pmr trial 2011 - science ( sabah )

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  • 8/4/2019 PMR Trial 2011 - Science ( Sabah )

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    SULIT 3 55/1

    1. Which apparatus is the most suitable for measuring 18.4 cm3 of sodium hydroxide

    solution?

    Radas yang manakah paling sesuai untuk menyukat18.4 cm3 larutan natrium

    hidroksida?

    A 25 cm3 beaker

    Bikar25 cm3

    B 50 cm3 pipette

    Pipet50 cm3

    C 50 cm3 burette

    Buret 50 cm3

    D 50 cm3 measuring cylinder

    Silinder penyukat 50 cm3

    2. Which of the following comparisons is correct?Antara perbandingan berikut, yang manakah betul?

    Plant cell

    Sel tumbuhan

    Animal cell

    Sel haiwan

    A

    Has a cell wall

    Mempunyai dinding sel

    No cell wall

    Tiada dinding sel

    B Has cytoplasm

    Mempunyai sitoplasma

    No cytoplasm

    Tiada sitoplasma

    C Has a nucleus

    Mempunyai nucleus

    No nucleus

    Tiada nucleus

    D No chloroplastsTiada kloroplas

    Has chloroplastsAda kloroplas

    3. Diagram 1 shows the arrangement of particles in element P, Q and R.

    Rajah 1 menunjukkan susunan zarah-zarah dalam elemen P, Q dan R

    Diagram 1

    Rajah 1

    Which of the following represents oxygen, mercury and carbon?

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    SULIT 4 55/1

    Antara yang berikut, yang manakah mewakili oksigen, merkuri dan

    karbon?

    Oxygen

    Oksige

    n

    Mercury

    Merkuri

    Carbon

    Karbon

    A P Q R

    B Q P R

    C Q R P

    D R Q P

    4. The following information describes the characteristics of matter M.

    Maklumat berikut menghuraikan ciri-ciri jirim M.

    - Malleable

    Boleh ditempa

    - Has shiny surface

    Mempunyai permukaan berkilat

    - Good heat and electrical conductor

    Pengalir haba dan elektrik yang baik

    What is M?

    Apakah M?

    A Sulphur

    SulfurB Carbon

    KarbonC Iodine

    IodinD Zinc

    Zink

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    SULIT 5 55/1

    5. Diagram 2 shows an experiment. The candle in Q extinguishes earlier than the

    candle in P

    Rajah 2 menunjukkan satu eksperimen. Lilin dalam Q padam lebih awal

    daripada lilin dalam P.

    Diagram 2

    Rajah 2

    What is the conclusion of the experiment?

    Apakah kesimpulan bagi eksperimen ini?

    A Exhaled air contains more water vapour than inhaled air.

    Udara hembusan mengandungi lebih banyak wap air daripada udara

    sedutan.

    B Exhaled air contains less carbon dioxide than inhaled air.

    Udarahembusan mengandungi kurang karbon dioksida daripada udara

    sedutan

    C Exhaled air contains less oxygen than inhaled air.

    Udara hembusan mengandungi kurang oksigen daripada udarasedutan.

    D Exhaled air is warmer than inhaled air.

    Udara hembusan lebih panas daripada udara sedutan.

    6. Diagram 3 shows the composition of air.

    Rajah 3 menunjukkan komposisi udara.

    Diagram 3

    Rajah 3

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    SULIT 6 55/1

    What are represented by P, Q, R and S?

    Apakah yang diwakili oleh P, Q, R dan S?

    P Q R S

    A Carbon dioxide

    Karbon dioksida

    Inert gases

    Gas Nadir

    Oxygen

    Oksigen

    Nitrogen

    B Oxygen

    Oksigen

    Nitrogen Carbon dioxide

    Karbon

    dioksida

    Inert gases

    Gas Nadir

    C Nitrogen Oxygen

    Oksigen

    Inert gases

    Gas Nadir

    Carbon dioxide

    Karbon

    dioksida

    D Nitrogen Oxygen

    Oksigen

    Carbon dioxide

    Karbon

    dioksida

    Inert gases

    Gas Nadir

    7. What is the phenomenon caused by excessive carbon dioxide in the air?

    Apakah fenomena yang disebabkan oleh karbon dioksida berlebihan dalam udara?

    A Acid rain

    Hujan asid

    B Soil erosion

    Hakisan tanah

    C Green house effect

    Kesan rumah hijau

    D The depletion of ozone layer Penipisan lapisan ozon.

    8. Which of the following energy change takes place in an electrical toaster?

    Antara perubahan tenaga berikut, yang manakah berlaku dalam pembakar roti

    elektrik?

    9. The steps P, Q, R and S describe how fire alarm system works.

    A Electrical energy Light energy

    Tenaga elektrik Tenaga cahaya

    B Electrical energy Heat energy

    Tenaga elektrik Tenaga haba

    C Electrical energy Sound energy

    Tenaga elektrik Tenaga bunyi

    D Electrical energy Kinetic energy

    Tenaga elektrik Tenaga kinetic

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    SULIT 7 55/1

    Langkah-langkah P, Q, R dan S menghuraikan bagaimana satu penggera kebakaran

    berfungsi

    10. It is advisable to wear white T-shirt on hot days. This is because white T-shirt

    is a

    Adalah digalakkan untuk memakai kemeja-T putih pada hari panas. Ini adalah

    kerana kemeja-T putih ialah

    A good insulator of heatpenebathaba yang baik .

    B good reflector of heat

    P: Heat from a fire causes the bimetallic strip to expand and bend.

    Haba dari kebakaran menyebabkan jalur dwilogam mengembang dan

    membengkok.

    Q: Electric current flows through the circuit.

    Arus elektrik mengalir melalui litar.

    R: Loud siren

    Bunyi siren yang kuat

    S: The bimetallic strip touches the contact.

    Jalur dwilogam melengkapkan sesentuh.

    Which of the following shows the correct order?

    Antara yang berikut, yang manakah menunjukkan urutan yang betul?

    A P, Q, R, SB P, S, Q, R

    C R, Q, S, PD S, P, Q, R

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    SULIT 8 55/1

    pemantulhaba yang baik

    C good absorber of heat

    penyerap haba yang baikD good emitter of heat

    pemancar haba yang baik

    11. Diagram 4 shows the pathway of an impulse after a stimulus is received by the skin.Rajah 4 menunjukkan laluan impuls selepas satu rangsangan diterima oleh kulit.

    Stimulus P Nerve Q Nerve R

    Rangsangan Saraf Saraf

    Diagram 4

    Rajah 4

    Which of the following represents P, Q and R?

    Antara yang berikut, yang manakah mewakiliP, Q dan R?

    P Q R

    A

    .

    Brain

    Otak

    Effector

    Efektor

    Receptor

    Reseptor

    B

    .

    Brain

    Otak

    Receptor

    Reseptor

    Effector

    Efektor

    C

    .

    Effector

    Efektor

    Brain

    Otak

    Receptor

    ReseptorD

    .

    Receptor

    Reseptor

    Brain

    Otak

    Effector

    Efektor

    12. Diagram 5 below shows a food pyramid

    Rajah 5 menunjukkan piramid makanan

    Diagram 5

    Rajah 5

    Which types of food are found in level S?

    Jenis makanan yang manakah terdapat dalam aras S?

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    SULIT 9 55/1

    A Oil and sugar

    Minyak dan gula

    B Cereals and rice

    Bijirin dan beras

    C Meat and fishDaging dan ikan

    D Fruits and vegetables

    Buah-buahan dan sayur-sayuran

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    SULIT 10 55/1

    13.

    Diagram 6

    Rajah 6

    Which is true about the organs labelled R and S in Diagram 6?

    Antara yang berikut, yang manakah benartentang organ yang berlabel R dan S

    dalam Rajah 6?

    R S

    A Protein is digested

    Protein dicernakan

    Produces bile fluid

    Menghasilkan cecair hempeduB Digested food is absorbed

    Makanan tercerna diserap

    Protein is digested

    Protein dicernakan

    C Protein is digested

    Protein dicernakan

    Digested food is absorbed

    Makanan tercerna diserap

    D Produces bile fluid

    Menghasilkan cecair hempedu

    Protein is digested

    Protein dicernakan

    14. Which of the following animals are invertebrates?

    Antara yang berikut, yang manakah kumpulan haiwan invertebrata?

    A Turtle, eel, lizard

    Penyu, belut, cicak

    B Frog, starfish, squid

    Katak, tapak sulaiman, sotong.

    C Cockroach, squid, prawn

    Lipas, sotong, udang

    D Crab, eel, owl

    Ketam, belut, burung hantu.

    15. Table 1 shows the population of a variety of organisms P, Q, R and S in a habitat in

    which food chain is formed

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    SULIT 11 55/1

    Jadual1 menunjukkan variasi beberapa organisma P, Q, R dan S di dalam suatu

    habitat yang membentuk rantai makanan

    Organisms Number of organisms

    P 50

    Q 8500

    R 400S 1500

    Table 1

    Jadual1

    Which of the following represents P, Q, R and S?

    Antara yang berikut, yang manakahmewakili P, Q, R dan S?

    P Q R S

    A. Tertiary consumer

    Pengguna tertier

    Producer

    Pengeluar

    Secondary

    consumerPengguna sekunder

    Primary consumer

    Pengguna primer

    B. Secondary

    consumer

    Pengguna sekunder

    Tertiary consumer

    Pengguna tertier

    Producer

    Pengeluar

    Primary consumer

    Pengguna primer

    C. Producer

    Pengeluar

    Secondary

    consumer

    Pengguna sekunder

    Tertiary consumer

    Pengguna tertier

    Primary consumer

    Pengguna primer

    D. Secondary

    consumer

    Pengguna sekunder

    Tertiary consumer

    Pengguna tertier

    Primary consumer

    Pengguna primer

    Producer

    Pengeluar

    16. Diagram 7 shows a food web.

    Rajah 7 menunjukkan siratan makanan

    Diagram 7

    Rajah 7

    Which of the following pairs of organisms are competitors for the same food?

    Antara pasangan yang berikut, yang manakah bersaing untuk makanan yangsama

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    SULIT 12 55/1

    A Snail and snake

    Siput dan ular

    B Snake and chicken

    Ular dan ayam

    C Caterpillar and eagle

    Beluncas dan helang

    D Chicken and caterpillarAyam dan beluncas

    17. Which of the following pairs of substances forms a solution when mixed?

    Antara yang berikut, pasangan bahan yang manakah akan membentuk larutan

    apabila dicampur?

    A. Oil and water

    Minyak dan air

    B. Dust and airHabuk dan udara

    C. Chalk powder and water

    Karbon dioksida dan air kapur

    D. Copper sulphate and water

    Kuprum sulfat dan air

    18. Diagram 8 shows three types of solutions R, S and T.

    Rajah 8 menunjukkan tiga jenis larutan R,S dan T.

    Diagram 8

    Rajah 8

    R, S and T represent

    R, S dan T mewakili

    R S T

    ADilute solution

    Larutan cair

    Saturated solution

    Larutan tepu

    Concentrated solution

    Larutan pekat

    R S T

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    SULIT 13 55/1

    BConcentrated solution

    Larutan pekat

    Dilute solution

    Larutan cair

    Saturated solution

    Larutan tepu

    CSaturated solution

    Larutan tepu

    Dilute solution

    Larutan cair

    Concentrated solution

    Larutan pekat

    DDilute solution

    Larutan cair

    Concentrated solution

    Larutan pekat

    Saturated solution

    Larutan tepu

    19. Which of the following factors affect air pressure?

    Antara faktor berikut, yang manakah mempengaruhi tekanan udara?

    I.Volume of air

    Isipadu udara

    II.Temperature of air

    Suhu udara

    III. Composition of air

    Kandungan udara

    A. I and II only

    I dan II sahaja

    B. I and III only

    I dan III sahaja

    C. II and III only

    II dan III sahaja

    D. I, II and III only

    I, II dan III sahaja

    20. The following shows a list of observation.

    Berikut ialah satu senarai pemerhatian.

    A glass breaks when dropped

    Gelas pecah apabila dijatuhkan

    A balloon expands when blown up

    Belon mengembang apabila ditiup

    A rubber band becomes longer when stretched

    Gelang getah menjadi lebih panjang apabila diregang

    What conclusion can you make from the observations?

    Apakah kesimpulan yang boleh anda buat daripada pemerhatian-pemerhatian itu?

    A. Force is a push or a pull

    Daya ialah satu tolakan atau tarikan

    B. Force has a direction and magnitude

    Daya mempunyai arah dan magnitud

    C. Force can change the shape of objects

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    SULIT 14 55/1

    Daya boleh mengubah bentuk objek

    D. Force can change the position of objects

    Daya boleh mengubah kedudukan objek

    21. Diagram 9 shows a boy with a mass of 50 kg carrying a load with a mass of 18 kg.He walks a distance of 60 m in 30 seconds.

    Rajah 9 menunjukkan seorang budak lelaki berjisim 50kg membawa beban

    berjisim 18kg. Dia berjalan sejauh 60m dalam masa 30 saat.

    Diagram 9

    Rajah 9

    Calculate the power.

    Hitungkan kuasa.

    A. 1080 W

    B. 1120 W

    C. 1240 W

    D. 1360 W

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    SULIT 15 55/1

    22. Diagram 10 shows what happens to a non-woody plant

    Rajah 10 menunjukkan apa yang berlaku ke atas sebatang pokok tak berkayu.

    Diagram 10

    Rajah 10

    The plant wilt because it does not get

    Pokok menjadi layu kerana tidak mendapat cukup

    A. light

    cahaya

    B. water

    air

    C. fertiliser

    baja

    D. carbon dioxide

    karbon dioksida

    23. Which of the following helps a boxer to be more stable?Antara berikut yang manakah membantu seorang peninju menjadi lebih stabil?

    A. Standing with his legs apart

    Berdiri dengan kaki yang terbuka

    B. Lifting up one of his leg

    Mengangkat satu kakinya

    C. Jumping all the time

    Melompat sepanjang masa

    D. Wearing glovesMemakai sarung tangan

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    SULIT 16 55/1

    24. Diagram 11 shows a type of lever.

    Rajah 11 menunjukkan sejenis tuas.

    Diagram 11

    Rajah 11

    Which of the following levers can be classified in the same class as the lever above?

    Antara tuas berikut, yang manakah boleh digolongkan dalam kelas tuas yang sama

    dengan tuas dia atas?

    A.

    B.

    C.

    D.

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    SULIT 17 55/1

    25. Diagram 12 shows a cake seller carrying two baskets which is in equilibrium.

    Rajah 12 menunjukkan seorang penjual kuih membawa bakul dalam keadaan

    keseimbangan.

    Diagram 12

    Rajah 12

    Find the value ofx.

    Cari nilaix.

    A. 60 N

    B. 80 N

    C. 100 N

    D. 200 N

    26 Diagram 13 shows a section of the human respiratory system.

    Rajah 13 menunjukkan sebahagian daripada sistem respirasi manusia

    Diagram 13

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    SULIT 18 55/1

    Rajah 13

    What takes place in the structure labelled S?

    Apakah yang berlaku pada struktur berlabelS?

    A Exchange of gases

    Pertukaran gasB Secretion of enzymes

    Rembesan enzim

    C Production of oxygen

    Penghasilan oksigen

    D Production of new cells

    Penghasilan sel-sel baru

    27 Which of the following diseases is caused by smoking?

    Antara penyakit-penyakit berikut, yang manakah disebabkan oleh merokok?

    A Diabetes

    Kencing manis

    B Lung cancer

    Kanser paru-paru

    C Leukemia

    Leukimia

    D Cold

    Selsema.

    28 Diagram 14 shows a type of blood cell.

    Rajah 14 menunjukkan sejenis sel darah.

    Diagram 14

    Rajah 14

    Which statement shows the function of this blood cell.

    Pernyataan manakah yang menunjukkan fungsi sel darah ini.

    A Destroy bacteria

    Membunuh bakteria

    B Transport oxygen

    Mengangkut oksigen

    C Produce antitoxin

    Menghasilkan antitoksin

    D Helps in blood clotting

    Membantu pembekuandarah

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    SULIT 19 55/1

    29 Diagram 15 shows the longitudinal section of the kidney

    Rajah 15 menunjukkan keratan memanjang buah pinggang

    Diagram 15

    Rajah 15

    What are structures labelled P, Q and R?

    Apakah struktur berlabelP, Q dan R?

    P Q R

    A Medulla

    Medula

    Cortex

    Korteks

    Ureter

    Ureter

    B Cortex

    Korteks

    Medulla

    Medula

    Ureter

    Ureter

    C Ureter

    Ureter

    Pelvis

    Pelvis

    Medulla

    MedulaD Pelvis

    Pelvis

    Medulla

    Medula

    Cortex

    Korteks

    30. Which of the following channels removes urine from the urinary bladder?

    Antara saluran berikut, yang manakah menyingkirkan air kencing dari pundi kencing?

    A Urethra

    Uretra

    B Ureter

    UreterC Uterus

    Uterus

    D Pelvis

    Pelvis

    31. Diagram 16 shows the stages of human development from fertilization until birth.

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    SULIT 20 55/1

    Rajah 16 menunjukkan perkembangan manusia dari peringkat persenyawaan

    sehingga kelahiran.

    Diagram 16

    Rajah 16

    Which of the following are true for stages X, Y and Z?

    Antara yang berikut yang manakah benar bagi peringkatX, Y and Z?

    X Y Z

    A Embryo

    Embrio

    Foetus

    Fetus

    Adult

    Dewasa

    B Adult

    Dewasa

    Foetus

    Fetus

    Embryo

    Embrio

    C FoetusFetus

    EmbryoEmbrio

    AdultDewasa

    D Embryo

    Embrio

    Adult

    Dewasa

    Foetus

    Fetus

    32. Diagram 17 shows a graph of human growth based on height.

    Rajah 17 menunjukkan graf pertumbuhan manusia berdasarkan ketinggian.

    Diagram 17

    Rajah 17

    Which of the following stages P, Q, Rand Sdoes a child reach puberty?

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    SULIT 21 55/1

    Antara peringkatP,Q, R dan S, yang manakah peringkat akil baligh?

    A Stage P

    PeringkatP

    B Stage Q

    PeringkatQC Stage R

    PeringkatR

    D Stage S

    PeringkatS

    33. Diagram 18 shows an activity to study the effect of heat on snail shell.

    Rajah 18 menunjukkan satu aktiviti untuk mengkaji kesan haba ke atas cengkerang

    siput.

    Diagram 18

    Rajah 18

    Which substance is formed in test tube P after the reaction has taken placed after

    heating?

    Bahan manakah terbentuk di dalam tabung uji P selepas tindakbalas berlaku

    selepas pemanasan?

    A Calcium hydroxide

    Kalsium hidroksida

    B Calcium oxide

    Kalsium oksida

    C Calcium chloride

    Kalsium klorida

    D Calcium bicarbonate

    Kalsium bikarbonat

    34. Which of the following petroleum fraction is correctly matched to its use?

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    SULIT 22 55/1

    Antara pecahan petroleum berikut, yang manakah dipadankan dengan betul kepada

    kegunaannya?

    A

    B

    C

    D

    35

    Diagram 19

    Rajah 19

    What should a student do to change the direction of the magnetic field pattern in

    Diagram 19?

    Apakah yang perlu dilakukan oleh seorang pelajar untuk mengubah arah corak

    medan magnet pada Rajah 19?

    A Use one dry cellMenggunakan satu sel kering

    B Use a shorter wire

    Petroleum Fraction

    Pecahan petroleum

    Use

    Kegunaan

    Petrolpetrol

    As aircraft fuelSebagai bahan api kapal terbang

    Bitumen

    Bitumen

    As ship fuel

    Sebagai bahan api kapal

    Kerosene

    Kerosin

    As motorcycle fuel

    Sebagai bahan api motorsikal

    Diesel

    Disel

    As lorry fuel

    Sebagai bahan api lori

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    SULIT 23 55/1

    Menggunakan wayar yang lebih pendek

    C Increase the number of dry cells

    Menambahkan bilangan sel kering

    D Change the terminal arrangement of the dry cells

    Menukarkan susunan terminal sel kering.

    36. The following equation represents the reaction of heat on lead sulphidePersamaan berikut mewakili tindakbalas haba terhadap plumbum sulfida

    Lead sulphide + oxygen heat Lead oxide + P

    Plumbum sulfida + oksigen haba Plumbum oksida + P

    What is P?

    Apakah P?

    A Oxygen

    Oksigen

    B Sulphur

    Sulfur

    C Sulphur dioxide

    Sulfur dioksidaD Carbon dioxide

    Karbon dioksida

    37. A washing machine labelled 240V, 1000W is used for 8 hours. Calculate the total

    cost of the electrical energy used for 10 days if the rate of electrical energy is RM0.20

    per unit.

    Sebuah mesin basuh yang berlabel 240V, 1000W digunakan selama 8 jam. Kirakan

    jumlah kos tenaga elektrik yang digunakan selama 10 hari jika kadar tenaga adalah

    RM0.20 seunit.

    A RM1.60

    B RM8.00

    C RM16.00

    D RM20.00

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    SULIT 24 55/1

    38. Diagram 20 show layers of the sun. Which of the parts labelled A, B, C and

    D is the hottest part in thesun?

    Rajah 20 menunjukkan lapisan matahari. Antara bahagian yang berlabel A,B, C dan

    D, yang manakah bahagian palingpanas?

    Diagram 20

    Rajah 20

    39 What is the use of a space shuttle?

    Apakah kegunaan kapal angkasa ulang alik?

    A To transport astronauts

    Membawa angkasawanB To predict the weather

    Meramal keadaan cuaca

    C To transmit telephone signals

    Menghantar isyarat telefon

    D To help navigating signal

    Membantu pelayaran kapal

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    SULIT 25 55/1

    40. Diagram 21 shows a device used in the study of astronomy.

    Rajah 21 menunjukkan alat yang digunakan dalam pengkajian astronomi.

    Diagram 21

    Rajah 21

    What is the function of the device?

    Apakah fungsi alat tersebut?

    A Carries the astronaut to outer space

    Membawa angkasawan ke angkasa lepas

    B Enable scientist to carry out research Membenarkan ahli sains menjalankan penyelidikan

    C Observe cosmic bodies such as galaxies and nebulae

    Memerhati jasad kosmik seperti galaksi dan nebula

    D Collect informations and send back to the earth

    Mengumpul maklumat dan menghantar balik ke bumi.

    END OF QUESTION PAPER

    KERTAS SOALAN TAMAT

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    3

    [Lihat sebelah

    55/2Excel 2 2011 Science PMR Paper 2 SULIT

    Section ABahagian A

    [40 marks][40markah]

    Answerall questionsJawab semua soalan

    ForExaminers

    use

    1 (a) Diagram 1 shows the arrangement of particles in substances P, Q and R.Rajah 1menunjukkan susunan zarah-zarah bahan P, Q dan R

    ... ..

    Diagram 1Rajah 1

    [ 3 mark][ 3 markah ]

    i) On Diagram 1, label the type of substance, P, Q and R by using the following words.Pada Rajah 1, labelkan jenis bahan, P, Q dan R dengan menggunakan perkataanberikut.

    Element Compound MixtureUnsur Sebatian Campuran

    ii) State one method to separate the components of a mixture.

    Nyatakan satukaedah memisahkan komponen-komponen campuran.

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

    [ 1 markah ]

    3

    1(a)(i)

    1

    1(a)(ii)

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    b) Draw lines to match substance R (in Diagram 1) with its examples.Lukis garisan untukmemadankan bahan R (dalam Rajah 1) dengan contoh-contohnya.

    ExamplesContoh-contoh

    [ 2 marks ]

    [ 2 markah ]

    ForExaminers

    use

    2. (a) Diagram 2.1 shows a food pyramid.

    Rajah 2.1menunjukkan piramidmakanan.

    Diagram 2.1

    Rajah 2.1

    R

    AmmoniaAmmonia

    GoldEmas

    Water

    Air 2

    1(b)

    6

    Total A1

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    (i) Name the food class in M.

    Namakan kelas makanan di M.

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

    [ 1 mark][ 1markah ]

    (ii) State one function of the food class stated in 2(a)(i)

    Nyatakan satu fungsi bagi kelas makanan yang dinyatakan dalam2(a)(i).

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

    [ 1 mark]

    [ 1 markah ]

    (b) Diagram 2.2 shows an experiment to study the action of saliva on starch. After 30

    minutes the contents of test tube P and Q is tested for starch and glucose.Rajah 2.2 menunjukkan satu eksperimen untuk mengkaji kesan air liur ke

    atas kanji. Selepas 30 minit kandungan tabung uji P dan Q diuji untuk kanji

    dan glukosa.

    Diagram 2.2

    Rajah 2.2

    (i) Name the substance used to test the presence of starch.

    Namakan bahan yang digunakan untukmenguji kehadiran kanji.

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

    [ 1 mark]

    [ 1markah ]

    ForExaminers

    use

    1

    2(b)(i)

    1

    2(a)(ii)

    1

    2 a i

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    (ii) State the substance in the saliva that enables starch to be digested in

    test tube Q.

    Nyatakan bahan dalam air liur yangmembolehkan kanji dicernakan dalam

    tabung ujiQ.

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

    [ 1 markah ]

    (iii) Explain the action of the substance mentioned in 2(b)(ii) on starch.

    Jelaskan tindakan bahan yang disebutkan di2(b) (ii) ke atas kanji.

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

    [ 1 mark]

    [ 1 markah ]

    (iv) In which part of the alimentary canal does the same action occur as in test

    tube Q?

    Bahagian manakah pada salur alimentari, berlaku tindakan yang sama seperti

    yang berlaku dalam tabung ujiQ?

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

    [ 1 mark]

    [ 1 markah ]

    ForExaminers

    use

    1

    2(b)(iii)

    6

    Total A2

    1

    2(b)(ii)

    1

    2(b)(iv)

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    3. Diagram 3 shows a human blood circulatory system.Rajah 3 menunjukkan satu sistem peredaran darah manusia.

    Diagram 3Rajah 3

    (a) (i) Name organ XNamakan organ X.

    [ 1 mark]

    [ 1 markah ]

    (ii) State the main function of the heart.Nyatakan fungsi utama jantung.

    [ 1 mark]

    [ 1 markah ]

    ForExaminers

    use

    1

    3(a)(i)

    1

    3(a)(ii)

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    (b) Oxygenated blood is transported through the pulmonary vein from the lungs to theheart. Then, the aorta transports it from the heart to all parts of the body except thelungs.Darah beroksigen diangkut melalui vena pulmonari dari peparu ke jantung.

    Kemudian aorta mengangkut ia daripada jantung ke semua bahagian badankecuali peparu.

    (i) Mark on Diagram 3 the flow of blood by using arrows below.Tandakan pada Rajah 3pengaliran darah dengan menggunakan anak panah dibawah.

    [ 2 marks ][ 2 markah ]

    (c) Diagram 3.1 shows the cross-section of blood vessels P and Q.Rajah 3.1 menunjukkan keratan rentas salur darah P dan salur darah Q.

    Diagram 3.1Rajah 3.1

    (i) State one difference between blood vessels P and Q?Nyatakan satuperbezaan antara salur darah P dan Q?

    ...[ 1 mark]

    [1 markah ]

    (ii) Give one reason for the answer in 3 (c)(i).Berikan satusebab bagi jawapan dalam3 (c)(i).

    ..[ 1 mark]

    [ 1 markah ]

    ForExaminers

    use

    2

    3(b)(i)

    1

    3(c)(i)

    1

    3(c)(ii)

    6

    Total A3

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    4. Diagram 4.1 shows an experiment to study the factor required for photosynthesis.

    Both plant have been destarched and then left in the sun for three days.

    Rajah 4.1menunjukkan satu eksperimen untukmengkaji faktor yang diperlukan bagi

    fotosintesis. Kedua-dua pokok itu telah dinyahkanji dan dibiarkan di bawah cahaya

    matahari selama tiga hari.

    Diagram 4.1Rajah 4.1

    (a) (i) State the result of the experiment when one leaf from the plant in bell jars P

    and Q is tested or starch.

    Nyatakan keputusan eksperimen apabila sehelai daun pokok di dalam serkup

    kaca P dan Q diuji untuk kehadiran kanji.

    ...

    [ 1 mark]

    [ 1 markah ]

    (ii) Based on the experiment, state one factor needed for photosynthesis.

    Berdasarkan eksperimen ini, nyatakan satu faktor yang diperlukan bagi proses

    fotosintesis

    .

    [ 1 mark]

    [ 1 markah ]

    (iii) Write the word equation for photosynthesis

    Tulis persamaan dalam perkataan untuk fotosintesis.

    ...

    [ 1 mark]

    [ 1 markah ]

    ForExaminers

    use

    1

    4(a)(i)

    1

    4(a)(ii)

    1

    4(a)(iii)

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    (b) Diagram 4.2 shows the carbon cycle.

    Rajah 4.2menunjukkan kitar karbon.

    Diagram 4.2

    Rajah 4.2

    (i ) Complete the carbon cycle in Diagram 4.2 using processes chosen from the following

    list.

    Lengkapkan kitar karbon dalam Rajah 4.2menggunakan proses-proses yang dipilih

    daripada senarai berikut.

    [ 2 marks ]

    [ 2 markah ]

    (ii) Give one reason why plants are important in the carbon cycle

    Berisatusebab mengapa tumbuhan adalah penting dalam kitar karbon.

    .

    .

    [ 1 mark][ 1 markah ]

    ForExaminers

    use

    RespirationRespirasi

    PhotosynthesisFotosintesis

    Combustion

    Pembakaran

    2

    4(b)(i)

    1

    4(b)(ii)

    6

    Total A4

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    5. Diagram 5 shows an experiment to study the density of several substances.

    Rajah 5menunjukkan satu eksperimen untukmengkaji ketumpatan beberapabahan.

    (a) (i) Why does the cork float on corn oil?

    Mengapakah gabus terapung di atas minyak jagung?

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

    [ 1markah ]

    (ii) Arrange the substances according to their density in ascending order.

    Susun semua bahan berdasarkan ketumpatan dalam susunan menaik.

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

    [ 1markah ]

    ForExaminers

    use

    Diagram 5

    Rajah 5

    1

    5(a)(i)

    1

    5(a)(ii)

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    (b) Diagram 5.1 shows an egg sinks in water.

    Rajah 5.1menunjukkan sebiji telur tenggelam di dalam air.

    Diagram 5.1Rajah 5.1

    (i) Suggest one way to make the egg float.

    Cadangkan satu cara untuk mengapungkan telur.

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

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

    [ 1markah ](ii) Give one reason for the answer in 5(b)(i).

    Berikan satusebab bagi jawapan dalam5(b)(i).

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

    [1markah ]

    (c) (i) Water has a density of 1 gcm-3. Predict what will happen if turpentine with a

    density of 0.9 gcm-3 is added in to the water.

    Air mem punyai ketumpatan 1 gcm-3. Ramalkan apa yang berlaku sekiranyaturpentin dengan ketumpatan 0.9 gcm-3 ditambahkan ke dalam air.

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

    [ 1markah ]

    ForExaminers

    use

    1

    5(c)(i)

    1

    5(b)(ii)

    1

    5(b)(i)

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    ii. Give one reason for the answer in 5(c)(i).Berikan satusebab bagi jawapan dalam5(c)(i).

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

    [ 1markah ]

    (d) Table 5 shows the reading of two materials on the electronic balance.Jadual5 menunjukkan bacaan dua bahan di neraca elektronik.

    MaterialBahan

    Volume ( cm3 )Isipadu ( cm3 )

    Mass ( g )Jisim ( g )

    Density ( g/cm3 )Ketumpatan ( g/cm3 )

    Rubber ballBola getah

    9 14.6 1.6

    Iron blockBlok besi

    9 70.8 P

    Table 5Jadual5

    Based on the result in Table 5, calculate the value of P.Berdasarkan keputusan dalam Jadual5, hitungkan nilaiP.

    Given,Diberi,

    [ 2 marks ][ 2markah ]

    ForExaminers

    use

    1

    5(c)(ii)

    2

    5 d

    Density = massvolume

    Ketum patan = jisim

    isipadu

    8

    Total A5

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    6. Diagram 6.1 shows the human urinary systemRajah 6.1 menunjukkan sistem urinarimanusia

    Diagram 6.1Rajah 6.1

    (a) Name the structure P and Q.Namakan struktur P dan Q.

    (i) P :

    Q : [ 2 marks ]

    [ 2markah ]

    (ii) In Diagram 6.1, label the ureter with letter R and urethra with letter S.Dalam Rajah 6.1, label ureter dengan hurufR dan uretra dengan hurufS

    [ 2 marks ][ 2markah ]

    (b) The content of excretion waste in 100 cm3 urine sample collected from structure Qof a man is as below:Kandungan bahan kumuh dalam100 cm3 air kencing yang dikumpul dari struktur Qseorang lelaki adalah seperti berikut:

    Excretion WasteBahan kumuh

    Content/gKandungan/g

    WaterAir

    96.0

    Mineral saltsGaram Mineral

    1.7

    Urea

    Urea

    2.0

    Nitrogenous wasteBahan buangan bernitrogen

    0.2

    Substance YBahan Y

    0.1

    ForExaminers

    use

    2

    6(a)(i)

    2

    6(a)(ii)

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    Substance Y is tested with Benedict solution and the solution turns into a brick-redpercipitate.Bahan Y diuji dengan larutan Benedict dan larutan itu bertukar kepada mendakanmerah bata.

    i. What is substance Y that is present in the urine?Apakah bahan Y yang terdapat dalam air kencing itu?

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

    [ 1markah ]

    ii. State the name of the disease suffered by the man.Nyatakan nama penyakit yang dihidapi oleh lelaki itu.

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

    [ 1markah ]

    (c) A diet of a person will determine the contents of his urine. What kind of waste willincrease if a person takes on extra amount of the following substance:Diet seseorang akan menentukan kandungan air kencing. Apakah bahan buanganyang akan meningkat jika seseorangmengambil bahan berikut secara berlebihan:

    i. Salts : ........................................................................Garam

    ii. Protein: ........................................................................Protein

    [ 2 marks ][ 2markah ]

    ForExaminers

    use

    1

    6 b i

    1

    6 b ii

    2

    6 c i ii

    8

    Total A6

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    7 (a) Diagram 7 .1 shows the apparatus set-up to study the function of a step uptransformer.Rajah 7.1menunjukkan susunan radas untukmengkaji fungsi transformerinjak naik.

    Diagram 7.1Rajah 7.1

    (i) Based on Diagram 7.1, state the difference of the brightness between Bulb Pand Bulb Q.Berdasarkan Rajah 7.1, nyatakan perbezaan kecerahan antara mentolPdan mentolQ.

    ..

    ..[ 1 mark]

    [ 1 markah ]

    (ii) What inference can be made based on Diagram 7.1.Apakah inferens yang boleh dibuat berdasarkan Rajah 7.1.

    [ 1 mark]

    [ 1 markah ]

    ForExaminers

    use

    1

    7(a)(i)

    1

    7 a ii

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    (iii) Based on Diagram 7.2, record the readings of the voltmeter.Berdasarkan rajah 7.2, catatkan bacaan voltmeter

    Diagram 7.2Rajah 7.2

    Number of turns on secondary coil = 23Bilangan lilitan pada gegelang sekunder

    Voltmeter reading = VBacaan voltemeter

    [ 1 mark][ 1 markah ]

    (b) Table 7.3 shows the voltmeter reading of different number of turns on the secondarycoil.Jadual7.3 menunjukkan bacaan voltmeter untuk bilangan lilitan berbeza padagegelung sekunder.

    Number or turns on

    the primary coil

    Bilangan lilitan pada

    gegelung primer

    Number of turns on

    the secondary coil

    Bilangan lilitan pada

    gegelung sekunder

    Voltmeter reading

    Bacaan voltmeter

    10 20 4

    10 40 8

    10 60 12

    10 80

    10 100 20

    10 120

    Table 7.3Jadual 7.3

    ForExaminers

    use

    1

    7(a)(iii)

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    (i) Based on Table 7.3, predict the voltmeter reading if number of turns on thesecondary coil is 80 and 120. Record the reading of voltmeter into Table 7.3Berdasarkan Jadual 7.3, ramalkan bacaan voltmeter jika bilangan lilitan

    pada Gegelung sekunder ialah 80 dan 120. Rekod bacaan voltmeter kedalam Jadual7.3

    [ 2 marks ][ 2 markah ]

    (ii) State the variables that involve in this experimentNyatakan pembolehubah yang terlibat dalam eksperiment ini.

    Manipulated variable

    Pembolehubah yang dimanipulasi

    Responding variablePembolehubah yang bergerakbalas

    [ 2 marks ][ 2 markah ]

    (iii) State one hypothesis that can be made from this study.

    Nyatakan satuhipotesis yang boleh dibuat daripada kajian ini.

    [ 1 mark]

    [ 1 markah ]

    ForExaminers

    use

    8

    Total B7

    2

    7 b i

    2

    7(b)(ii)

    1

    7 b iii

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    8 A student carried out an experiment to investigate heat release by different types ofsurfaces . The initial temperature of the water in both conical flasks is 80 oC. The twoconical flasks X and Y are left to cool for 30 minutes and the temperature of thewater in conical flask X and Y are recorded at the end of the experiment.Seorangmuridmenjalankan satu eksperimen untukmenyiasat pembebasan habaoleh jenis permukaan yang berlainan. Bacaan awal untuk suhu air di kedua-dua

    kelalang kon ialah 80oC. Kedua-dua kelalang kon X dan Y dibiarkan untukmenyejukselama 30 minit dan suhu air untuk setiap kelalang kon X dan Y dicatatkan padaakhir eksperimen.

    Diagram 8.1Rajah 8.1

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    (a) Based on the Diagram 8.2, record the reading of the thermometer in conical flaskX and Y every 10 minutes in Table 8.1Berdasarkan Rajah 8.2, catatkan suhu air untuk kelalang kon X dan Y setiap 10minitmasing-masing di dalam Jadual8.1.

    After 10 minutes Thermometer Reading

    Selepas 10minit Bacaan Termometer

    After 20 minutes Thermometer ReadingSelepas 20minit Bacaan Termometer

    After 30 minutes Thermometer ReadingSelepas 30minit Bacaan Termometer

    Diagram 8.2Rajah 8.2

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    Flask

    Kelalang

    Temperature of water (oC)Suhu air(oC)

    0 minute0minit 10 minutes10minit 20 minutes20minit 30 minutes30minit

    X 80 68 56 43

    Y 80 67

    Table 8.1Jadual8.1

    [ 2 mark][ 2markah ]

    (b) State the hypothesis of the experiment..

    Nyatakan hipotesis eksperimen ini.

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

    [ 1markah ]

    (c) State the variables involved in this experiment.Nyatakan pembolehubah-pembolehubah yang terlibat dalam eksperimen ini.

    (i) Manipulated variable :Pembolehubah dimanipulasikan:

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

    (ii) Responding variable :Pembolehubah bergerakbalas:

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

    [ 2 marks ]

    [ 2markah ]

    ForExaminers

    use

    2

    8(c)(i)(ii)

    1

    8(b)

    2

    8 a

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    (d) (i) Based on the data in Table 8.1, draw a graph to show the relationship betweenthe temperature of water and time in conical flaskY.Berdasarkan data di dalam Jadual8.1, lakarkan satu graf yangmenunjukkanhubungan antara suhu air dengan masa untukkelalang konY.

    [ 2 marks ][ 2 markah ]

    (ii) Predict the temperature of water in conical flask Yafter 40 minutes.Ramalkan suhu air untuk kelalang kon Y selepas 40minit.

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

    [ 1markah ]

    ForExaminers

    use

    1

    8(d)(ii)

    2

    8(d)(i)

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    (iii) Based on the data in Table 8.1, state one relationship between the type of surfaceof flasks X and Y and the temperature of water.Berdasarkan data di dalam Jadual8.1, nyatakan satuhubungan antara jenis

    permukaan untuk kelalang kon X andY dan suhu air.

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

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

    [ 1markah ]

    (iv) State the operational definition of heat release in Diagram 8.1Nyatakan definisi secara operasi bagi haba yang dibebaskan dalam Rajah 8.1

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

    [ 1markah ](e) Diagram 8.3 shows four objects, S,T,U and V

    Rajah 8.3 menunjukkan empat objek, S,T,U dan V

    S: Stainless steel cooking potPeriuk keluli tahan karat T: Shiny teapotTeko berkilat

    U: Black T-ShirtKemeja-T hitam

    V: Dark, dull capTopi gelap, pudar

    Diagram 8.3Rajah 8.3

    ForExaminers

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    1

    2

    8(c)

    8(d)(iii)

    1

    8(d)(iv)

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    Based on the operational definition of heat release in 8 (d)(iv), classify the objectsin Diagram 8.3 according their ability to release heat.Berdasarkan definisi secara operasi bagi haba yang dibebaskan dalam8 (d)(iv),kelaskan objek-objek dalam Rajah 8.3 berdasarkan keupayaan membebaskanhaba.

    ClassificationPengelasan

    ObjectObjek

    Good ability to release heatKeupayaan membebaskan haba yang

    baik

    Poor ability to release heatKeupayaan membebaskan haba yang

    kurang baik

    [ 2 marks ][ 2 markah ]

    ForExaminers

    use

    END OF QUESTIONPAPERKERTAS SOALAN TAMAT

    2

    8(e)

    12

    Total B8

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    JAWAPAN

    EXCEL 2 PMR

    SAINS KERTAS 1

    NO. SOALAN JAWAPAN NO. SOALAN JAWAPAN

    1 C 21 D

    2 A 22 B

    3 D 23 A

    4 D 24 B

    5 C 25 A

    6 A 26 A

    7 C 27 B

    8 B 28 B

    9 B 29 B

    10 B 30 A

    11 D 31 A

    12 B 32 C

    13 C 33 B

    14 C 34 D

    15 A 35 D

    16 D 36 C

    17 D 37 C

    18 B 38 D

    19 A 39 A

    20 C 40 D

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    MARKING SCHEME

    EXCEL 2 PMR 2011

    PAPER 2

    1

    Question Suggested Answer Marks

    1.

    a) P= Element , Q = Mixture, R = Compound

    Unsur campuran sebatian

    b) Filtration / Evaporation / using magnet

    Penapisan/ sejatan / mengguna magnet

    c)

    Examples

    Contoh-contoh

    3 m

    1m

    2 m

    TOTAL= 6 m

    2 (a) (i) Proteins

    (ii) For growth//repair body cells (accept other correct answer)

    (b) (i) iodine solution

    (ii) amylase enzymes

    (iii)break down(digest) starch into glucose(iv)the mouth

    1 m1 m

    1 m1 m

    1 m1 m

    TOTAL= 6 m

    Ammonia

    Ammonia

    RGold

    Emas

    Water

    Air

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    2

    3a (i) Lungs

    (ii) To pump blood to the whole body

    b (i)

    c) (i) Blood vessel Q has thicker wall than blood vessel P(ii) Blood vessel Q transport blood which flow at high pressure

    m

    1 m

    2 m

    1 m1 m

    TOTAL= 6 m

    4. a) i. The leaf from the plant in bell jar P shows the presence of starch.

    The leaf from plant in bell jar Q does not show the presence of

    starch.

    ( If only one correct, get 0 mark)

    Daun daripada pokok di dalam serkuk kaca P menunjukkan

    kehadiran kanji.Daun daripada serkup kaca Q tidak

    menunjukkan kehadiran kanji.

    (Jika hanya satu betul; dapat 0 markah )

    ii.Carbon dioxide

    Karbon dioksida

    Sunlight

    Cahaya matahari

    iii. Carbon dioxide + water Glucose + oxygen

    Karbon dioksida + air Glukosa + oksigen

    1m

    1m

    1m

    Chlorophyll

    Klorofil

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    3

    b) (i) X : Photosynthesis

    Y :Respiration

    (ii) Plants absorb carbon dioxide

    Tumbuhan menyerap karbon dioksida

    Plants supply oxygen

    Tumbuhan membekalkan oksigen

    Plants are source of food

    Tumbuhan adalah sumber makanan

    Plant provide fuel

    Tumbuhan membekalkan bahan api

    Plants maintain the percentage of oxygen and carbon

    dioxide in the atmosphere

    Tumbuhan mengekalkan peratusan oksigen dan

    karbon dioksida di udara.

    ( Any one )

    ( 1 mark)

    2m

    1m

    TOTAL= 6 m

    5 a)i) The density of cork is less than the density of corn oil/ Ketumpatan

    gabus kurang daripada ketumpatan air//OR

    The density of corn oil is more than the density of cork/Ketumpatanminyak jagung lebih daripada ketumpatan gabus

    ii) Cork, Corn oil, Ice,Water, Glyserine,Glass/Gabus, Minyak Jagung, Ais, Air,Gliserin,Kaca

    b)i) Dissolve a lot of salt in the water/

    Larutkan garam yang banyak di dalam airii) Salt increase the density of water/Garam meningkatkan ketumpatan

    air//ORThe egg floats if the density of water is more than thedensity of eggs/Telur akan terapung apabila ketumpatan air adalahlebih daripada ketumpatan telur

    1 m

    1 m

    1 m

    1 m

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    5c)i) Turpentine will float on water/

    Turpentin akan terapung di atas air

    ii) The density of turpentine is less than the density of water/

    Ketumpatan turpentine adalah kurang daripada ketumpatan air

    DensityKetumpatan = 70.8 g / 9 cm3

    = 7.8 g/cm3

    1 m

    1 m

    TOTAL= 6 m

    6. a) i) P: Kidneyii) Q: Urinary bladderiii)

    b) i) Glucoseii) Diabetes Mellitus

    c) i) Mineral saltsii) Urea

    2m

    2m

    2m

    2m

    TOTAL= 8 m

    7. a) i) The brightness of bulb Q is higher than bulb P// Bulb Q brighterthan bulb P

    ii) Bulb Q brighter than bulb P because the number of turns on thesecondary coil are higher//Bulb Q brighter than bulb P because the higher the number of turnson the secondary coil, the higher the voltmeter reading.

    iii) 4.6 V

    b) i) 16, 20

    ii) Manipulated: number of turns on the secondary coilResponding : voltmeter reading

    iii) the higher the number of turns on the secondary coil, the higherthe voltmeter reading//

    As the number of turns on the secondary coil increase,voltmeter reading reading//The voltmeter reading increase with the number of turns on thesecondary coil

    1m

    1m

    1m

    2m

    2m

    1m

    TOTAL= 8m

    R

    S

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    8. (a)

    FlaskKelalang

    Temperature of wateroCSuhu air

    0 min

    0 minit

    10 mins

    10 minit

    20 mins

    20 minit

    30 mins

    30 minit

    Y 100 75 71 67

    c) Dull, black surface are better radiator of heat than shiny, whitesurface// Dull, black surface release heat better than shiny,white surfacePermukaan pudar, gelap membebaskan haba lebih baikberbanding dengan permukaan berkilat, putih

    (c) (i) Type of surfaces/ Colours of paint/ Black and silver paint (i) Jenis permukaan/ Warna permukaan kelalang kon/ cat

    hitam dan cat aluminium

    (ii) Temperature of water/ The reading of thermometer(ii) Suhu air/ Bacaan termometer

    (d) (i) Plot correctly ; Graph correctly drawn

    ii) below 67 oCdibawah 67 oC

    2m

    1m

    1m

    1m

    2m

    1m

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    (iii) The black surface release more heat and therefore thetemperature in conical flask X drops faster than the temperaturein conical flask Y.Permukaan yang gelap membebaskan lebih haba, oleh itu, suhudi dalam kelalang kon X menurun lebih cepat daripada suhu di

    dalam kelalang Y

    (iv) Heat release is the temperature of waterPembebasan haba ialah suhu air

    e)

    ClassificationPengelasan

    ObjectObjek

    Good ability to release heatKeupayaan membebaskan haba yang

    baik U, V

    Poor ability to release heatKeupayaan membebaskan haba yang

    kurang baik S, T

    Accept If student name the object.

    1m

    1m

    2m

    Total=12 m