1. 2. 3. - · pdf file3 diagram 3 shows a model of the plasma membrane. ... lcromos,om sel an...

SULIT4551/1BiologiKertas 1

Ogos/September201211l4Jam

PEPERIKSAAN PERCUBAAN BERSAIvIAQI III PELAJARAN MALAYSIA 2012,retL

ATJJURAN

MAJLIS PENGETUA SEKOLAH MALAYSIA (MPSM}CAWANGAN PERLIS

BIOLOGI

Kertas 1

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Diagrarn 1 shows an animal cell.Rajah 1 menunJukkan satu set halwan.

What is organelle W?Apakah otganel W ?

A ChloroplastKoroplas

B Golgi apparatusJasad Golgl

Diagram llRajah 1

C MitochondrionMitd<ondria

D Smooth endoplasmic reticulumJallnan endoplasma licln

Diagram ZRalah 2

Which of the following sequence of feeding mechanism of Amoeba sp. is correct?Antara Mlkut yang manakah urutan mekanlsma pmakanan Ameob sp. yang betul?

The food particles are digested by lysozyrneCety'san makanan dlha&mkan oleh enzlm lisozlmFood vacuole are formedVakud makarpn difuntukTwo pseudopodia engulf food particlesDua pseudo@la mengepung partikel makanan

The cell assimilated the nutrients and left the undigested materialsSd mengaslmilasinutrien dan meninggalkan Mhan yang tidaktercema

AOBRCRDR

o)PO'S

)S)S)S)P

R)PP+O

))))

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SULIT 3

3 Diagram 3 shows a model of the plasma membrane.Rajah 3 menunlukkan model membran plasma.

Diagram 3/Rajah 3

Which of the folloadng pair is conectly match?Manakah antara bedkut dlpdankan dengan betul?

Diagram 4 shows a strip of mustard green after it has been soaked in solution p.Ralah 4 menunJukkan Jalw saMselepes dlreMam datam larutan p.

TissueIisu

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A

D

What is solution P?ApaKah larutan P?

A Distilled waterAir sullng

B Salt solutionl-arutan garam

C Concentrated sucrose solutionLarutan sukrosa pekat

D Concentrated glucose solutionLarutan glukxa pekat

C)/o/c/al

s/s/o/o/o/

a/u)lFi:-/i1s/

a(U

(U\Q-\t

U)C)q)

u\

e-c)a-0

a-on-rHAT s E LAHI

\L

Structure PSttuhurP

FunctionFungsl

CholesterolKolestercl

Makes palsma membrane strongerMentadikan membane plasma leblh Ruat

PhospholipidFosfdlpld

Allow water molecule to pass throughMembnartan mol*ul alr melalulnya

Carrier proteinPrdeln prnMwa

Allow glucose and small proteins to pass throughMembnarkan molekul glukasa dan prctetn k*tt metaluinya

Pore proteinPrddn llang

Fatty acid and glycerol are transported throughAsld lemak dan gllserol dangkut metalutnya

Diagram 4lRajah 4

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4 4fi1t1SULTT

5 Diagram 5 shows the condition of a fresh plant cell afterthey have been immersed insolutlon Z.RaJah 5 menunlul<l<an ker,de,an strul<tur sel tumbuhan segrarse/epas dlran&m dalam tarutan Z

WaterNr

[.riagram SlRalah 5

Which of the following statement is TRUE to describe the condition of the cell?Yang matakah dantaru kenyataan bilkut BENAR Mgl nwtuangkan kedaan sel?A Water molecule diffuse out through facilitated diffusion.

Mold<ul alr mawap keluar melaluiposes resaryn treirfuntu.

B Solution Zis a hypertonic solution to the cellsap.L-arutan Z a&lah N$onik tuhadap sap sd.

C Solution Z is a hypotonic solution to the cell sap.larutan Z a&lah hlwtottlk terhadap sap sd.

D The cell unddrgroes deplasmolysis.Sel terseb ut me nga I aml &p/asrno//sis.

Diagram 6 shows a protein molecule strucfure.Rajah 6 menuniukkan stu$ur nlr;,ld<ut protdn.

Bond Plkatan P

Diagram 6lRajah 6

What is bond P?Apakah lkatan P?

A Hydrogen bondlkatan hldrcgen

B Dsulphide bondlkatan dlsulll&

Peptide bondlkatan po$ru

Polypeptide bondlkatan pllpepflor.

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SULIT

7 Diagram 7 shows the mechanism of enzyme action that follow the lock-key hipothesis'principle.Rajah 7 menunJukkan mekanisme tindakan enzim yang brtindak mengikut prinsip'kuncl dan

' manggahtpofesis.

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';:Jii',I

G+GAI

E nzyme-substrate complexKom pleks e n z I r* su b stat

Diagram TlRaJah 7

Which property of the enzyme can be illustrated by the diagram?Di antara ciri-ciri enzim berikut, yang manakah boleh digamberkan oleh rajah diatas?

I Ezyme action is specificTlndakan enzlm adalah spesr/ik

ll Enzyme molecule is not destroyed by the reactionMolekul enzim tl&k dlmusnahkan sdepas tindakbalas

lll High temperature can destroy the active siteSuhu yang tlnggl boleh memusnahkan tapk aktlf

lV Enzyme are needed in a small quantityEnzlm diperlukan &lam kuantiti yang sdikit

A land lll only C I and ll onlyI &n lll sahaja ldan ll sahala

B ll and lV only D l, ll, lll and lVll dan lV sahaJa l, ll, lll dan lV

Enzyme SubstratEnzlm Substrat

I

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I Diagram B shows an activity done by Luqman to investigate action of pepsin on eggalbumen.Raiah 8 menuniukkan al<tMtl yang diJalankan deh Luqman untuk mengkaJtilndakan enzlm ppstn keatas albumln telur.

3 drops of dilute HCL is added3 tfis HCL calr dltamMhkan

cm3

\dd

d

/d

d

d

0

0

il

PePStn

opepsrn

R

l crnboiledpgpsin

1c

2 cm2 egg albumin suspension2 cnf ampian albumin telur

Diagram SlRaJah 8

The tubes are immersed in a water bath at 37"C.Tafung ujl dircn&mkan dalam kukus alr pda suhu 37'C.

What are the observations should he get atter 20 minutes?Apkah pemerhatian yang mungkin dia golehl selepas 20 ntnit?

A

B

c

D

P o R S

ClearJernih

CloudyKquh

CloudyKeruh

CloudyKeruh

CloudyKeruh

CloudyKquh

ClearJernth

CloudyKeruh

ClearJernih

CloudyKquh

ClearJemih

CloudyKeruh

ClearJemih

CloudyKeruh

ClearJernih

ClearJemlh

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Diagram 9 shows stages in mitosis in a somatic cell of a frog.Rajah 9 menunjukkan pingkat-peringkat mlfosis dalam se/soma sekor katak

Diagram 9lRatah 9

Which of the following is the correct sequence for the process?Antara berlkut, yang manakah menunJukkan urutan yang betul bag/proses tersebut?

o

A S)P)R)QB P)Q'S)R

c s)Q)P+RD P)S)R)O

10 lf diploid number of chromosomes in a nucleus of an organism cell is 3O, how manychromosomes are there in the new daughter cells that are formed through mitosis?Jlka Hlangan krunosom dplold didalam nukJeus safu sel aganlsma lalah 30, berapkah bllanganlcromos,om sel an ak ya rg terbe ntuk mel al u I mltosls?

A15830

\Mich of the following cells is the product of meiosis?Sel yang manakah adalah hasil rner'asisZ

c45D60

11

cA

D

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SULIT 455111

12 Diagram 10 shovtts a reproductive cell of an animal which undergo process of meiosis 1.Rajah 10 monuntuhkan sel reprdul<tf suatu halwan sedang mengalaml meiosis 7.

Diagram lOlRajah 10

Which is correct to describe the cell?Yang manakah benar menerangkan tentang sel tersebut?

D

The number of chromosomes in thegamete cells of the animal

Bilangan komosom yang tedapat dalam set

gamet halwan [ersebuf

The Phases of cell divisionPeringkat Pembahqlan sel

2Anaphase

Anafasa

4Prophase I

Profasa I

4Anaphase ll

Anafasa ll

2Anaphase I

Ana{asa I

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SULIT

13 Diagram 1 1 is an example of transgenic crops like tomatoes have been created throughgenetic engineering.Rajah 11 menunjukkan contoh tanaman transgenik seprti buah tomato yang beriaya dihasilkan

mel alui kejuruteraan genetik.

Diagram lliRajah 11

Which of the following statements are TRUE in describing transgenic crops?Pernyataan yang manakah BENAR untu? menerangkan tentang tumbuhan tansgenik?

Transgenic crops contain new traits and are beneficial because their genes are fromother organisms that is being inserted into their chromosomes.Tumbuhan transgenik mempunyai tnit yang baharu &n brfadah kerana gen daripada

organisma lain telah disisipkan ke dalam kromosomnya.

Resistant to certain pathogen.Me m pu n y ai ri nta nga n terh ad ap patoge n te rte n t u

Show higher growth rate with higher and better quality yields.Menunjukkan kadar perTumbuhan yang ceryt dengan hasil yang banyak dan befuualiti.

Transgenic plants can be cloned to commercialised.Tu mbuhan transgenlk boleh diklonkan u ntuk dikomersialkan.

il

ilt

IV

A

B

l, ll and lll onlyl, ll dan lll sahaja

i, ll, lll and tVt, ll, lll dan lV

4ffi',|11

land lll onlyldan lll sahaja

ll and lV onlyll dan lV sahaja

Normal tomato after two weeksTomato normal se/epas dua minggu

Transgenic tomato after two weeksTornato transgen ik se/epas dua mi ngg u



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14 Stuctures shown in Diagram 12(a) and 12(b) have many strucural adaptation in order tofunction more efficiently.Strukturyang dituniukkan didalam Diagram 12(a) &n 12(b) di bawah telah diadapfasr untukmembolehka nn ya menja lankan lu ngsl de ngan le bl h eflsien.

(b)

Diagram l2lRaJah 12

Which adaptations are consist in both structure?Penyesualan manakah yang tadapt pda k&u*ciuanya.?

I Network of blood capillariesJaingan kapilad &rah

ll Abundant in numberBllarqan yang banya?

lll Thin and moist epithelial wallsDinding epitelium nipis dan lembap

lV Have lacteals to absorb amino acids and glycerolMutpunyal lakteal untuk mentrerap esid amino dan gliserol

A land lll onlY C l, ll and lll onlY

l&n ltt sahaia l, ll&n lll sahaia

B ll and lV only D l, ll' lll and lVIt dan lV sahaia l, ll, lll dan lV



SULIT 11 4*51t1

15 Diagram 13 shows components of the cow alimentary canal.Rajah 13 menunjukkan komponen salur alimentari seekor lembu.

OmasumOmasum

ReticulumRetikulum

Diagram l3lRajah 13

Which of the following is correct to descrihe the system?Antam yang berlkut, yang m€,nakah benar menerangkan tentang sys'fem tersebut?

Omasrrm is the true stomachOmasum adalah perut sebnar

The cud that is reswallowed is moved to abomasumMamahan yang dltelan semula masukke afumasum

Herbivores like rodents have this type of digestive systemHaiwan seperti rdensla mem$tnyai sisfem pencemaan jenis lni

Population of bacteria and protozoa in the rumen and reticulum secretes enzymecellullase to digest cellulosePogtlasl bakteria dan protozoa yang terdapt di dalam rumen dan retikulum ffterembqkanenzlm selu/ase untuk rnencemakan selulxa

AbornasumAbomasum

A

c

D



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16

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This people may have a normal body mass but experience an intense fear ofgaining weight.lndividu iniselafunya mempunyai furat badan yang normal tetapi sangaf takutmenjadigemuk.

out of control in consuming food, followed by self-indu"id vomiting.Sukar berhentl apailla makan tetapl memuntahkan setnula makanan yang OtmaXan.

This people may die from severe ra,eight loss and undernourished conditions.lnciividu mungkln akan npd akibet kehllangen b,erat badan dan kekurangan nutlen.

Based on the staiements above, what is the health problem cioes ihe inciivicjual most likelysuffering from?Berdasarkan pemyataan dlatas, apakah mesalah k*lhatan yang dialaml cleh lndividu tersebut?

12

A Anorexia nervosaAnoreia n€rvosa

B ObesityKqemukan

C BulimiaBullmla

D GastritisGastrik

17 Diagram 14 shows the structure of a chloroplast.Rajah 14 menunjul<.Ran struktur kluoplas.

Diagram l4lRaiah 14

Which part of the chloroplast labelled A, B, C and D does the fixation of carbon dioxide

occur?Antara bahagian kloroplas bertabet A, B, c dan D, di manakah pengikatan karbon dioksi& Mrlaku?

A

BG

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18 The given word equation shorars the reaction which occurs during a type of respiration.Percamaan pefuataan yang direri menunjukkan tlndak balas yang futaku semasa se1'enrs resprasr.

Glucose ) ethanol + carbon dioxide + energyGlukosa ) etanol + Rarbon dioksida + tenaga

What organisms carry out this type of resplration?Qrganlsma apaxah yang menjalankan Jenls tesplnsi lnl?

l3

19 Diagram 15 shows gaseous exchange between alveolus and blood capillaries.Ralah 15 menunluhkan prtukaran ga-s antara alvqlus dan kafllad darah.

Diagram l1lRajah 15

At which position of the blood capiltary does the blood have the lowest concentration oforygen? Pada kedudukan kapllai cilarah manakah darah mempunyai kepkatan oksigen yang patingrcndah?

A PlantsTumbuhan

B BacteriaBalcterla

AR

BS

C ProtozoaPratozoa

D HumansManusla

CT

DU



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Diagram 16 shorarc the respiratory structure of an aquatic organism.Rajah 16 menunjukkan strukturrcspraslMgl satu organlsma akuailk

What is the function of X?Apakah tungsi X?

A lt increases the surface area to make diffusion easier.la menamhh luas permukaan sucpya resapan berlaku &ngan mudah.

B lt nourishes the respiratory structure with nutrients and oxygen.la menyuburkan struffiur resplrasl dengan nutrlen dan okslgen.

C lt provides support and protection to the respiratory structure.la mem&ri sokongan dan prlindungan kepada stuktur respirast.

D lt resists the movement of the respiratory structure due to a change in pressure.la menentang peryerakan struktur respiraslyang disebabkan oleh pruMhan pada tekanan.

The table shows the percentage composition of different gases in the air. The atmosphericpressure at sea level is 760mmHg.Jadual menunlul<l<an pratusan kontposisi gas dalam udara yang hrlrtr'za. Tekanan atmcfera padaaras laut lalah 750mmHg.

GasGas

Percentage composition in air (o/a)

Peratusan komrcsisidalam u&ra (%.

NitrogenNitrqen 78.09

OxygenOksgen 20.95

Carbon dioxideKarbon dlol<sida

o.03

ArgonArgon

0.93

WaterAtr

o

What is the padial pressure of oxygen?Apakah te4anan separa bagi oksigan?

14

20

21

20.95 mmHg

149.37 mmHg

C 159.22 mmHg

593.48 mmHg

Diagram l5lRejah 16



SULIT

22 Diagram 17 shows a food web.Rajah 17 menunjukkan siratan makanan.

Tlkus

ll BirdEurung

land Illdan ll

land lllI dan lll

15

lll EagleHelang

lV SnakeUlar

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Diagram lTlRajah 17

Which of the following are primary consumers?Antara yang beflkut, yang manakah adalah pengguna pdmer?

ll and lVll dan lV

lll and lVlll dan lV



SULIT 16

23 Piqg.ol! 18 shoras the interaction between orqanisms.Ratah 18 menunjukkan interaksi antara orgZii"ii

What are X and y?Apakah X &n y?

Diagram lSlRajah 1B

A

B

c

D

\t1/hat are P, Q and R?Apakah P, Q dan R?

24 The following information shows the hierarchy in the classification of organisms.Maklumat yang brikut menuniukkan hierarki dalim pengetasan aganlsma.

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A

B

c

lnteraction betweenorganisms

lnteraksl antaraotganiuna

x Y.CompetitionPerselngan

CompetitionPercaingan

PredationPemangsaan

-

SymbiosisSimfoosAs

Succession.Sesaran

SymbiosisSlmbrosls

SymbiosisSimbiosis

PredationPemangsaan

P o R

OrderOttu

GenusGenus

PhylumFllum

PhylumFilum

OrderOrder

GenusGenus

PhylumFilum

GenusGenus

OrderOrdpvr

OrderOrk

PhylumFllum

GenusGenus

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SULIT 4551t1

25 Diagram 19 shov'rs the distribution of mangrove trees at the banks of a river mouth.Rajah 19 menunjukKan taburan pkok bakau diteblng muara sungal.

Key/Kuncl:

f,g land spesies/spesr'as darat

NlBruguiera sp.

QRhizophora sp.

3EPEl Avicannia sp.

E rnud banks/tob ing berlumpur

Diagram l9lRatah 19

What are the characteristics that plant P has?Apakah cld<lrl yang ada pa& tumbuhan P?

A lt has a root system that spreads otrt w:dely.ta mbmpunyaiilstem akar y'ang tumhth luas.

B lt grourc well in hard clay soil.la membesar dengan balk dalam tanah llat keras.

C lt has buttress roots to trap mud.la mempunyal akar funlr untuk memerangkap lumpur.

D lt has thin cuticles.la mempunyalkuilkel yang nlpls.

26 A group of students canied out a study on the population of snails in a garden. They usedcapture<nark-release and recapture technique in the study. Which of the followingassumptions need to be made for this technique?Sekumpulan plalar menjalankan Ralian ke afas ppulasi slput dalam taman. Dalam kaJian iiu,mar*a firenggunakan kadah tangkap tan& lepas &n tangkap semula. Antan brikut, aflaianmanaKah yang perlu dlbuat Mglkadah lnl?

I The snails that are marked can mix freely with tlre snails which are not marked.Siput yang telah ditanda boleh brgaul dengan slput yang tldak dltanda.

ll The snails are caught randomly.Slput ditangkap s&ara rawak.

lll The number of predators musl be controlled in the garden.Befurapa binatang pemangsa &lam taman perlu dlkawal.

lV The bidh rate of snails is the same as the death rate of snails.Kadar kelahlran slput adalah sama &ngan kadar kematian slput.

17

A l, ll and llll, ll dan lll

B I, ll and lVl, ll dan lV

C l, lll and lVI, llldan lV

D ll, lll and lVll, lll dan lV



SULIT 18 4551t1

27 piqglam 20 shours two types of vehicles.RaJah 20 menunJukkan Oui'jents kenderaan.

Diagram 2OlRajan 20

tA/hat are tire main polluiants emitted by these .--.eh!cles?Apakah bahan wrrcemar utama yang dtbbasj<an deh kenderaan tersea*?

J BenzeneBenzin

ll Sulphur dioxideSullur diol<sida

iand lll&ntlland llll&n lll

A

lll Nitrogen dioxideNltrqen dol<slda

lV Carbon monoxideKarbn monoksi&

ll and lVll&n lVlll and lVllldan lV

D

FiOJqt

c/alsE/o/o/.c/()/

v)l5\/-r7i/si

28 Eutrophication can be caused by the following exceptEutrollkasl 0r,leh dise0e,bkan oleh semua yang batfut kecuall

A untreated sewageKumAhan yang tidak dlrawat

B run-offs containing domestic wastealr iaian yang mengandungi buangan donestik

C overuse of chlorofluorocarbons in the industriesP e ng g u n aa n k I qoll urd<a rton 0eirl eti h a n d al a m I N u stri

D leaching of nitrates and phosphate from agricultural fieldpnyerapan nitat dan fos{at daipada kawesan prlanian

The sample of water in a lake shows a low BOD level.Sampe/ alr &d suafu tasik menunJul<kan tahap BOD yang rendah.

Which of the following statement best describe the situation?Manakah antara pmyataan bedkut yang terbaik menerangkan tentang keadaan tersebut?

A Pollution by untreated wastePencemaran oleh s.sa yang tidakdirawat

B An increase in the temperature of the lake.Peningkatan suhu tasik.

C The high amount of dissolve oxygen in the lake.Jumlah ol<sigen terlarut yang tinggi di dalam tasik.

O A decrease activity of rnicroorganism in the lakePenurunan aktiviti mikroorganisma dalam tasik

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Diagram 21 shovvs a pair of guard cells and the stoma.Rajah 21 menunjukkan sepasang sel pengawaldan stoma.

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31

Diagram 2llRaJah 21

Of the parts labelled, which is responsible for the opening and closing of the stoma?Pada bahaglan yang berlabel, yang manakah bertanggunglawab untuk petnbukaan &n pnutupnstqta?

The graph in diagram 22 shows several types of immunities.Graf dalam ratah 22 menunlukkan bberapa lenis kelnanan.

\ /hich one best represents passive immuniffiYang mana satukah yang pallng 0r,lk mewaklll kelmunan pslf?

468WekslMtnggu

Diagram 22lRaiah 22

,=

foFCEtr.- .=o&9E_3{

ar*rt

r',{'^}



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32 Structure X shown in diagram 23 exists in veins.struktur X yang ditunJukkan dalam ralah 23 wuJud clalam vena.

Diagram 23lRajah 23

It has the funclion ofla mempunyal{ungsi

A causing the blood to flow downwards to the feetmenyebabkan darah mengallr ke Mwah ke bahaglan kaki

B preventing backflow of blood on its way back to the heartmenghalang pngaliran ballk darah dalam prJalanan pulang ke jantung

C ensuring the muscles around it contract to squeeze the blood back to the heartmernastikan otot disekitarnya mengxut untuk memerah darah batik ke jantung

D pulsating in rhythm with the heartbeat as blood flows through itbrdenyut seirama dengan degupn tantung semasa &rah mengalir mebluinya

33 Which hereditary disease occurs due to lack of certain clotting factors in the blood?Penyakit keturunan yang manakah yang Mrlaku akiMt Rekwangan faktor pembkuan darah tertentudldalam darah?

34 A young plant has all its root lrair removed. The rate of transpiration of the plant decreases.Satu tumbuhan muda telah dlbuang akar rerambutnya. Kadar transplrasl tumbuhan terseDulmenurun.

Which of the following statement conectly explain the condition?Antara pernyataan berlkut yang manakah menerangkan Rqdaan tercebut?

EmbolismEmbolisme

ThrombosisTrom|ps,ls

A Reduce surface area for absorption ofwater.Mengurangkan luas permukaan untukpnyerapan air.

B Reduce rate of water transport.Mengu rang\an ka&r pengangkutan air.

HaemophiliaHemotllia

ArteriosclerosisAfteriosklercis

C Reduce rate of evapouration.Meng urangkan kadar Wnyerapn.

O Reduce capillarity action.Me ng ura ng ka n ti nhkan R api la ri.



SULIT

35 Which of the following bones is formed by the fusion of four bones?Antara tulang yang brikut, mana4ah yang terfuntuk darlpada gabungan empat tulang?

36 Diagram 24 shows V/thaped muscle segments.Ratah 24 menuntukKan segmen otot bertuntuk W

Diagram Z4lRalah 24

21 455111

cA

DB

The W-shape muscles in the fish areOtot MrbentukW pada lkan Nalah

A myosin musclesotot mlosln

B microfilament musclesotot mlkrofilamen

myotome musclesotot miotom

microscopic musclesotot mlkroskopik

C OsteoarthritisOsteoarfr?s

D Muscular dystrophyDistro{i otot

D

37 Which of the following musculoskeletal problems is clcsely related to the diet and theoestrogen level of a person?Antara masalah otot rangka MriKut, manakah yang berkart rapt dengan cara pmakanan dan arasestrogen seseorangT

A Muscle crampsKekeJangan otot

B OsteoporosisOsleoporasrs

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38 Diagram shows three types of neurons.Rajah menunJukkan ilga J6nls neuron.

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N2

/ih

IM,Ho

Diagram 21lRajah 25

which of the foilowing neurones are named correctty?Manakah antara neuroi brikut yans ad;ii"iii;;;' betut?

D

P o R

-

Afferent neuroneNeuron aferen

lntemeuronelnterneuron

Efferent neuroneNeurcn eteren

Efferent neuroneNegron eferen

Efferent neuroneNeuron eferqt

lnterneuronelnterneuron

Afferent neuroneNeuron afqen

lntemeuronelnterneuron

lntemeuronelntemeuron



Efferent neuroneNewon eferen

4551t1[LTHAT SEBELAHI


SULIT 45511'l

39 Diagram shows the mechanism of regulation of the body temperature of a normal person.Rajah menunjukkan mekanisme Wngawalaturan suhu badao seseorang yang normal.

body ternperature lncreasesuhu badan man[ngkat

response Mgerakbales M

ItI

II

II

braln monltors sensory lnputotek mcngawasl ltzput dcrla

I

I

I

receptors detect temperarure changercsqplor r?rong'.san pcrubahan suhu

receptors detect temperature changerosaptor mangasan pcrubahan suhu

i

Iibraln monltors sensory lnput

otak mcngcwasl lnput deria

I

I

Iresponse Ngcrakbalas Nt\

\ body temperature decreasesuhu badan trcnurun

Diagram 26lRaJah 26

What are response M and response N?Apakah gerak Dalas M dan gerakbalas N?

A

B

c

D

Response MGerakbalas M

Response NGerakbalas f,l

lncreased shiveringPenggig ila n ditl ng4atka n

Decreased production of sweatPe ng ha si la n pel u h diti ng katka n

lncreased metabolic rateK ada r meta b ll sme diti ngkafi<an

lncreased shiveringP engg lgi ! an d ltl ngkatka n

Decreased production of sweatP enghasllan pluh dikurangkan

VasoconstrictionPerwasor,erutan

VasoconstrictionPemvasqerutan

lncreased production of sweatPenghasllan peluh ditl ngkatkan



SULTT 4551t1

40 Diagram shovtrs the radicle of a seedling divided into 10 equal zones from its tip. The changein length of each zone is observed after three days.Raiah menuniul<kan radikel satu b$ benlh yang dlMhagikan kepada 10 zon yang sama &rlhuiungnya. Perubahan panjang pada seflap zon dlprhatlkan selepas tiga had.

Seedl I ngfAnak benlh

10 lndian inkmarks on theroot tlP 1mmaPart/1O tanda dakwatlndla denganlarak 1 mm padahuJung akar

Diagranr 2TlRajah 27

Which of the following graphs represents the growth of the radicle?Manakah graf fr,riktrt yang mantaklli prlumbuhan radlKet ltu?

10 zones ofroot tlp10 zon hujungakarl

l0r)

$i6_(

.l

:t

A Lenqth ofzonoslPonjang tott

Lcnqth of zoneslPanjong zott

,: r-ra.Lenqth of zoncd

Ponjottg zott

L',-

Length of zoncsJPonjang zott

D

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41 Table 1 shows the process of prenatal development in humans.Jadual 1 menunjukkan satu prqses perkembangan kehamilan dalam manusia

25 4551t1

J lmpl antation of blastocystPerlekatan blasfosis

K FertilisatiorrPersenyawaan

L Cell division tc fcrm moruiaPembehqlen sel untuk membentuk montla

M Blastocyst freely moves in the uterusElastos/s beqerak bebas &lam uterus

Table llJadual 1

Arrange the process in the correct sequence.Susunkan pros€s terseOul menglkutturutan yatry beiul.

A J+K+L+IVI

B K)L)J+M

C M)L'K)J

D K+L+M)J

42 The pistil of a flower consists of...Plsfit sekuntum bunga termasuRlah . -.

- A stigma, style, arilher, sepal and ovary C stigma, style, ovule. ovary and sepalstlgma, stll, anter, sepa/ dan wari stigma, stll, wul,6/ary dan sepal

B stigma, style, ovary, filament and ovary D stigma, style, ovary and ovulestlgma, stll, ovary, flamen dan ovai stlgma, stll, ovary dan ovul

43 A pregnant woman was infected on the 16n week of pregnancy. The infection caused theplacenta to stop functioning. What is the effect of the infection?Seorang wanlta mengandung telah d[angkltl pada nilnggu ke 16 kehamllannya. Jangkltan ftu telahmenyefubkan plasentanya tl&k ber{ungsl. Apakah kesan Jangkltan ltu?

A A Down's syndrome child is bornAnak yang ffenghldap slndrom Dwn dilahlrkan

B The uterus wall continue to thickenDlndlng uterus terus menebal

C The foetus is abortedFetus akan keguguran

D The foetus continues to developFetus terus berkembang

455111 ILTHAT SEBELAHT


SULIT

A land llI dan ll

B land lVldan lV

26

Diagram shourrs a sigmoid groMh curve of an organism.RaJah menunJukkan lengkung pertumbuhan slgmdd suatu organ5ma.

Tirne/nasa

Diagram ZSlRajah 28

What will happen at phase X?Apakah yang beilaku pada {asa X?

I The growth rate is zeroKa&r pftumbuhan ialah sifar

ll lt has the highest growth rateKadar pdumbuhan ialah paling tinggi

Itl The size of an organism increase rapidlySaiz organisma brtambah dengan cept

lV Cell division occurs to replace dead cellsPemfuhagian sel brlaku untuk menggantikan sel-selyang telah mati

(!\.q

8EFIEtrr-O(UQOr--(t).L L,

ET9E6h

o-

C ll and lllll&n lll

D lll and lVlll dan lV

155111

4551/1 [LTHAT SEBELAH]


SULIT 45s1t1

45 Diagram 29 shourts a pair of homologous chromosomes.Rajah 29 menunjukkan sepasang kromosom homolog.

jv---=Diagram 29/Ratah 29

What is S?Apakah S?

A Gene C AlleleGen Alel

B Trait D CharacteristicTralt Ciri

46 Table shows the Punnett square representing the gametes involved and the ofispringproduced from a dihybrid cross. Numbers 1 to 16 represent offspring produced by the cross.Jadual menunjukkan sqlempat Punneft yang mewaklli gamet-ganet yang terlibat dan anakanak' yang terhasll dartpa& satu kacukan dwlhlbrld. Nombr t hlngga 16 mewaklll anak-anak yang terhasildadpada kacukan lnl.

GameteGamet

AB aB Ab ab

AB 1 2 3 4

aB 5 6 7 8

Ab I 10 11 12

ab 13 14 15 16

Table 2lJadual2

Which of the following numbers show homozygous genotype?Ma nakah a ntara rrcmbor- nombor berikut men u njukkan genoti p homozigot?

A 3and14 C 5and103 dan 14 5 dan 1A

B 1and16 D 9and121 dan 16 9 dan 12

27

ilr4F



SULIT4651t1

47 A colour blind man manied a woman with a normal vision who is a carrier. lf they were tohave a daughter, what is the probability that she would be colour blind?Seorang lelaki buta wama brkahwtn dengan s@rang wanita pngtlhatan normal. Jika merekamen&pat anak rercmpuan, apkah kehrangkallan anak perempuan ltu buta wama?

28

AO

B 0.25

c 0.5

D 10

48 The diagram shows a t-ype of chromosomal mutation.R alah men u ntukkan se/enls m utasl kromosom.

Diagram 3O/Rajah 3A

This type of chromosomal mutation is cailed...Jenis mutasi kromosom int dikenali seMgai. ..

A deletionplenyapan

inversionpenyongsangan

duplicationpnggandaan

translocationtranslokasi



SULIT 29

49 Table shows the height and weight of two individuals P and Q.Jadual menunjukkan ketlnggian dan berat badan dua individu P Can Q.

lndividuallndlvtdu

Heigtrt (cm)Ketlngglan (cm)

Weight (kg)Eerat kg)

P i75 65

o 82 75

Table 3lJadual3

Which is the major faclor that causes the ditference between individuals P and Q?Apakah faktor utama yang menyefr,bl<an perbezaan antara lndlvklu P dan Q?

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A Genetic factorFaktor geneAk

Environment factorFal<tor persekltaran

Hormonal inbalanceKetldaksei mban g a n h ormo n

MutationMutasl

D

50 A couple has four children with blood groups A, B, AB and O. What are the pcsibble bloodgroups of the couple?Sepasang suarnl lsted mempunyal empt orang anak dengan kumpulan darah A, B, AB dan O.

Apakah kumpulan darah yang mungkin bqi psangan suamllsteri tersebut?

HusbandSuami

Wifelsterl

A B

AB o

AB A8

B AB

KERTAS SOALAN TAMAT

A

D

eslr/

sis/o/o/

a/9lxlc/}/:/s/

\.(UrU

!\o-\<U)A)o

L\?;\a)

*Qa-

lLtHAr s 3 {-nnl(I)

L\

ls--l 8/

le1rsi

-€Yo/o/

a/s

4551t1


SULIT

4551/1

PEPERI KSAAN PERCUBAAN BERSAMASPM 2012 PERLIS

BIOLOGYPAPER 1 ANSWER SCHEMESKEMA JAWAPAN KERTAS 1

www.mYschoolchildren.com

4551t1

1. C 2.C 3.84,A Ccl

\, . l-,a^AO. L.,

7nt.v a.B 9.C10. B 11. A 12. D

13. D 14. C 15. D

16. C 17. A 18. AIB

19. A 20. A 21 . C

22. A 23. B 24. B

25. A 26. B 27. D

28. C 29. C 30. D

31 . A 32. B 33. C

34. A 35. D 36. C

37. B 38. D 39. AID

40. A 41 . D 42. D

43. B 44. B 45. C

46. B 47. C 48. B

49. A 50. A

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1. 2. 3. - · pdf file3 diagram 3 shows a model of the plasma membrane. ... lcromos,om sel an...

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