Pmr Percubaan 2009 Sabah Science

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NAMA : ________________________ NO. K/P : ________________________ KELAS : ________________________ SULIT

JABATAN PELAJARAN NEGERI SABAH

PENILAIAN MENENGAH RENDAH 2009 SCIENCE Kertas 1

55/1

August 2009 1 Jam

Satu jam

JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU

Maklumat Untuk Calon 1. 2. 3. 4. 5. 6. 7.

Kertas soalan ini mengandungi 40 soalan. Jawab semua soalan. Jawab dengan menghitamkan ruangan yang betul pada kertas jawapan. Hitamkan satu ruangan sahaja bagi setiap soalan. Sekiranya anda hendak menukarkan jawapan, padamkan tanda yang telah dibuat dan hitamkan jawapan yang baru. Rajah yang mengiringi soalan tidak dilukiskan mengikut skala kecuali dinyatakan. Anda dibenarkan menggunakan kalkulator saintifik yang tidak boleh diprogram.

Kertas soalan ini mengandungi 20 halaman bercetak.

[Lihat sebelah] 55/1 © 2008 Hak Cipta Jabatan Pelajaran Sabah

1

INFORMATION FOR CANDIDATES MAKLUMAT UNTUK CALON

1. This question paper consists of 40 questions. Kertas soalan ini mengandungi 40 soalan. 2. Answer all questions. Jawab semua soalan. 3. Each question is followed by four alternative answers A, B, C or D. For each question, choose one answer only. Blacken your answer on the objective answer sheet provided. Tiap-tiap soalan diikuti oleh empat pilihan jawapan, iaitu A, B, C dan D. Bagi setiap soalan, pilih satu jawapan sahaja. Hitamkan jawapan anda pada kertas jawapan objektif yang disediakan.

4. If you wish to change your answer, erase the blackened mark that you have made. Then blacken the new answer. Jika anda hendak menukar jawapan, padamkan tanda yang telah dibuat. Kemudian hitamkan jawapan yang baru.

5. The diagram in the questions provided are not drawn to scale unless stated. Rajah yang mengiringi soalan tidak dilukis mengikut skala kecuali dinyatakan.

6. You may use a non-programmable scientific calculator. Anda dibenarkan menggunakan kalkulator saintifik yang tidak boleh diprogram.

2

1

Which of the following represents the SI unit for temperature and electric current? Antara berikut, yang manakah mewakili unit SI bagi suhu dan arus elektrik?

A B C D

2

Temperature Electric current Suhu Arus electrik 0 C A 0 C V K A 0 F V

Diagram 1 shows four cells found in the human body. Rajah 1 menunjukkan empat sel yang terdapat dalam badan manusia

W

X

Y

Z

Diagram 1 Rajah 1 Which cells are involved in the process of reproduction? Sel-sel yang manakah terlibat dalam proses pembiakan?

3

A

W and X W dan X

B

Y and Z Y dan Z

C

X and Y X dan Y

D

W and Z W dan Z

Diagram 2 shows the classification of matter. Rajah 2 menunjukkan pengelasan jirim. Matter Jirim

Diagram 2 Rajah 2

Solid Pepejal

Liquid Cecair

P

3

Which of the following is true about P? Antara berikut, yang manakah benar mengenai P? A B C D

4

It has a definite volume. Ia mempunyai isipadu yang tetap. It has a definite shape. Ia mempunyai bentuk yang tetap. Its particles move freely at random. Zarah-zarahnya bergerak bebas secara rawak. The force of attraction between its particles is very strong. Daya tarikan antara zarah- zarahnya adalah sangat kuat.

Diagram 3 shows a human activity. Rajah 3 menunjukkan satu aktiviti manusia.

Diagram 3 Rajah 3 Which of the following shows the negative effect of this activity? Antara berikut, yang manakah menunjukkan kesan negatif bagi aktiviti ini? A B C D

5

Reduces the pests Mengurangkan perosak Increases the yield Menambahkan hasil Causes soil erosion Menyebabkan hakisan tanah Pollutes the soil and air Mencemarkan tanah dan udara

Which of the following are the ways to preserve and conserve Earth’s resources? Antara berikut, yang manakah cara-cara untuk memelihara dan memulihara sumber Bumi?

I

Recyling substances Kitar semula bahan II Keeping forest reserves Memelihara hutan simpanan III Using Chlorofluorocarbon- free products Menggunakan produk bebas Kloroflorokarbon 4

A B C D

6

I and II only I dan II sahaja I and III only I dan III sahaja II and III only I dan III sahaja I, II and III I, II dan III

Which of the following percentage of composition of gases in the air is correct? Antara berikut, yang manakah peratus komposisi gas di udara yang betul ?

A B C D 7

Gas Gas Carbon dioxide Karbon dioksida Inert gases Gas nadir Oxygen Oksigen Nitrogen Nitrogen

Percentage (%) Peratus 0.3 0.97 16 87

The information below describes the characteristics of gas X. Maklumat berikut menerangkan ciri-ciri gas X.  

Gas X turns limewater cloudy Gas X mengeruhkan air kapur Gas X is acidic. Gas X adalah berasid.

Which of the following proces needs gasX ? Antara berikut, proses yang manakah memerlukan gas X? A Decaying Pereputan B Respiration Respirasi 8

C Combustion Pembakaran D Photosynthesis Fotosintesis

The following equation shows the process of combustion. Persamaan berikut menunjukkan proses pembakaran. Combustion Pembakaran Carbon Karbon

+ P + P

Q Q

+ light energy + R + Tenaga cahaya + R

What are P ,Q and R? Apakah P, Q dan R ? 5

A B C D 9

P

Q

R

Oxygen Oksigen Oxygen Oksigen Carbon dioxide Karbon dioksida Carbon dioxide Karbon dioksida

Heat energy Tenaga haba Chemical energy Tenaga kimia Heat energy Tenaga haba Water vapour Wap air

Carbon dioxide Karbon dioksida Carbon dioxide Karbon dioksida Oxygen Oksigen Oxygen Oksigen

Which of the following forms of energy increases when water is evaporated? Antara bentuk tenaga berikut, yang manakah akan meningkat apabila air disejat? A Solar energy Tenaga suria B Kinetic energy Tenaga kinetik

10

C D

Heat energy Tenaga haba Chemical energy Tenaga kimia

Diagram 4 shows the condition of a bimetallic strip after being heated. Rajah 4 menunjukkan keadaan jalur dwilogam selepas dipanaskan.

Diagram 4 Rajah 4 Which of the following explain the observation in Diagram 4 ? Antara berikut, yang manakah menerangkan pemerhatian pada Rajah 4 ? A B C D

11

Metal P is hotter than metal Q Logam P lebih panas daripada logam Q. Metal Q is hotter than metal P Logam Q lebih panas daripada logam P Metal P expands more than metal Q Logam P mengembang lebih daripada logam Q Metal Q expands more than metal P Logam Q mengembang lebih daripada logam P

The diagram 5 shows a cross-section of a human skin Rajah 5 menunjukkan keratan rentas kulit manusia.

Diagram 5 Rajah 5

6

Which of the parts labelled A, B, C or D, is most sensitive to pain? Bahagian manakah yang berlabel A, B, C atau D lebih peka kepada kesakitan? 12

Which of the following instruments can help humans overcome hearing limitations and hearing defects? Antara alat berikut, yang manakah boleh membantu mengatasi had pendengaran dan kecacatan pendengaran? I

Stethoscopes Stetoskop II Hearing aids Alat bantuan pendengaran III Microphones Mikrofon IV Loudspeakers Pembesar suara A I and II only I dan II sahaja B III and IV only III dan IV sahaja C I, II and III only I, II dan III sahaja D I, II, III and IV I, II, III dan IV 13

Table 1 shows the results of a food tests carried out on a food sample. Jadual 1 menunjukkan keputusan ujian makanan ke atas satu sampel makanan Food test Ujian makanan Iodine test Ujian iodine Millon’s test Ujian Millon Benedict’s test Ujian Benedict

Result Keputusan No change Tiada perubahan No change Tiada perubahan Brick-red precipitate Mendakan merah bata

Table 1 Jadual 1 Which of the following is present in the food sample tested? Antara berikut kelas makanan yang manakah hadir dalam makanan yang diuji? A B C D

Fat Lemak Fibre Serat Glucose Glukos Protein Protein 7

14

A group of organisms from the same species living in a particular area is called Sekumpulan organism dari spesies yang sama, tinggal dalam kawasan tertentu dinamakan A. habitat habitat B. ecosystem ekosistem C. population populasi D. community komuniti

15

Diagram 6 shows a food web. Rajah 6 menunjukkan satu siratan makanan

Leaves Daun Caterpillar Ulat beluncas BBeBelunca Bird Burung

Chicken Ayam

Lizard Cicak

Eagle Helang Diagram 6 Rajah 6 What is the interaction between the bird, chicken and lizard? Apakah interaksi antara burung, ayam dan cicak? A. B. C. D.

Parasitism Parasitisme Competition Persaingan Prey-predator Mangsa-Pemangsa Commensalism Komensalisme

8

16

Diagram 7 Rajah 7 Diagram 7 shows a food web. How many food chains are there in the above food web? Rajah 7 menunjukkan satu siratan makanan. Berapakah rantai makanan yang terdapat pada siratan makanan di atas? A 1 B 2 17

C D

3 4

Diagram 8 shows the relationship between a few components in the living process of plants. Rajah 8 menunjukkan hubungan antara beberapa komponen dalam proses kehidupan tumbuhan. Light Cahaya

Mineral salt Garam mineral

Plants Tumbuhan

Water Air

Oxygen Oksigen

Carbon dioxide Karbon dioksida

Diagram 8 Rajah 8 Which of the following will not happen if the plants are destroyed? Antara berikut, yang manakah tidak akan berlaku jika tumbuhan dimusnahkan? A The temperature of the earth increases Suhu bumi bertambah B The oxygen composition increases Komposisi oksigen bertambah C The amount of mineral salts increases Kuantiti garam mineral bertambah D The carbon dioxide composition increases Komposisi karbon dioksida bertambah. 9

18

Diagram 9 Rajah 9 Diagram 9 shows an experiment on electrolysis of water. Gas X is Rajah 9 menunjukkan eksperimen elektrolisis air. Gas X ialah A oxygen oksigen B hydrogen hidrogen C carbon dioxide karbon dioksida D sulphur dioxide sulfur dioksida. 19

Table 2 shows the pH values of materials X, Y and Z. Jadual 2 menunjukkan nilai pH bahan-bahan X, Y dan Z. Material Bahan

pH value Nilai pH

X

5

Y

7

Z

8 Table 2 Jadual 2

Which of the following represent materials X, Y and Z? Antara berikut, yang manakah mewakili bahan-bahan X, Y dan Z?

A B C D

X Vinegar Cuka Vinegar Cuka Toothpaste Ubat gigi Water Air

Y Toothpaste Ubat gigi Water Air Vinegar Cuka Vinegar Cuka 10

Z Water Air Toothpaste Ubat gigi Water Air Toothpaste Ubat gigi

20

Table 3 shows the functions of chemical Q, R, and S. These chemicals are added in the process of water purification. Jadual 3 menunjukkan fungsi bagi bahan kimia Q, R dan S yang dicampurkan semasa proses pembersihan air.

Chemical Bahan Kimia Q R

S

Function Fungsi Kills the bacteria in the water Membunuh bakteria dalam air Prevents tooth decay Mencegah pereputan gigi Makes the suspended particles to settle to the bottom Memendapkan zarah-zarah terampai Table 3 Jadual 3

Which of the following is true about chemicals Q, R and S? Antara berikut, yang manakah benar tentang bahan kimia Q, R dan S?

A B C D

21

Q Fluoride Fluorida Fluoride Fluorida Chlorine Klorin Chlorine Klorin

R Chlorine Klorin Alum Alum Alum Alum Fluoride Fluorida

S Alum Alum Chlorine Klorin Fluoride Fluorida Alum Alum

Which of the following statements explain the kinetic theory of gases? Antara pernyataan berikut, yang manakah menerangkan Teori Kinetik Gas? A Movement of gas particles follows a specific pattern. Pergerakan zarah gas adalah mengikut corak tertentu. B Air pressure is caused by movement of the air particles. Tekanan udara adalah disebabkan oleh pergerakan zarah udara. C Collision of the gas particles with the wall of container exerts pressure. Perlanggaran zarah gas dengan dinding bekas menghasilkan tekanan. D The number of air particles increases when the temperature increases. Bilangan zarah udara bertambah apabila suhu meningkat.

11

22

Diagram 10 shows a U tube. Rajah 10 menunjukkan tiub U

Diagram 10 Rajah 10 When the piston is pulled upward, the level of water at P moves up. Why ? Apabila omboh ditarik ke atas, paras air di P bergerak ke atas. Kenapa? A B C D 23

The air pressure at X is the same as the air pressure at Y Tekanan udara di X sama dengan tekanan udara di Y The air pressure at Z is the same as the air pressure at X Tekanan udara di Z sama dengan tekanan udara di X The air pressure at X is higher than the air pressure at Y Tekanan udara di X lebih tinggi daripada tekanan udara di Y The air pressure at Z is higher than the air pressure at Y

Below is the information about friction. Berikut adalah pernyataan berkaitan geseran. A layer of air that exists between the two surfaces helps to reduce friction Lapisan udara yang wujud di antara dua permukaan membantu mengurangkan geseran

Which of the following uses the principle mentioned above? Antara berikut, yang manakah menggunakan prinsip di atas? I II III

A B C D

Air pack Pak udara Hovercraft Hoverkraf Ball bearings Galas Bebola I, II and III I, II dan III I and II only I dan II sahaja II and III only II dan III sahaja I only I sahaja 12

24

An earthworm maintains its body shape because its body fluid exerts pressure outwards. This support system is called Cacing tanah mengekalkan bentuk badan disebabkan bendalir badannya menghasilkan tekanan ke arah luar. Sistem sokongan ini dinamakan A water upthrust daya apungan B exoskeleton rangka luar C endoskeleton rangka dalam D hydrostatic skeleton rangka hidrostatik

25

Diagram 11 shows a balanced lever system. Azmi with a mass of 50 kg sits at position S and Ali sits at position R. Rajah 11 menunjukkan sebuah sistem tuas yang seimbang. Azmi yang berjisim 50 kg berada di kedudukan S dan Ali pula berada di R.. S

R 1.0 m

1.5 m

Diagram 11 Rajah 11 What is the weight of Ali? Berapakah berat Ali? A B C D 26

500 N 700 N 750 N 850 N

Diagram 12 shows a type of lever. Rajah 12 menunjukkan sejenis tuas. Fishing rod Joran

Diagram 12 Rajah 12 13

Which of the following devices can be classified in the same class as the lever in Diagram 12? Antara peralatan berikut, yang manakah sama kelas dengan tuas dalam Rajah 12?

27

B

C

D

How is oxygen from the lungs transported to every cell in our body? Bagaimanakah oksigen dari peparu diangkut ke setiap sel dalam badan kita? A B C D

28

A

It is transported by the white blood cells Ia diangkut oleh sel darah putih It is transported by the platelets Ia diangkut oleh platlet It is transported in the form of carboxyhaemoglobin Ia diangkut dalam bentuk karboksihaemoglobin It is transported in the form of oxyhaemoglobin in red blood cells Ia diangkut dalam bentuk oksihaemoglobin dalam sel darah merah

In the electric circuit shown in Diagram 13, what is the voltmeter reading if the ammeter records 4 A? Berdasarkan litar elektrik yang ditunjukkan pada Rajah 13, apakah bacaan voltmeter jika ammeter merekod 4 A?

Diagram 13 Rajah 13 A C

4V 16 V

B D 14

8V 20 V

29

Diagram 14 shows the cross section of the human heart. R and S are blood vessels in the heart. Rajah 14 menunjukkan keratan rentas jantung manusia. R and S adalah salur darah pada jantung.

R S

Diagram 14

Rajah 14 Which of the following represents R and S? Antara berikut, yang manakah mewakili R dan S?

A

B

C

D

30

R Aorta which carries deoxygenated blood Aorta yang membawa darah terdeoksigen Vena cava which carries deoxygenated blood Vena kava yang membawa darah terdeoksigen Pulmonary artery which carries oxygenated blood Arteri pulmonari yang membawa darah beroksigen Pulmonary vein which carries oxygenated blood Vena pulmonari yang membawa darah beroksigen

S Pulmonary artery which carries oxygenated blood Arteri pulmonari yang membawa darah beroksigen Pulmonary vein which carries oxygenated blood Vena pulmonari yang membawa darah beroksigen Aorta which carries deoxygenated blood Aorta yang membawa darah terdeoksigen Vena cava which carries deoxygenated blood Vena kava yang membawa darah terdeoksigen

Table 4 shows the blood groups of four students. Jadual 4 menunjukkan kumpulan darah bagi empat orang murid. Student Murid J K L M

Blood group Kumpulan darah A B AB O Table 4 Jadual 4

15

Student Y with blood group O needs a blood transfusion. Which of the following students can donate blood to student Y? Murid Y yang mempunyai kumpulan darah O memerlukan pemindahan darah. Antara murid berikut, yang manakah boleh mendermakan darah kepada murid Y? A B C D

31

M only M sahaja K and L only K dan L sahaja K, L dan M only K, L dan M sahaja J, K, L and M J, K, L dan M

Diagram 14 shows a longitudinal section of the kidney. Rajah 14 menunjukkan keratan membujur buah pinggang.

Diagram 14 Rajah 14 The function of the part labeled R is… Fungsi bahagian berlabel R adalah... A B C D

transport urine to the urinary bladder Mengangkut air kencing ke pundi kencing transport blood from the kidney Mengangkut darah daripada buah pinggang transport blood to the kidney Mengangkut darah ke buah pinggang control the amount of water and mineral salts in the body Mengawal jumlah air dan garam mineral dalam badan

16

32

Magnesium + oxygen → P Magnesium + oksigen → P

The equation above shows the reaction between magnesium and oxygen. What is product P ? Persamaan di atas menunjukkan tindak balas di antara magnesium dengan oksigen. Apakah hasil P? A B C D

33

Magnesium chloride Magnesium klorida Magnesium sulphide Magnesium sulfida Magnesium oxide Magnesium oksida Magnesium carbonate Magnesium karbonat

Diagram 15 shows potassium permanganate being heated until the iron filings glow. Rajah 15 menunjukkan kalium permanganat dipanaskan sehingga serbuk besi menyala.

Diagram 15 Rajah 15 Which of the following equations represents the reaction that occurs? Antara berikut, yang manakah persamaan menunjukkan tindakbalas yang berlaku? A B C D

Iron + Besi + Iron + Besi + Iron + Besi + Iron + Besi +

sulphur sulfur oxygen oksigen oxygen oksigen oxygen oksigen

→ → → → → → → →

iron sulphide besi sulfida iron oxide besi oksida iron dioxide besi dioksida iron carbonate besi karbonat

17

34

The ammeter reading in the circuit shown in Diagram 16 is 4 A. The voltmeter reading is 8V. Bacaan ammeter dalam litar pada Rajah 16 ialah 4 A. Bacaan voltmeter ialah 8 V.

Diagram 16 Rajah 16 The resistance of the bulb is Rintangan mentol itu ialah A C

35

2Ω 4Ω

B D

3Ω 5Ω

The graph in Diagram 17 shows relationship of voltage and current. Graf pada Rajah 17 menunjukkan hubungan antara voltan dan arus. Voltage

Diagram 17 Rajah 17 What does the gradient of the graph reperesent? Apakah yang diwakili oleh kecerunan graf ? A B C D

Voltage across the conductor. Voltan merentasi konduktor. Resistance of the conductor. Rintangan konduktor. Rate of flow of electron. Kadar aliran elektron. Flow of current in the conductor. Aliran arus dalam konduktor. 18

Current

36

The circuit in Diagram 18, consists of four bulbs which are lighted. Litar pada Rajah 18 mempunyai empat biji mentol yang menyala.

Diagram 18 Rajah 18 Which of the bulbs A, B, C or D, if disconnected will cause all the other bulbs not to light up? Antara mentol A, B, C dan D, yang manakah apabila ditanggalkan akan menyebabkan mentol-mentol yang lain tidak menyala?

37

Which of the following shows the correct patterns of magnetic field? Antara berikut, yang manakah menunjukkan corak medan magnet yang betul?

A

C

B

D

19

38

If the voltage of the dry cells is 4.0 V, what is the ammeter reading in the circuit shown in Diagram 19? Jika voltan sel kering ialah 4.0 V, apakah bacaan ammeter dalam litar yang ditunjukkan pada Rajah 19 ?

Diagram 19 Rajah 19

A B

39

C D

3A 4A

Which of the following generators use steam turbines to generate electrical energy ? Antara penjana berikut, yang manakah menggunakan turbin stim untuk menjanakan tenaga elektrik ? I III

A B

40

1A 2A

Thermal generator Penjana terma Nuclear power station Penjana kuasa nuklear

II

Diesel generator Penjana diesel

I and II only I dan II sahaja I and III only I dan III sahaja

C

II and III only II dan III sahaja I, II and III I,II dan III

D

A 2.0 kW kettle is used to boil water for one hour. If the cost of electrical energy is RM0. 20 per unit. What is the cost of electrical energy used ? Sebuah cerek elektrik 2.0 kW digunakan untuk mendidihkan air selama satu jam. Jika kos tenaga elektrik ialah RM0.20 seunit, kira kos tenaga elektrik yang digunakan. A

RM0.40

C

RM0.10

B

RM0.20

D

RM0.05

20

Marking Scheme Excel 2 Science PMR Paper 1 2009 Question

Answer

Question

Answer

1

C

21

C

2

C

22

D

3

C

23

B

4

D

24

D

5

D

25

C

6

B

26

A

7

D

27

D

8

A

28

C

9

B

29

B

10

D

30

A

11

A

31

A

12

D

32

C

13

C

33

B

14

C

34

A

15

B

35

B

16

D

36

A

17

B

37

A

18

A

38

D

19

B

39

B

20

D

40

A

21

KOORDINATOR DATIN AZIZAH AHMAD PENYELIA AKADEMIK UNIT SAINS MENENGAH SEKTOR PENGURUSAN AKADEMIK

PANEL PENGGUBAL 1.

En. Zaki bin Ahmad

SM Tinggi K.Kinabalu (Leader)

2.

Pn. Juvita Ompion

SMK Bundu Tuhan, Ranau

3.

En. Mohd Asrul Pasok Abdullah

SMK Benoni, Papar

4.

Pn. Noreha Mohd. Yassin

SMK Badin, Tuaran

5.

Pn Chong Pik Yen

SMK Datuk Peter Mojuntin, Penampang

6.

En. Surahman Salim

SMK Benoni, Papar.

7.

Pn. Normaya Bt Misrin

SMK Beaufort, Beaufort.

8.

Pn. Kamisah Bt Liudin

SMK Kolombong, K Kinabalu.

9.

Pn. Hemi Asminda Bt Yahya

SM Stella Maris, K Kinabalu.

10.

En Elip Lipun

SMK Bundu Tuhan, Ranau

11.

Low See Hon

SMK Bundu Tuhan, Ranau.

12.

Soon Ewe Chin

SMK Kinabutan, Tawau

13.

Siti Faridah Ismail

SMK Kota Klias, Beaufort

14.

Hajwani Hanapi

SMK Nambayan, Tambunan

15.

Justina Simon

SM St. Paul Beaufort

22

NAMA :

__________________________

NO. K/P :

__________________________

KELAS :

__________________________

SULIT

JABATAN PELAJARAN NEGERI SABAH

PENILAIAN MENENGAH RENDAH 2009 SCIENCE Kertas 2 August 2009

55/2

1 Jam 30 minit

Satu jam tiga puluh minit

JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU Kegunaan Pemeriksa

1. Tulis nama, nombor kad pengenalan dan kelas anda pada ruangan 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.

Kod Pemeriksa :

Bahagian

A

B

Soalan

Markah Penuh

1 2 3 4 5 6 7 8

6 6 8 6 8 6 8 12

Jumlah

Markah Diperoleh

60

Kertas soalan ini mengandungi 20 halaman bercetak.

55/2 © 2008 Hak Cipta Jabatan Pelajaran Sabah

SULIT

1

INFORMATION FOR CANDIDATES MAKLUMAT UNTUK CALON 1. This question paper consists of two sections : Section A and Section B. Kertas soalan ini mengandungi dua bahagian : Bahagian A dan Bahagian B. 2. Answer all questions in both sections. Jawab semua soalah dalam kedua-dua bahagian. 3. Write your answers in the spaces provided in the question paper. Jawapan anda hendaklah ditulis pada ruang yang disediakan dalam kertas soalan ini. 4. Show your working, it may help you to get marks. Tunjukkan kerja mengira, ini membantu anda mendapat markah. 5. If you wish to change your answer, cross out the answer that you have done. Then write down the new answer. Jika anda hendak menukar jawapan, batalkan jawapan yang telah dibuat. Kemudian tulis jawapan yang baru. 6. The diagrams in the questions provided are not drawn to scale unless stated. Rajah yang mengiringi soalan tidak dilukis mengikut skala kecuali dinyatakan. 7. Marks allocated for each question or part question are shown in brackets. Markah yang diperuntukkan bagi setiap soalan atau ceraian soalan ditunjukkan dalam kurungan. 8. You may use a non-programmable scientific calculator. Anda dibenarkan menggunakan kalkulator saintifik yang tidak boleh diprogram. 9. Hand in this question paper to the invigilator at the end of the examination. Serahkan kertas soalan ini kepada pengawas peperiksaan pada akhir peperiksaan.

2

For Examiner’s use

Section A Bahagian A [40 marks] [40 markah] Answer all questions Jawab semua soalan

1. Diagram 1 shows pictures illustrating forms of energy. Rajah 1 menunjukkan gambar-gambar mengilustrasi bentuk tenaga.

Picture 1 Gambar 1

Picture 2 Gambar 2

Picture 3 Gambar 3

Diagram 1 Rajah 1 (a) On Diagram 1, label the forms of energy using the following words: Pada rajah 1, labelkan bentuk tenaga menggunakan perkataan di bawah:

Chemical energy Tenaga Kimia

Sound energy Tenaga Bunyi

Kinetic energy Tenaga Kinetik

1(a) [3 marks] [3 markah]

3

3

(b) Draw lines to match the form of energy to its situation. Lukis garisan untuk memadankan bentuk tenaga dengan situasinya.

Form of Energy Bentuk Tenaga

Situation Situasi

A spinning top Gasing yang berputar A flying bird Burung yang sedang terbang Kinetic energy Tenaga kinetik A stretched spring Spring yang meregang A Falling Coconut Buah kelapa yang sedang jatuh

1(b) 2

[2 marks] [2 markah]

(c)

State the primary source of energy on earth? Nyatakan sumber utama tenaga di bumi?

1(c)

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

1

[1 mark] [1 markah]

Total 6

4

2. Diagram 2.1 shows two potted plants that was placed in the dark for two days. The apparatus was then placed under the sun for a few hours. A leaf from each plant was then plucked and tested for starch. Rajah 2.1 menunjukkan dua tumbuhan dalam pasu diletakkan di tempat gelap selama dua hari. Radas itu kemudian didedahkan kepada cahaya matahari untuk beberapa jam. Sehelai daun dari setiap tumbuhan dipetik untuk menguji kehadiran kanji.

A

B Diagram 2.1 Rajah 2.1

(a) State the aim of the experiment in Diagram 2.1? Nyatakan tujuan ekperimen pada Rajah 2.1? ……………………………………………………………………………………

2(a) [1 mark] [1 markah]

1 (b) The two plants were placed in the dark for two days before carrying out the experiment. Why? Kedua-dua tumbuhan diletakkan di tempat gelap selama dua hari sebelum eksperimen itu dijalankan. Mengapa? …………………………………………………………………………………………… [1 mark] [1 markah]

2(b) 1

5

(c) What is the function of potassium hydroxide solution in bell jar B? Apakah fungsi larutan kalium hidroksida dalam balang kaca B?

2(c)

…………………………………………………………………………………………….. [1 mark] [1 markah]

1

(d) Record your observations in Table 2.2 after the leaves were tested for the presence of starch. Rekod pemerhatian anda dalam Jadual 2.2 selepas daun-daun itu diuji untuk kehadiran kanji.

Test for starch Ujian Untuk Kanji Leaf from bell jar A Daun dari baling kaca A Leaf from bell jar B Daun dari baling kaca B

Colour of iodine Warna iodine

2(d)

Table 2.2 Jadual 2.2 [2 marks] [2 markah]

2

(e) Complete the word equation for photosynthesis. Lengkapkan persamaan dalam perkataan untuk fotosintesis

Sunlight cahaya matahari _____________ + water air

_________ +

Oxygen Oksigen

Chlorophyll Klorofil

2(e) [1 mark] [1 markah]

1

Total 6

6

3. Diagram 3.1 shows three situations A, B and C. Rajah 3.1 menunjukkan tiga situasi A, B dan C.

A

B

C

Diagram 3.1 Rajah 3.1

(a) Based on Diagram 3.1, state the situation where... Berdasarkan rajah 3.1, nyatakan situasi di mana... (i)

work is done kerja dilakukan ……………………………………………………………………………

3(a)(i) [ 1 mark ] [1 markah]

1 (ii)

no work is done. tiada kerja dilakukan. ……………………………………………………………………………………… [ 1 mark ] [1 markah]

(iii)

3(a)(ii) 1

Give one reason for the answer in 3(a)(ii). Beri satu sebab bagi jawapan di 3(a)(ii). ………………………………………………………………………………………

3(a)(iii) [ 1 mark ] [1 markah]

1

7

(b) Diagram 3.2 shows a student dragging his luggage through a distance of 3.0 m with a force of 60 N. Rajah 3.2 menunjukkan seorang pelajar mengheret beg sejauh 3.0 m dengan menggunakan daya 60 N.

3.0 m

Diagram 3.2 Rajah 3.2 (i) Is the student considered doing work? Explain Adakah pelajar itu dikatakan melakukan kerja? Terangkan. ………………………………………………………………………………… [2 marks] [2 markah] (ii) Write the formula for work: Tuliskan rumus untuk kerja

3(b)(i) 2

[1 mark] [1 markah]

3(b)(ii) 1

(iii) Calculate the work done by the student. Kirakan kerja yang dilakukan oleh pelajar itu.

[2 marks] [2 markah]

3(b)(iii 2 Total 8

8

4. Diagram 4.1 shows two ladders, P and Q. Rajah 4.1 menunjukkan dua tangga, P dan Q.

Diagram 4.1 Rajah 4.1 (a) (i) Which ladder is more stable? Tangga yang manakah lebih stabil ? …..…………………………………………………………………………….. [1 mark] [1 markah] (ii) Give one reason for the answer in 4(a)(i). Berikan satu sebab bagi jawapan di 4(a)(i).

4(a)(i) 1

………………………………………………………………………………... [1 mark] [1 markah]

4(a)(ii) 1

(b) State two factors that affect stability of the ladders. Nyatakan dua faktor yang mempengaruhi kestabilan meja itu. 1. ……………………………………………………………… 2. ……………………………………………………………… [2 marks] [2 markah]

4(b) 2

9

(c) Diagram 4.2 shows three vehicles Rajah 4.2 menunjukkan tiga kenderaan.

Sedan car Kereta sedan

Racing car Kereta lumba

School bus Bas sekolah

Diagram 4.2 Rajah 4.2 (i) Which vehicle in Diagram 4.2 is the least stable? Kenderaan yang manakah pada Rajah 4.2 paling kurang stabil? ……………………………………………………………………………………… [1 mark] [1 markah]

4(c)(i) 1

(ii) Why is a racing car more stable than a sedan car? Mengapakah kereta lumba lebih stabil daripada kereta sedan? ……………………………………………………………………………………... ……………………………………………………………………………………...

4(c)(ii) [1 mark] [1 markah]

1

Total 6

10

5

Diagram 5 indicates the pH of rain that falls on an industrial area. Rajah 5 menunjukkan nilai pH hujan yang turun di satu kawasan perindustrian.

Diagram 5 Rajah 5 (a) Based on Diagram 5, state whether the rain that falls on all areas are acidic, neutral or alkaline. Berdasarkan Rajah 5, nyatakan sama ada hujan yang turun di semua kawasan adalah berasid, neutral atau beralkali. .........................................................................................................................................

5(a)

[1 mark] [1 markah]

1 (b) What is the effect of the rainwater in area D on blue litmus paper? Apakah kesan air hujan di kawasan D ke atas kertas litmus biru? ......................................................................................................................................... [1 mark] [1 markah] (c) What happen to the iron structures such as bridges and cars in area A? Give one reason to explain this phenomenon. Apa yang berlaku kepada struktur-struktur besi seperti jambatan dan kereta di kawasan A? Berikan satu sebab yang menerangkan fenomena ini.

5(b) 1

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

5(c)

[2 marks] [2 markah]

2

11

(d) The rubber trees in area A do not grow healthily due to the low pH value of the soil. Suggest one way to increase the pH value of the soil. Pokok getah di kawasan A tidak tumbuh dengan subur disebabkan nilai pH tanah adalah rendah. Cadangkan satu cara untuk meningkatkan nilai pH tanah tersebut. ......................................................................................................................................... .........................................................................................................................................

5(d)

[1 mark] [1 markah]

1 (e) Based on Diagram 5, rain in all areas pollute the river. Berdasarkan Rajah 5, hujan di semua kawasan menyebabkan pencemaran sungai. (i)

Predict the effect of pollution on aquatic life in the river. Ramalkan kesan pencemaran terhadap hidupan air di dalam sungai.

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

5(e)(i)

[1 mark] [1 markah]

1 (ii)

Suggest two ways to control the pollution that occurs. Cadangkan dua cara untuk mengawal pencemaran yang berlaku.

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

5(e)(ii)

[2 mark] [2 markah]

2

Total 8

12

6 Diagram 6 shows an apparatus set-up to observe the pattern of magnetic field obtained when electric current pass through a straight wire. Rajah 6 menunjukkan susunan alat radas untuk mengkaji corak medan magnet yang dihasilkan apabila arus elektrik mengalir melalui dawai lurus. Straight wire Dawai lurus Cardboard kadbod

P

Q

Diagram 6 Rajah 6 When iron fillings were scattered on the cardboard, a pattern is formed around the wire. Apabila serbuk besi ditabur di atas kadbod, satu corak terbentuk di sekeliling dawai. a) i) Draw arrows ( → ) to show the direction of the current flows through the straight wire. Lukis anak panah ( → ) untuk menunjukkan arah aliran arus melalui dawai lurus. [ 1 mark] [ 1 markah ] ii) In the box below, draw the pattern of the magnetic field. Di dalam kotak di bawah, lukiskan corak medan magnet.

6(a)(i) 1

.

[ 1 mark] [ 1 markah ]

6(a)(ii) 1

13

b) i) Based on Diagram 6, a compass can be used to determine the direction of the magnetic field. If the compass is placed on the cardboard at P and Q, draw the direction of the compass pointer in circles P and Q below. Kompas boleh digunakan untuk menentukan arah medan magnet. Jika kompas diletakkan di atas kadbod pada kedudukan P dan Q, lukiskan arah jarum kompas dalam bulatan P dan Q di bawah. P

Q

[ 2 marks ] [ 2 markah ]

6 (b)(i) 2

ii) State another method to determine the direction of magnetic field. Nyatakan satu kaedah lain untuk menentukan arah medan magnet tersebut. 6(b)(ii) ……………………………………………………………………………………………. [ 1 mark ] [ 1 markah ]

iii) What will happen to the direction of the magnetic field if the terminals are inversed? Apakah yang akan berlaku kepada arah medan magnet apabila aliran arus disongsangkan?

1

6(a)(iii 1

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

Total 6

14

Section B [ 20 marks ] [ 20 markah ] Jawab semua soalan. Answer all questions

The time suggested to complete this section is 30 minutes Masa yang dicadangkan untuk menjawab bahagian ini ialah 30 minit 7.

Diagram 7 shows a picture of flowers P, Q, R, S and T. Rajah 7 menunjukkan gambar tumbuhan P, Q, R, S dan T

P

Q

S R

Figure 7

T

Diagram 7 Rajah 7

15

Based on your observations in Diagram 7, Berdasarkan pemerhatian anda pada Rajah 7, a) State one characteristic of any four flowers P, Q, R, S and T that will determine their agent of pollination. Nyatakan satu ciri bagi mana-mana empat tumbuhan P, Q, R, S dan T yang akan menentukan agen pendebungaan bunga tersebut.

P : ...................................................................................................................................... Q : ...................................................................................................................................... R : ...................................................................................................................................... S : ...................................................................................................................................... T : ...................................................................................................................................... [4 marks] [4 markah]

7(a) 4

b) Classify P, Q, R, S and T into two groups based on their pollinating agent,. Kelaskan P, Q, R, S dan T kepada dua kumpulan berdasarkan agen pendebungaan.

P, Q, R , S, T

Pollinating agent Agen Pendebungaan

Flowers Bunga

7(b) [4 marks] [4 markah]

4 Total 8 16

8

(a) Diagram 8.1 shows an electric circuit. Rajah 8.1 menunjukkan satu litar elektrik.

(i)

(ii)

Diagram 8.1 Rajah 8.1 Based on the circuit in diagram 8.1, what happen to the bulb? Berdasarkan litar dalam Rajah 8.1, apakah yang berlaku kepada mentol? …………………………………………………………………………………………… [1 mark] [1 markah] State your inference. Nyatakan inferens anda.

8(a)(i)

…………………………………………………………………………………………….. [1 mark] [1 markah]

8(a)(ii)

1

1 (b) The apparatus set up in Diagram 8.1 was used to study the relationship between resistance and current. Susunan radas seperti dalam Rajah 8.1 digunakan untuk mengkaji hubungan antara rintangan dan arus. The procedure of experiment is as follows: Langkah eksperimen adalah seperti berikut: Step 1: Set up the circuit using the 1 Ω resistor. Langkah 1: Pasangkan litar dengan menggunakan perintang 1 Ω Step 2: Close the switch and observe the brightness of the bulb and record the ammeter reading. Langkah 2: Tutupkan suis dan perhatikan kecerahan mentol dan rekodkan bacaan ammeter. Step 3: Repeat step 2 with a 2 Ω, 5 Ω and 10 Ω resistor respectively. Langkah 3: Ulangi langkah 2 dengan menggunakan perintang 2 Ω, 5 Ω and 10 Ω.

Diagram 8.2 shows the reading of the ammeter when different resistors are connected to the

17

circuit. Rajah 8.2 menunjukkan bacaan ammeter apabila perintang yang berbeza disambungkan kepada litar.

Resistor 1 Ω Perintang 1 Ω

Resistor 2 Ω Perintang 2 Ω

Resistor 10 Ω Perintang 10 Ω

Resistor 5 Ω Perintang 5 Ω Diagram 8.2 Rajah 8.2

Complete Table 8.3 by recording the reading of the ammeter as shown in Diagram 8.2. Lengkapkan jadual 8.3 dengan merekodkan bacaan ammeter seperti yang ditunjukkan dalam rajah 8.2

Resistance (Ω) Rintangan (Ω) Ammeter reading (A) Bacaan Ammeter (A)

1

2

5

10

0.90

Table 8.3 Jadual 8.3

[2 marks] [2 markah]

(c) Based on the readings in Table 8.3, plot a graph of current, I against resistance, R..

18

Berdasarkan bacaan di dalam jadual 8.3, plotkan graf arus, I melawan rintangan, R

1.0 0.9 0.8

Current, I (A) Arus, I (A)

0.7 0.6 0.5 0.4 0.3 0.2 0.1

1

2

3

4

5

6

7

8

9

10

11

8(c) Resistance, R (Ω) Rintangan, R (Ω)

[2 marks] [2 markah]

2

(d) State the variables involved in the experiment. Nyatakan pembolehubah yang terlibat dalam eksperimen ini. Manipulated variable : Pembolehubah dimanipulasi : Responding variable : Pembolehubah Bergerakbalas : Fixed variable : Pembolehubah dimalarkan :

……………………………………………………….

……………………………………………………….

…………………………………………………..

8(d) [3 marks] [3 markah]

19

3

(e) Based on the graph in question (c), Berdasarkan graf dalam soalan (c (i) State the relationship between resistance and current. Nyatakan hubungan antara rintangan dan arus. ................................................................................................................................

8(e)(i) [1 mark]

[1 markah] 1 (ii) Predict the reading of the ammeter when the resistance is 8 Ω. Ramalkan bacaan ammeter apabila rintangan ialah 8 Ω. ........................................................................................................................................ [1 mark]

[1 markah]

8(e)(ii) 1

(f) Based on Diagram 8.2, state the operational definition of current. Berdasarkan Rajah 8.2, definisikan secara operasi arus. ........................................................................................................................................ [1 mark]

8(f)

[1 markah] 1

Total 12

END OF QUESTION KERTAS SOALAN TAMAT

20

Skema Sce PMR Trial Sabah 2009 MARKING SCHEME PAPER 2 PMR 2009 NO 1

ANSWER (a) Picture 1: Sound Energy/ Tenaga Bunyi Picture 2: Chemical Energy/ Tenaga Kimia Picture 3: Kinetic Energy/ Tenaga Kinetik (b)

MARK

3

A spinning top Gasing yang berputar

A flying bird Burung yang sedang terbang

Kinetic energy Tenaga kinetik

A stretched spring Spring yang meregang A Falling Coconut Buah kelapa yang sedang jatuh



3 correct – 2 m 3 betul – 2m



2 correct – 1 m 2 betul – 1m



1 correct – 0 m 1 betul – 0 m

2

(b) Sun/ Matahari 1 Total : 6

1

NO 2

a. b.

c.

ANSWER To investigate whether carbon dioxide is required for photosynthesis To make sure there is no starch in the leaf at the beginning of the experiment.

To absorb carbon dioxide in the air inside bell jar.

MARK 1 1

1

d. Test for starch A B

e.

Colour of iodine Iodine solution does not change colour Iodine solution changes to dark blue

2

1

carbon dioxide , glucose

Total : 6

3

(a) i. ii. iii. (b) i. ii iii

ANSWER A&C B The table does not move through a distance. Yes. Because the beg has moved through a certain distance. Work = force (N) x distance (m) Work = force (N) x distance (m) = 60 N x 3 m = 180J  Show working – 1 mark  Answer – 1 mark

MARK 1 1 1 2 1

2

Total : 8

2

NO 4

ANSWER

MARK

(a) (i) P (ii) The base area of P and Q is the same but the height of centre of gravity of P is lower. (b) 1. Height of centre of gravity 2. Base area of object (c) (i) School Bus (ii) the centre of gravity of the sport car is lower.

1 1

2 1 1 Total : 6

NO 5 ANSWER 1. (a)

ANSWER

MARK

Acidic berasid (b) The blue litmus paper becomes red Kertas litmus biru bertukar warna merah (c) The iron structures become rusty. The acidic rain is corrosive and causes the structures to rust easily Struktur besi itu berkarat. Hujan asid adalah menghakis dan menyebabkan struktur besi mudah berkarat (d) Add slaked lime to the soil Tambah kapur tohor kepada tanah (e) (i) Many aquatic life such as fishes will die Banyak hidupan air seperti ikan akan mati (ii) Treating the gases before being discharged into the air, to enforce the law Rawat gas yang dihasilkan sebelum dilepaskan ke udara, kuatkuasakan undang-undang

1 1 2

1

1

2

Accept any acceptable answer. Total : 8

3

NO 6 a) (i)

ANSWER

MARK

Straight wire Dawai lurus Cardboard kadbod

1

P

Q

1

a) (ii)

b) (i) P

Q 2

(ii) Right hand grip rule Petua Genggaman Tangan Kanan

1

(iii) The magnetic field will be seen in the reverse direction. Arah medan magnet akan menjadi sonsang

1

Total : 6

4

NO 7

ANSWER (a) P : long filament/small flowers mempunyai filamen yang panjang /bunga bersaiz kecil Q : stigma and filament are located inside the flower stigma dan filament terletak didalam bunga R : large petals/stigma is longer than the stamen kelopak yang besar /stigma lebih panjang dari stamen besar. S : feathery stigma stigma berbulu T : large petals/ filament is shorter than the stigma kelopak yang besar/ filamen lebih pendek dari stigma

MARK

4

( maximum 4 mark ) (b) P, Q, R , S , T Pollination agent Agen pendebungaan wind/angin

Flowers Bunga

insect/serangga

Q , R and T

P and S

4

Total : 8

5

a) (i) Not light up Tidak menyala

8

2

(ii) The circuit is not complete Litar tidak lengkap b) Resistance (Ω) Rintangan (Ω) Ammeter reading (A) Bacaan Ammeter (A) 3 corrects – 2 m 2 corrects – 1 m 1 correct – 0 m

1

2

5

10

0.9

0.7

0.5

0.3

2

c)

0.9

X

0.8

Current (A)

0.7

X

0.6 0.5

X

0.4

0.37 0.3

X

0.2 0.1 0

1

2

3

4

6

5

7

8

9

10 2

Resistance (Ω) At least 3 points plotted correctly - 1m Sekurang-kurangnya 3 titik betul – 1m  A smooth graph line - 1m Graf yang licin – 1m

6

(d) Manipulated variable : Pembolehubah dimanipulasi Responding variable : Pembolehubah Bergerakbalas Fixed variable : Pembolehubah dimalarkan

The value of resistance Nilai rintangan The value of current /Ammeter reading Nilai arus/ Bacaan Ammeter Number of dry cells / Voltage Bilangan sel kering/ Voltan 3

i) Resistance and current are inversely proportional //The higher the resistance, the lower the current// the ammeter reading decreases when the resistance increases Rintangan dan arus berkadaran songsang// Semakin tinggi rintangan semakin rendah arus// Bacaan ammeter menurun apabila rintangan bertambah.

1

ii) 0.37 ± 0.01 A

1

f) Current is the ammeter reading / reading of the ammeter Arus adalah bacaan ammeter

1 Total: 12

7

KOORDINATOR DATIN AZIZAH AHMAD PENYELIA AKADEMIK UNIT SAINS MENENGAH SEKTOR PENGURUSAN AKADEMIK

PANEL PENGGUBAL 1. En. Zaki bin Ahmad

SM Tinggi K.Kinabalu (Leader)

2. Pn. Juvita Ompion

SMK Bundu Tuhan, Ranau

3. En. Mohd Asrul Pasok Abdullah

SMK Benoni, Papar

4. Pn. Noreha Mohd. Yassin

SMK Badin, Tuaran

5. Pn Chong Pik Yen

SMK Datuk Peter Mojuntin, Penampang

6. En. Surahman Salim

SMK Benoni, Papar.

7. Pn. Normaya Bt Misrin

SMK Beaufort, Beaufort.

8. Pn. Kamisah Bt Liudin

SMK Kolombong, K Kinabalu.

9. Pn. Hemi Asminda Bt Yahya

SM Stella Maris, K Kinabalu.

10. En Elip Lipun

SMK Bundu Tuhan, Ranau

11. Low See Hon

SMK Bundu Tuhan, Ranau.

12. Soon Ewe Chin

SMK Kinabutan, Tawau

13. Siti Faridah Ismail

SMK Kota Klias, Beaufort

14. Hajwani Hanapi

SMK Nambayan, Tambunan

15. Justina Simon

SM St. Paul Beaufort

8

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