Trial Pahang Biologi SPM 2014 K2

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  • 8/10/2019 Trial Pahang Biologi SPM 2014 K2

    1/23

    Untuk KegunaanPemeriksa

    For ExaminersUse

    SULIT 2

    4551/2

    Section A

    Bahagian A

    [60 marks]

    [60 markah]

    Answer allquestions in this section.

    Jawab semuasoalan dalam bahagian ini.

    1. Diagram 1 shows graph effect of temperature on enzyme reaction.

    a!ah " menun!ukkan gra# kesan suhu terhada$ kadar tindak balas en%im.

    Diagram 1

    a!ah "

    (a) tate what enzymes are.

    &'atakan a$akah en%im.

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

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

    [! marks]

    [( markah]

    (") (i) #n human "o$y% what is the organ that secretes rennin&

    )i dalam badan manusia* a$akah organ 'ang merembes rennin+

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

    [1 mark]

    [" markah]

    [Lihat halaman sebelah

    4551/2 'ercu"aan 'ahang !01

    SULIT

    1 ,b- ,i-

    1

    1 ,a-

    !

    ate of enzyme reaction

    Kadar tindak balas en%im

    *emperature

    uhu10 20 30 40

    50

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    Untuk KegunaanPemeriksa

    For ExaminersUse

    SULIT 3

    4551/2

    (ii) +,p-ain why the rate of rennin is the highest as shown in Diagram 1.

    /erangkan menga$a kadar tindak balas rennin $aling tinggi se$erti 'ang

    ditun!ukkan dalam a!ah ".

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

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

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

    [! marks]

    [( markah]

    (c) esi$es temperature factor% ezyme is a-so affecte$ "y p/. +,p-ain the effect of

    higher p/ such as on rennin actiity.

    elain #aktor suhu* en%im !uga di$engaruhi oleh #aktor $. uraikan kesan $'ang tinggi se$erti 1 ke atas akti2iti rennin.

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

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

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

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

    [! marks]

    [( markah]

    ($) +,p-ain how enzyme reacts on the situation "e-ow2

    /erangkan bagaimana en%im bertindak dalam keadaan berikut3

    (i) /e-ping to remoe stains on c-othes

    4emudahkan ker!a menghilangkan kotoran $ada $akaian

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

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

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

    [3 marks]

    [5 markah]

    (ii) +,tracting agar from seawee$s

    4engekstrak agaragar dari$ada rum$ai laut

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

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

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

    [!marks]

    [Lihat halaman sebelah

    4551/2 'ercu"aan 'ahang !01

    SULIT

    1 ,d-

    4

    1 ,b-,ii-

    !

    1 ,7-

    !

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    Untuk KegunaanPemeriksa

    For ExaminersUse

    SULIT 4

    4551/2

    [( markah]

    ! Diagram !.1 shows a cross section of -eaf.

    a!ah (." menun!ukkan satu keratan rentas daun.

    Diagram !.1

    a!ah (."

    (a) (i) 5ame struktur '.&amakan struktur P.

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

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

    [1 mark]

    [" markah]

    (ii) 5ame the structures -a"e--e$ an$

    &amakan struktur 'ang berlabel 8 dan

    2......................................................................................................................

    ......

    2

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

    .......

    [! marks]

    [( markah]

    [Lihat halaman sebelah

    4551/2 'ercu"aan 'ahang !01

    SULIT

    ! ,a- ,i-

    1

    Q

    R

    P

    ! ,a-,ii-

    !

    Total A1

    1!

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    Untuk KegunaanPemeriksa

    For ExaminersUse

    SULIT 5

    4551/2

    (") +,p-ain how tissue is a$apte$ for transportation.

    /erangkan bagaimana tisu 8 disesuaikan untuk $engangkutan.

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

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

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

    [! marks]

    [( markah]

    (c) Diagram !.! shows a con$ition of a ce-- in specific so-ution.

    a!ah (.( menun!ukkan keadaan suatu sel di dalam larutan 'ang s$esi#ik.

    Diagram !.!

    a!ah (.(

    (i) +,p-ain why the con$ition of the ce-- as seen.

    /erangkan menga$a keadaan sel tersebutseperti yang $i-ihat.

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

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

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

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

    [!marks]

    [( markah]

    (ii)+,p-ain how to oercome the con$ition in or$er to make sure the p-ant

    suria-.

    /erangkan bagaimana untuk mengatasi keadaan tersebut untuk memastikan

    tumbuhan terus hidu$.

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

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

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

    [Lihat halaman sebelah

    4551/2 'ercu"aan 'ahang !01

    SULIT

    ! ,b-

    !

    ! ,7i-

    !

    ! ,7ii-

    !

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    Untuk KegunaanPemeriksa

    For ExaminersUse

    SULIT

    4551/2

    [!marks]

    [( markah]

    ($) A group of suriing sai-ors from a shipwreck are $rifte$ in the ocean. *hey

    are weak an$ $ehy$rate$ $ue to -ack of $rinking water. 7hy can8t they $rinkthe sea water&

    ekum$ulan anakanak ka$al 'ang terselamat dari$ada ke!adian ka$al

    karam telah dihan'utkan di lautan. Keadaan mereka adalah lemah dan

    terdehidrasi akibat kekurangan air minuman. 4enga$akah mereka tidak

    boleh meminum air laut+

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

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

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

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

    [3marks]

    [5 markah]

    [Lihat halaman sebelah

    4551/2 'ercu"aan 'ahang !01

    SULIT

    ! ,d-

    3

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    Untuk KegunaanPemeriksa

    For ExaminersUse

    SULIT !

    4551/2

    3. Diagram 3.1 shows moement of earthworm an$ a fish in $ifferent ha"itats.

    a!ah 5." menun!ukkan $ergerakan 7a7ing tanah dan ikan dalam habitat 'ang

    berbe%a.

    .

    Diagram 3.1

    a!ah 5."

    (a) (i) 5ame the musc-es of "oth organisms that ino-e$ in moement.

    &amakan otot 'ang terlibat dalam $ergerakan dalam keduadua organisma

    tersebut.

    +arthworm99a7ing tanah2 ........................................................................................

    #kan9Fish

    3..........................................................................................

    [Lihat halaman sebelah

    4551/2 'ercu"aan 'ahang !01

    SULIT

    Total A2

    1!

    3 ,a-,i-

    !

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