SIJLIT

NO. KAD PENGENALAN

55t2 ANGKA GILIRAN

Science / SainsPaper2 /Ker tas2Ogos20091% hours /1 jam 30 minit

55n

PEPERIKSAAN PERCUBAANPENILAIAN MENENGAH RENDAII

NEGERI PERAK2009

SCIENCESAINS

Paper 2Kertas 2

I how 30 minutes

1 jam 30 minit

DO NOT OPEN THE QUESTION PAPER UNTIL YOU ARE TOLD TO DO SOJANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU

1. Writg IC AND INDEX NUMBER iNthe spaces Fovided.Tuliskan NO KAD PENGENALANDAN ANGKA GILIRAN pada ruqhgyang disediakan.

2. This paper is bilingual.Kertas soalan disediakan dalamdwibahasa.

3. Question in English are followed bytranslation in Bahasa Melalu.Soalan dalam bahasa Jnggerismendahului soalan yang sepadan dalambahasa Melayu.

4. Candidates is required to read theinformation on page 2,Cqlon dikehend.aki membaca maklumatdi halamqn 2

SectionBahagiqn

QuestiooSoalan

Full Ma*sMarkah Penuh

MarksMarkah

I 6

2 '7

3 6

4 7

5 7

6 'l

B7 8

8 l2

Total marksJumlah 60

5sn

Kertes soalan ini mengandutrgi 20 halaman bercetak

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SULIT 2

INT'ORMATION FOR CANDIDATESARAEAN ANTAK CALON

5{/?

l. This question paper consists of two sections : Section A and Section BKertas soqlan ini mengandungi dua bahagian : Bahagian A dan Bahagian B

2. Write your answer in the space provided in tlrc question paperTulis jowqpqn andq dslam ruang yang disediakan dalam kertas soqlan.

3. Show your working, it may heb you to get ma*Tunjukkan kerja mengira, ihi dapat membantu anda mendapatkan markah.

4. If you wish to cancel any answer, neatly uoss out the answer.Sekhanya anda hendqk membatalkan sesuatu jawqpqn, buat garisan di .rtas jqtaqpan itu.

5. The diagrEms in the question provided are not drawn to scale unless stated.Rajah yang uengiringi soslan tidak ditukiskan mengikut skala kecuali dinyatakan.

6. Mark allocated for each question or part question are shown in brackets.Markah yang diperuntukkan bagi setiap soqlqn atau cerqiqn soalan dituniukkon datankurungqn.

7. The time suggesied to complete sectiotr A is 60 minutes and section B is 30 minutesMqsa yang dicadangkan untuk menjawab bahagian A ialah 60 minit dan bohsgian B iqtqh30 minit.

8, You may use non-programrnable scientific calculatorAndq dibenarkan menggunakan kalkulqtor sqinti/ik yang tidqk boleh diprogam.

9. Hand in all your answer sheets at the end of the examination.Serah semua kefiqs jawapan di akh pepe ksaan.

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Section ABahagisn A

[ 40 marks ][ 40 markah ]

Answer all quesionsJqwqb semua soqlsn

1. Diagrarn I sltows tie ararg€ment of particles in substances B Q and RRajqh 1 mewtnjukkan susunan zarqh-zqrah bahffi P, Q dqn R.

ooo3fo

P

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Diagram 1Rajah I

[3 nad$][3 na*ah]

(a) Name 0le t}?es of substances showl in Diagram 1 by using the following words,Namakan jenis bahan yang ditunjuk*an pqds Rajqh I dengan menggunakanDerkatqan be kut.

ElqnentUnsur

CompoundSebatian

MixhrleCampuran

O) State one method to separat€ mixh[e components .Nystqktn satu kaedah memisahkan komponen dalam campurqn.

I mark][1 narkah]

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Draw lircs io match substanc€s R with its examples,Lubis garisan untuk memadankqt bahan R dengan contoh - contohnyq.

ExsmplesContoh-contoh

,,'\ Ammoniav Ammonia

- Gold" Emas

1.') Water' Ait

n Air" udoro

[2 marl<s][2 markahJ

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SULM

2. Dia$ui2.1shows animals J, K and L with different t?es of suppof system.Rajah 2.1 menunjukkan haiwan J, K dan L yang uempunyqi jenis sistem sokanganyang berlainan.

Diagram 2.1Rajah 2.1

(a) (i) Name any two t?es of skeletons of animals J, K and L in Diagram 2.1trc following wordsNamakan mana-mano dua jehis rungko haiwah J, K dan L dalamrcjah 2.1 menggunakah pe*ataqn berikut

EndoskeletonEndoskaleton

ExoskeletonElcsoskeleton

Hydrostatic skeletonRangko hidrostatik

[2 markah][2 marl,,ah]

(ii) Give another example of an animal that has the same suppofi system as:Berikdh satu contoh hairran laih yahg mempunyai sistem sokohgan yangMma seperti:

uslng

K

L

J K L

a<t

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[2 marlc][2 narkah]

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O) Based on Diagram 2,2, choose two animals which have same tlpe of skeleton asanimal J in diagram 2.1.Mark (X) in the box for the animalsBerdasarkan rajah 2.2, pilih dua hsiwan ysng mempunyai sistem rangka yangsama dengan hqiran J sepefii dalam rajah 2.1.Tandakan ($ dalam kotak bagi haiwan-haiwan tetsebut.

Diagrallr 2.2Rajah 2.2

[2 marl(s][2 narkah]

Diagam 2.3 shows a snail.Rajah 2.3 menu/iukkan siput,

(c)

Structue MStruktut M

Diagram 2.3Rajah 2.3

State the function of struchne MNyatakan satu fuhgsi sttuktur M

[1 mark][ 1 narl,.ah]

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SULIT

3. Dagmm 3 slrows part of the human digestive slstem,Gambarcjah 3 menunjukkah bahagian sistem penghadaman manusia.

(aJ

Diagram :Rajah 3

Name the paxt labelled P and pNamakan bahagian berlabel p dan e

p

Q : . . . . . . . . . . . . , . . , . , . . . . . . . , .

[2 marks][2 ma*ah]

What is the filncrion of Q?Apakah fungsi organ Q?

fl markl[1 markahJ

What is the fmction of Villi on the irurer surface ofp?Apakah fungsi vilus di permukaan dalam p?

(b)

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[1 mark][1 narkah]

(d) Narne two tytr'€s of food which can be absorbed throueh the villi.Notuakan 2 jenis makanan yang boleh diserap nelitui vilus?

(i)

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12 narksl[2 nartuh]

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4. Diagnm 4.1 shows part of the electrical tansmission and distxibution system.Rajqh 4.1 menunjukknn sebahagian daripqcla sistem penghqntarun dan pengagihankuasa elektrik.

Diagram 4.1Raiah 4 1

(a) Identify the component iabelledKenqlpasti komponen berlabel

P : " i;;;ki

ft natkahl

Qr[1 mark]

fi narkahl

(b) Diagram 4.2 shows a simple tansformer which is made of two coils of wirewapped around an iron core.Rajah 4.2 menunjukkan sebuah transformet' ringkqs dipelbu^l daripada duagelungan dawai wayar pada sat teras besi.

Input voltage

Dragfal'r, 4.2Rajah 4.2

Name coil XNamakan gegelung X

(t

[1 nark][1 markah]

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SULIT 9

State tlle tlpe of t"ansfomer in Diagram 4.2Nyatqkan jenis transformer sepefii dalam rcjah 4,2

G) ForE)eminel 3

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4OXii)

t lI - -

I lr l

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[1 mark][I markah]

[ii) State the fimction of the tcnsformer in Diaoam 4.2Nyatakan lungsi trandorner pada Rajai 4.2

(iv) Dnw a symbol of a aa]|sformer in the box belowLubiskan simbol transfomer dalam petak di bowah

(v) State the t,?e of cunent Foduced fiom the ha.nsformerNyqtakan jenis a/us yang tefiqsil dqripada trunsfurmer

I maxk][1 narkah]

I I mark][1 narkah]

[1 mark ][] narkahl

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Diagram 5 shows an expedment canied out to show that carbon dioxide is needed forphotos).nthesis. Both plants A and B are kept in the dark for two days before theexpedment. Then it was placed under the sm for three hows.Rejeh 5 menuhjukkctn satu eLsperimen dijalankan untuk menunjukkan karbondioksidq diperlukan untuk fotosintesis. Sebelum el+sperimen ini dijalankan kedua-dua tumbuhan A dqn B diletakkan di tempst gelqp selqmq elua hari dankemudiannya diletqkkan di bowah sinar matahari selama tiga jam.

10

5.

The sun

\xl.;^.,-s:.Bell je

Sodium hydroxide solutionLarutan no I ritn hi drc 16 ide

Plant ATumbuhan A

Plant BTumbuhan B

(al

Dagmm 5Rajah 5

What is the fimction of sodium hydroxide solution?Apqksh fungsi larutan natrium hidrol$ida?

[l mark][] narkahl

W}ly arc the plants kept in tlrc dark for h'vo days before the experiment?Kenapa sebelum elTperimen, tumbuhan itu disimpan di tempqt gelap selamadua hari?

[1 mark]fl narkahl

(c) Suggest one other chemical that can rcplace sodium hydroxide solution in tlisexpenment.Cqdangkan satu bahon kirhia lain yang boleh menggantikan larutan nariumhidroksida bagi ekspefihen ini.

[1 ma*][] ma*ahl

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SI'LIT 11

(d) Which plm sho|s the prescnc€ of sEah c tlrc erd ofthe experitn€d?Tunbuhn nnna*ah ,rwn{utran tet@ faii dalam eksperinen inlT

11 msrk1ll nokahl

Give qre reason for the anmnr in (OBerilen sotu sebab untuk bogl j6u'apan anfu di (d)

tl ma*]fl noknhl

Statc two otlEr factors that ate tr€ed€d f6 photosydFsis.Nyatakan &n falaor lain yang diperlukan untuk fotosintesis.

(i)....................,..,.......

(ii).........,........,.........,. -_."E;di

[2 ntkah]

(e)

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6.

1 '

Diagram 6 strows a human kidney.Rajah 6 menunjukkan satu ginjal manusio.

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Diagmm 6Rojah 6

(a) (i) On Diagmm 6, label Q and R using the following words:Pada Rajah 6, labelkan Q dan R dengan menggunakan perkataqn berikut

Cortex Pelvis MedullaKortexs Peleis Meduls

(ii)

[2 mark][2 markah]

State the firnction of PNyqtakqn satu fungsi P.

[1 mark][] narkahl

State one excretory product which will be eliminated tlrough P to the urinarybladder?Nyatakan satu bahan petlamuhan yang aktn disingkirkan melalui P kepundi kencing?

U markl[1 markah]

(b)

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SULIT 13

(c) @ State the ditrerence between ore blood in blood vessel X and YNystqlqn satu perbezaan antan darah Mam salur daruh X dan salurdsrqh Y

Blood vellel XSaIw daruh X

Blood vessel YSslur darah Y

I ma*][1 narkah]

CD Explain your arsw€r in (c)(i)Terungkon jqwaryn anda di (c)(i)

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Il madqF nq*ahJ

State another oxq€tory organ in human body.Nyatqkan $qtu organ perh.Muhan yang lqin

[1 mark]fl narkahJ

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Section BBqhagian B

[20 marks][2a markah]

Answer all questionsJ6rab semuq so^lan

Diagram 7 sholrs a pictures of animals J, K, L, M and NRajqh 7 menunjulr+,an gqnbar haiwan J, K, L, M dan N

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7.

Diagmm 7Rajah 7

(a) State the types of fertilisation practiced by any four of animals J, K, L, M and N'

Nyatakan jenis persenya\laan yong dilakukan oleh mqka'man1 empat haiwanJ ,KL ,MdanN.

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(b)

Type offertilization

JenisPersenyal|aan

15

Classify animals J, K, L, M and N in Diagram 7 into two groups based on theircommon characterislics.Name the animals belo[ging to each group.Kelasktn haiwan J, K L, M dan N pada RaJah 7 kzpqda dua humpulanberdasarksn ciftl-cbi sepunyaNamak4n haia'an-haiwqn dalom setiap htmpulqn.

Names of theanimalsNama contoh-conloh haiwan

[4 marks]14 nartahl

J , K, L , M,N

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An experiment is carried out to investigate the relalionship between the mass and thevolume of a liquid.Diagmm 8 shows the set-up of the apparatus for the experiment.Satu eLsperimen telqh diialankan untuk menyiasot hubungan di ahtaru jisim dahisipadu cecaixRajah 8 menunjukkan sebuah radas untuk elgperimen tersebut

l6

8 .

BeakerBikar

I-ever balance

Diagram 8Raiah 8

An empty 250 cm! beaker is weighed using a lever balance 20 cmr ofa liquid is powedinto the beaker. The beaker with *te liquid is reweighed.The procedure is repeated using different volumes of the liquid; 30cm3, 40 cm3 and50 cm3.Sebuah bikar kosong yang berukurqn 250 cm3 ditimbang menggunakan neraca tuas.20 cm! cecqtu diluang ke dalan bikar dan diukur berathyq. Langkah ini diulangmenggunakan isipa&, cecair yang betbeza iaitu, 30 cmr , 10 cmi , dan 50 cmr

(a) (i) Recold the mass of the beakers with different volumes of the liquid.Rekodkqh jisim bikat bersama isipadu cecai/ yang belbeza

Mass of empty beakerJisim bikar kosong

Reading = 5l gBacaan = 51 g

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SUI,IT t7

Ivhss of bcaker + 20 cm3 of the liquidJitin biko + 20 qf cecair

Rcading = 60 gBacaan = 60 g

Mass of beaker + 30 cmt of tln liquidJisin bikar + 30 cmt cecqir

Rcoding =

Bacsan =--.---..........s..-- -.. ..- .-8

Msss of bcalcr + /() cm, of thc liquidJlsln blkar + 40 cnt' cecair

Rcading = .....................g

Bocun = ..... -, -..,.... -g

Masa of b€aka + 50 cm! of ihe liquidJtsin bikar + 50 crrf cecair

R€ading - 84gBacaq - 849

[2 rrats][2 narlahJ

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(ii) Complete Table 8 by recording the corresponding mass of the difer€nt volumesof tlle liquid.Lengkapkan Jadual 8 dengan merekodkan jumlah jisim berdasarkan soalandi q) (r.

Volume of liquid (cnrl)Isipadu cecair (cmt) 20 30 40 50

Mass of liquid (g)Jisim ceca (g) 9 33

Table 8Jadual 8

(b) State the following vadables in the experiment.Nyatakan setiap pembolehubah dqlqm elaperimen berikut.

[2 marks][2 narkah]

[3 ms s][3 marksh]

(c) Wlut is the hlpothesis for the experiment?Ap a kah hipote s is e ksperimen?

Manipulated variableP em b o le hub ah dimanipul asiResponding variableP embo I e hubah bergerakbalasContolled variableP embo I e hub ah dimalarkan

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[1 mark][] narkahl

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snrxT 19

(d) For lhis palt of the qrstion rue the graph paper provided on page 20.Untuk ceraian soqlan ini, gunakan kertas graf yang disedialan gmdahslartan 20.Baxd on Table 8, dmw a graph of mass of liquid against vohune of liquidBerdasarkan Jaduql 8, lqkafign graf jisin melawan isipadu cec6it,

[2 !na*][2 narkah]

(e) Fron the graplr, state the relationship baween the mass and ore volume of theliqudBerdosarlwn graf, nyatakan hubwgan antarc jhim dan isipd cecair

lt nurklp narkahl

(D Usine the gBptt pr€dict the mass of the liquid *fien its volume is 25 cm?.Menggunakan gral rumalkan jisim cecair apabila itipadu beruhlrs\ 25 cmt.

ll marklft narkahl

END OF QIJESTION PAPERKERTAS SOAUIN TAMAT

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55/2SULIT

30

25

20

15

20

Graph for Question 8(d)Gruf untuk Soalan 8(d)

20 30 40

Volume of liquid (cz)Isipadu cecair (cmi)

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JABATAN PELAJARAN PERAKPEPERIKSAAN PERCUBAAN PMR 2OO9SKEMA JAWAPAN SCIENCE KERTAS 2

QUESTIONNUMBER SCHEME MARKS

TOTAIMARKS

l . (a)

(b)

(c)

P : ElementQ: Mixtu.cR: Compound

Distillation // Evapontion // Filtration //Using magnet // Sieving // Extraction

3

I

2

Total 62. (aXi )

( i i )

(b )

( c )

J : Hydrostatic skeletonK : Endoskeleton(internal skeleton)L : Exoskeleton (external skeleton)

K :Cat // dog /(any suitable answer)L : Coachroach // house fly / (any suitable answer)

EE

E

To protect the body // suppoft the body

2 correctI correct

2I 2

2

2

l

Total'l 7

3 (a)

(b)

(c)

(d )

P : small intestineQ i large intestine

Reabsorbs water into the bloodstream

To increase the rate ofabsorption ofdigested foodin the intestine // increase the surface area for theabsorption of the products of digestion

i : Glucoseii. amino acidiii fattv acid and elicerol

2

1

I

2

Total 6

4 (4,

(b)

P : Transformer station // step up transformefQ : switch zone // step down t.ansformer

(i) : Primary coil(iD : Step up transformer(iiD : Raising the voltage ofaltemating

current/lncrease the output voltage

(iv)

(v). alternating cunent

2

3

i

I

Total 75 (a)

(b)

(c)

(d)

lel

To absorb carbon dioxide

Remove starch in the leave

Poltassium hydroxide solution

Plant B

Plant can do photosynthesis because carbondioxide is present

(i) Light // sunlight(ii) Chloroohvll / water

l

l

I

I

I

2Total 7

6 (a)

(b)

(c)

(d)

(i) Q: CortexR : Medulla

(ii) P ( Ureter ) channel urine from the kidneyto the udnary bladder

Mineral salt // water // urea

BloodVessel X

BloodVessel Y

Caniesoxygenatedblood

Carriesdeoxygenatedblood

(ii) Oxygen is used up by the kidney //

Skin // lungs

II

I

I

I

I

2

I

Total 77 (a)

(b)

JKLMN

lnternal FertilisationIntemalFerti l isatiohIntemal FenilisationExtemal FeftilisationExternal Fenilisation

J ,K ,L ,M,N

Tortoise//J,Dolphin/,4(Eagle/bird//L

Fish //MFrog // N

IIII

l+ l

l + l

4

2

2

Total 8

8 (4,

(b)

(c)

(d)

(e)

(f)

Reading (i) : 68.0Reading (ii) : 76.0

(iD

The mass ofa liquid incfeases when the volume ofthe liquid increasev/The mass ofa liquid decrcases wh€n the volume ofthe liquid decreases

Refer to the SraphShould have at least 3 pointsShould draw a straight line

The mass ofa liquid increases when the volume ofthe liquid increases//The mass ofa liquid decreases when the volumc ofthe liquid decreas€s

13.0 g

Volume ofliquid (cm')Isipadu cecair ( cm') 30 40Mass of liquid (g)Jisitn cecair ( cm" )

r7,0 25,0

Manipulated variable Volume of liquid

Responding variable Mass of liquid

Controlled variabl€ Type ofliquid// thetype of b€aker // thesize of beaker

I+ l

I

I

2

2

3

I

2

I

1

total t2

Total 60

Mass of liquid (g)Jisim c€cair G)

35

30

25

20

l5

l 0

a)

50402010 30

Volume of liquid (cm3)Isipadu cecair (cm3)