian badan seorang murid.

DDiiaaggrraamm 1100

RRaajjaahh 1100

Study the information in Diagram 10 and construct the concept of mitosis.

Kaji maklumat dalam Rajah 10 dan bina konsep mitosis.

[6 markah]

JAWAPAN NOMBOR 11

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Cell division

Pembahagian sel

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12 (a) Sate two sources and two effects of ozone depletion. [4 marks]

Nyatakan dua punca penipisan lapisan ozon dan dua kesannya.

(b) According to the Environment Departments, statistics, the temperature in major cities like Kuala

Lumpur, Georetown and Johor Bharu have increased year to year due to global warning.

Mengikut sumber statistik Jabatan Alam Sekitar, suhu di bandar-bandar utama seperti Kuala Lumpur,

Georgetown dan Johor Bahru didapati telah meningkat dari tahun ke tahun disebabkan oleh

pemanasan global.

Explain how the problem can be solved.

Terangkan bagaimana masalah ini boleh diatasi.

JAWAPAN NOMBOR 12

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SULIT 1511 / 2

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END OF QUESTION PAPER KERTAS SOALAN TAMAT

SULIT 1511 / 2

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