STPM Trial 2010 Bio 1 & Ans Kelantan

20
.l SI,JLIT 964t1 Iliology (Biologi) Paper1 (Kertas l) 2010 1 Fiour 45 Minutes (1 Jam 45 Minit) PEIISIDANGAN KEI}ANGSAAN PENGETUA-PENGETUA SEKOLAH MENENGAII MALAYSIA (PKPSM) CA}YANGAN KELANTAN' PEPERIKSAAN KENDALIAN BERASAIS1I .SSKOLAII (PKBS 3) PEPERIKSAAN PERCUBAAN sIJIL rIN GGIPERSEKOLAHAN IvI AL-+IS-ll trnrainvsra HIGtrEn scHool, CERTIFICATD BIOLOGY (BIOLOGI) PAPER r (KERTAS 1) lVIULTII'LE-CHOICE (ANEKA PILIIIAN) One hour and fortY-five minutes (Satu jam emPat Puluh lima minit) Instruction to candidates: DO NOT OPEN TTIIS QUESTION PAPER UNTILYOU ARE TOLD TO DO SO' TherearefiJtyquestionsinthispaper.Forectchqtte'stion'fottrsuggestedan'swar aregiven. choose ou" ,-orruri nnsrurr'ard indicare il on tthe multipLe-choice unsu'er sheet prouidrrt. Read the irtstructtons on the mlitiple-choice answer sheet carefully' Anstver all questions Mark will not be deducedfor the wrong answers' @ 18 printed pages and2 blank Pages [Turn over 9()11] :. /-oNFIDF.N'I lAL until the examination is oVER CONFTDENTIAL* *l'his qtrestlon paper ls LL/r\r rur''

Transcript of STPM Trial 2010 Bio 1 & Ans Kelantan

Page 1: STPM Trial 2010 Bio 1 & Ans Kelantan

. l

SI,JLIT964t1Il iology (Biologi)

Paper 1 (Kertas l)

20101 Fiour 45 Minutes (1 Jam 45 Minit)

PEIISIDANGAN KEI}ANGSAAN PENGETUA-PENGETUA

SEKOLAH MENENGAII MALAYSIA (PKPSM)

CA}YANGAN KELANTAN'

PEPERIKSAAN KENDALIAN BERASAIS1I .SSKOLAII (PKBS 3)

PEPERIKSAAN PERCUBAAN

s IJIL rIN GGI PERSEKOLAHAN IvI AL-+IS-ll

trnrainvsra HIGtrEn scHool, CERTIFICATD

BIOLOGY (BIOLOGI)PAPER r (KERTAS 1)

lVIULTII'LE-CHOICE (ANEKA PILIIIAN)One hour and fortY-f ive minutes

(Satu jam emPat Puluh l ima minit)

Instruction to candidates:

DO NOT OPEN TTIIS QUESTION PAPER UNTILYOU ARE TOLD TO DO SO'

Therearef iJtyquest ionsinthispaper.Forectchqtte 'st ion' fot t rsuggestedan'swarare given. choose ou" ,-orruri nnsrurr'ard indicare il on tthe multipLe-choice unsu'er sheet

prouidrrt.

Read the irtstructtons on the mlitiple-choice answer sheet carefully'

Anstver all questions Mark will not be deducedfor the wrong answers'

@ 18 printed pages and 2 blank Pages

[Turn over9()11] : . /-oNFIDF.N'I lAL unti l the examination is oVER CONFTDENTIAL** l 'h is qtrest lon paper ls LL/r \ r rur ' '

Page 2: STPM Trial 2010 Bio 1 & Ans Kelantan

c()N t,'t t) _L N'l' I.4, l. *

I Wtry docs icc f ioat in rvalcr. ' /

(2) 964/l

( l

t )

; \ ' l he l i i lLr iL l rvater nrolccrr lc.s l ravc rnurc e ncfg) a.( l can p.rsh the ice up.l l I l re hyrlrogen boruis bctvlecn thc nrolccules in ice prevent the ice l i .orn

sinking.

l lyr l roge n bo.cls kccp thc ' r , lecules

of icc apart tha' in l iqLr ic l rvatcr .l 'he crystal l ine lat t ice of ice causes i t to be clenser t l ran l ic tu i t l water.

Which statentent is t rue of 'both starch and ol cel lu lose,/

A ' l -hey arc both polynicrs ot 'glucosetl ' lhey can both bc cl igestecl by hurtrans(l ' l 'hey are both Lrsed lbr energy storage in plantsD ' lhey are both str i rctLrral contponents of the plant cel l wal l .

J'he chemical reactions i l lustrated in the figure below resr-rltot'

in theformation

oItI

CIJ,I

peptide bonds

ionic boncls

glycosidic bonds

hyclrogen boncls

I I .C CH.

I I CFI Ot t t i

I I

OHI

t " )

Y 'i'i't __ T 'i',I?L_

ry-9-9, (o ' l H] N-c--Lg_gdr" , ' , A F , l

t]cll )

\ ) (A/ l' " I i r is c l r rcsi i t t r r papcr Lini i I t l ic exa'r i .ar iorr is OVUt{. , ' , )* , , t r t [ , t iT] l i i lJis Cl() l i l j l t ) t rN f l , \ l

Page 3: STPM Trial 2010 Bio 1 & Ans Kelantan

CoNFIDENTIAL* (3) .g64t l

4 What do both mitochondria and chloroplasts have in common?

I ATP is produced

II DNA is present

III Ribosomes are present

A I only

B I and II only

C. I I and I I I onlyD I, II and III

5 A cell lacking oligosaccharides on the external surface of its plasma

membrane would likelv to be inefficient in

A transporting ions against an electrochemical gradient

B cell-cellrecognitionC maintaining fluidity of the phospholipid layer

D establishing the diffusion barrier to charged tnolecules

6 Which cell structure does not correspond to its function?

ccll structureA cell wallB chloroplastsC chromosomes

D ribosonres

functionsr-rpport, protectionsite of cellular respirationgenetic control information

site of protein synthesis

964ll [Turn over+This quesl ion paper is CONfTtDENTIAI. unti l the exarninatiort is OVER- CONFIDENTIAI,*

Page 4: STPM Trial 2010 Bio 1 & Ans Kelantan

fidlrlililiVfu

cONFil)[ ]N', t ' t . . \ t , , t

7 I l rc t l iagrani be lorv slror,vs a ccl l

(4)

foLrncl in an organ irr rhe body.

964/r

,| nricrovil l i

Iront i ts st lucture, rvhat are the functions ol ' this cel l?

A Secretion ancl transport cl t 'nrucusLl Phagocytosis, pinocytr.rsis, ancl sccre t ionC Intracel lular digestion and transporl of proclr-rctsl) E.hance thc Lrptake ard tra'sport of l luids against a concentr-at ion

gracl ient.

whicli of t l ie foll.wing plant t issrres is incorrectly matclrecl with rtsc harlac tcrist ics'/

7'i.y.tttc.s

A Ool lenchyrna[] t. ipii lcrmisC SclerenchyrnaD l)arenchyrna

clturucteri.rt ic-s AUnitbrmly thick-walled sLrpportive tissuel)rotective outer covering of plant bo<1yl lcavily l ignifi ed seconclary walls' l 'h in-wal led, loosely packed, unspecial ized cel ls

' l l te reactictn ratc ol salivar.y nmylrrse on starch clccreases as tle conceptrationof chlolit le ions is rctlucccl. which of rlre lbllo,"ving rlescritres the role of thcchlol ide ions?

c0-cnzyl l teS

co- lzrctors

cornpet i t ive inhibi tors

norr-contpct i t i vc i t rh i b i tor .s

IJ

(l

l )

961/|r l l r is c lLrest iu. paPcr is c io i . i l r i l ) r .N-r ' i i \ r . Lrrr t i r the exarrrrr*r i r . r r r is oVi i t i

[Turn overCONII IDI iN' f IAT,*

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' : i ' l '

CONFIDENTTAL* (5) 96!!1

10 In an investigation to cletermine the effect of tetnperatttre on the activi ty of

enzynle, the t ime for al l the substrate to disappear l l 'onr a stanclard solut ion

u'as t 'ecorded. Which graph shows the results of this investigation?

| --'t /

t /t 'mei /z

It*--\t \

t ime | \

l \t \

temperal:LiIe

i / \t / \l / \

tempera ture

l l

l \ II \ I

l \ j_temperaiure

teolperature

TJ

fl nte

I I I- isted belo,,v are the stages in the celltr lar synthesis of a protein

I an arninoacyl-tRNA binds to the A site

II a peptide bond ibrms

ll l tfu\A leaves the P site and the P site remains vacant

IV a small ribosomal subunit associates with mRNA

V tft\A translocates to tlte P site

In rvhich order do these stages take place?

A I , I I I , I I , iV, V

B IV,I , I I , V, i I I

C IV,I , I I I , I I , V

D V,IV,I I I . I I , I

961/ l l l l r rnov.r*- l 'h is qLresr i r - .n p:r ; - .e r is CONF{DEf. l ' i { ; \L urr t i l [hr exarnirra-t ion is OVER. C-ON]- lDINl lAL'1

t )

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c()Nlr i l ) t ]N] ' IA t, i (6)

l2 l 'he diagrant belolv repLesents tltNi\ that recognizes anclanr ino acic l . Which ol ' the fb l lowing tr ip lets of bases oncoclcs lor this arnino acid'?

964t1

bincls a palt icular

the mRNA strand

t l

A IJ(JGi] C]CCc 'f]-ct ) l r tJC

which of'the fbllowing is not a uselul t irnction of the l ight reactions?

A [te leasing oxvge n lbr photorespirationIi Splitt ing rvaterCi Synthesis of NADPIIl) Oorrvclting l ight energy ro clrenrical cnergy

961/ |" l ' l t is t r t rcsr i t ' r r r r rDcr is CIONIl t ) I :N' l l : \ t trrr t i I ine c,,:.r' ir*rr iorr is O V E l(. atOn rl n ['ti ilii"rij

Page 7: STPM Trial 2010 Bio 1 & Ans Kelantan

CONITIDENT'IAL* (j ) 9(t4tl

l4 CAM plants can keep their stomatas closed in daytime. thus reducing loss ofx'ater. They cari do this because they can

A ilx COz into organic acids cluring the night

B {rx COz into sugars in the bundle-sheath cells

C {ix COz into pymvic acid in the mesophyll cellsD use photosystems I and II at night

l5 Sr"rppose a yeast cell nses 10 rnoles of gh-rcose for energy production. Nooxygen is available. What wil l be the maxinrum net yield of ATP in moles?

A12n t<

c20

.D 30

16 The oxygen consumecl during cellular respiration is directly involved in

A glycolysis

B accepting electrons at the end ofthe electron transport chain

C the Krebs cycleD the oxidation of'pyruvate to acetyl coA

l7 Which oI the fo l lo ' ,v ing statement regarding the nutr i t ion of l iv ing organisrns

is not true. i!

A Chemosynthetic bacteria make use of energy obtained frorn the oxidationof inorganic substances such as ammonium and nitrite.

B Photosynthetic bacteria synthesise organic food from carbon dioxide and

rvateluvith the use of light energy absorbed by bacteriochrophyll

C Rabbits are holozoic heterotrophs

l) []acteria and fungi decornposers are saprotrophs

96411 [ ' l ' t rrn over*- [h is r ;uest iorr papcr is CONFIDfTNI ' lA[ , unt i l the exarninat iorr is OVE[?.. CONIf IDENI ' t ; \1,*

Page 8: STPM Trial 2010 Bio 1 & Ans Kelantan

CONb' lDt iN' t ' t ; \ r . " (8) . )6, t l

l8 ' lhc opcuing of stonlatas is thotrght to i r jvolve

A an i r rcrei tsc in the osrnot ic concentfat ion of the guarcl cel lslJ nt()! .e nl i lnt ot 'rverte r orrt ot ' the gLrarcl cel lsCl clecrease turgor pr€ssure in gLrarcl cel lslJ nlo\,cl l te nt of K' or-rt oi 'gLrar.cl cel ls

l9 ]-he chloride shi l i in recl blooci cel ls is the movemenr of

A cations into the cel l to balance i ts r.rptake oi 'cl i lor icle ionsB clr lor i i le ions oLtt of the cel l to balance the release of hydrogencarbo'ate

ions

C chloridc ions intr,r thc cel l to balance i ts uptake of hydrogencarbonate lorlsD chlor ide ions into the cel l to nraintain electr ical neLrtral i ty

20 If during protein starvation, the osmotic pressure on the veno.s sicle ofcapi l lary becls drops below the hydrostat ic pressur.e, therl

A haemoglobin wil l not release oxygen[] t luids wil l tend to accumulate in t issuesc most carbon dioxide wil l be bound to haernoglobin and ca' iec. l away

from the t issLres

I) plasrna prorcins rvi l l escape th.o*gh the endothel i .m of the capi l lar ies

96-t/ l' i ' l l t is t ; r test iorr paper r ( loNl; l lJ IN1 1, , \ t - urrr i l t l r . : exarnirrat ion is OVtj l t . a,r*O,,r [ r^t ' i l , i I i i

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CONFIDI]NTI^4.I,* (e)

21 r\rrange the following tlve events in an orcler that explains the mass flor,v ofmaterials in the phloem

I Water dif iuses by osmosis into the sieve tttbe

II Mesophyll cells synthesises sugar by photosynthesis

li l Organic solutes are actively transported into sieve elenrerttsIV Dissolved solutes move pass.ively down the stemV I' i igh hyclrostaiic pressure is created in the sieve tube

A I I , I , I t I , V, IVT] I I , I I I , V, I , IVC I I , I , V, I I I , IVD I I , ITI , I , V, IV

22 The diagram below gives information about blood pressures in varior-rs parts

of the circulatory system during the cardiac cycle. At which point does the

semilunar valve of the aorta opens?

16ri

It t l \

t \!

elI

Ir li - l

A

Which region of the marnmalian

syrnpathetic nervous systems?

A AtrioventricularnodeU [ ]Lrndle of l l is

C Purkinje tissue

D Sinoatrial node

96t/ |* ' i l r is qrrest iorr papei ' is CONFiDL.,N' t ' lAI

964i I

ko.

- - - - . v 'cnrr ic lc

heart receives impulses direct ly from theLJ

[Turn overrr rr t i I the e, ' .anr i rrat io;r is OV ER. L- ONF tDINl- l . \ { , - '

Page 10: STPM Trial 2010 Bio 1 & Ans Kelantan

CONI. ' i l )EN1' IAL* ( l0 )

24 Al l of t l ie fbl lorvirrg alc t irnct ions of thc tnantntal i i rn kidney except

A r.vatcr retention

I ] cxcre t i t l r t uf ' r t i l r , lgct t , r t ts wastc

Cl rcgLr lat ion of sal t balance in t l ie blood

I) l l rot l t rct ion t - r l 'urcu

2j Which of the fbl lorving mechanisnrs lvould accor.rnt fbr increased urine

procluct ion ns a resul t ofdr inking alcohol ic beverages?

A Increaserl alclostelone pro(luct ion

l l Increasecl bloocl prcssule

C l)ecreasecl i lnloun[ ot ' trnt idiuret ic hornrone

D ' l he proxinral tLrbule reabsolbing rnore lvtrter

26 Whiuh of r l rc lo l lurv ing are the adaptat ions of xerophytes for

osmoregr,ra lt ion?

I Sunken stonlata

l l l loot cel ls rvi th higl ier lvater potential

I I I lv lay prodircc abscisic acicl to close stontala

lV Sorne plants open their stomatas at niglrt

A I , I I and l l l

B I , I l l ancl IV( l l t , l l l ancl tV

[) l , l l , l t l ancl lV

961/l [- l i rrn over. i r l - ; , ' . , , . . . , . . ; . . . ,

-^- . , - . . : . - r - i \ \ r r l I t f . i \ i l - td l , ,nr i l ) l r ; ,ovr, I inrr inn; . /^) \ . / t j l l / 'nNl i I l ) t i 'N ' l '1, \ t *

961t1

Page 11: STPM Trial 2010 Bio 1 & Ans Kelantan

CONFTDEN'1'rALI (11) e61/ i

27 Which of t[e follolving effects of syrnpathetic and palasyrnpathetic nervotrs

systems are not'tnre?

S),tnputhetic. ner,o,.t.\)'SleJn Purus.v'ntltulltclic nervouS S),:'lenr

A Increases blood presstrle Recluces blood pressure

I) Dilates pupil Constricts pr.rpil

C Constricts bronchi and brortchioles Dilates bronchi and bronchioles

D lrrhibits peristalsis Stimulates peristalsis

28 Which is the correct sequence of events that occr,tr in the transmission of an

inrpulse across a synapse.

I Nett tot tarrsr t t i t te rs bind ro receptor

II Sodiurn channels on the postsynaptic nlembrane opel't

III Action potential depolarizes the presynaptic membrane

IV Synaptic vesicles release nertrotransmitter into the synaptic cleft

A I , I I , I I I , IVB I I , I I I , IV, I

C I I I , IV, I , ] I

D IV,I , I I , I I I

29 Which of the fol lorving asPect is true of steroid-based hormones'?

A Presence of the cascacle eft 'ect

ts ( iene act ivat iot l

C cAivlP production

D Short ter-ru ell'ect

96411 t-I i tr tr orcr' r ' l h ic nrrosr i i rn nen;.r is Ca)NFlDt:N-f l r \ l r r r r t i l l l re evrr l i r t r t i r ' r i : OVFU f ' { )NF I f IFN' l ' l

^ I :

Page 12: STPM Trial 2010 Bio 1 & Ans Kelantan

CON}'IDENTIAL* ( 12) 964/1

30 The table belo"v shorvs four female reproductive honlones and their roles.

I'[ormotte Rol.e o,f hornrones

progesterone

I oestrogenll oxytocinV prolactin

(a) stimulate contraction(b) inhibit uterine contraction during pregnatrcy

(c) stimLrlate milk production(d) trigger the formation of oxytocin receptor

Which of the following is correct for the hormones and their roles?

I i I I i I IVA (a) (b) (") (d)B (b) (d) (a) (c)c (c) (a) (d) (b)D (d) (c) (b) (a)

3l Which of the following statement about phytochromes is not true?

A PR is converted to Prn by absorbing red light

B Ppq is converted to PR slowly at night

C Phytochromes are conjugated proteins

D P3 activates or inhibits the stimulation of f lorigen in plants

32 The function of helper T cell is to

A secrete antibodiesB activate B cells

C ingest bacteriaD suppress the immune response

96411 [Turtt over*J'his rrrrest ion naner is CONFIDgN'f lAt., unti l the exarni irat ion is OVER. CONFIDEN-I ' IAl '-

Page 13: STPM Trial 2010 Bio 1 & Ans Kelantan

C0NFIDI iNI ' IAI-* ( t3) 964t1

i3 ' l 'he fcil lorving.events occur during lhe int-ection of'HIV

I RNA vilus ancl reverse transcriptase are releaseclIl Virus leplication occurs in 1'4 cellIII Virus protein attaches to the protein on ' l 'a cell sLrrlhceIV IINA virus for-ms DNr\V DNA virLrs combines with DNA of 'fr cell

which of the follorving is the correct orcler lbr the above events?

A I , IV, V, I I , IR I I , IV, V, I I I , IC I I I , I , IV, V, I ID IV, V, t I I , I , I I

34 Which of the following is a type of sexual reprocluction?

A ConjugationB RegenerationC Binary t iss ionD Sporulat ion

' 15 Which of the following is the correct sequence during alternation ofgenerations in a flowering i lorvering plant?

A sporophyte -

meiosis + garnetophyte -) gametes - ferti l izarion

- diploidzygote

B Sporophyte *' mitosis -

garnetophyte + msi6ris € sporophyteC haploid garnetophyte + gametes -) nreiosis

- ferti l ization * diploici

sporophyte

l) SPorophytc - , spores - meiosis * ' gal l retol) l ly te _ garnetes

961/lt ' l i r i r r , " -er i , . .

^ . ' . . , . . i . - f ' l - \ \ l l . lnc\r-rr

^ r [1 i r r -n ovcr

Page 14: STPM Trial 2010 Bio 1 & Ans Kelantan

CONFIDENTL\L* (. 14 ) 964/r

36 Which of the following sequences is conect forthe ibrmation of cells duringspeurlatogenesis in Raltrr.r?

I PrirnaryspermatocyteII SpermatidsIII Secondary spermatocytelV Spermatogonium

A I , I I I , I I , IV

. L} I , I I I , IV, UC IV,I , I I I , I tD IV,I I , I , I I I

37 Which of the following statements does not describe the function ofplacenta?

A Transfer oxygen and soluble food fronr the mother to the foetusB Acts as a molecular filter to prevent toxin and microbes from getting into

the foetal bloodC Maintain stable temperature for the embryoD Take over the role of secreting progesterone from corpus lrter:m

38 The foliowing are the events that occur during the germination ofnronoc()tyledonous seed.

I Secretion ofgibberelic acidII Hydration of embryoIII ivlobilization of foodIV llydrolysis ofstored food

T'he corect sequence for the events isA I , I I , I I l , IVB I I , I , IV, I I IC] I I , I , I I I , IVD IV, i I , I , I I I

96411 ITLrrn cver*Tlr is qtrest ion paper is CONFIDENTIAL unt i l the exarninat ion is OVER. CONITIDt iN' l ' l r \1,-

Page 15: STPM Trial 2010 Bio 1 & Ans Kelantan

CONFIDENTIALi

39 Which of rhe graphtropical rainfclrests?

A

IvlotherIAIAIAIBIolo

[8lo

( t5 )

belorv shows the gror'vth of a lvoody plant

961/ I

tbunrl in the

C

/'-

A

B

l)

Father

Itslo

IAIB

IAIB

I^ lo

4l cystic f ibrosis is caLrsed by a homozygous recessive conclit ion. If one oLrt of2000 individ*als in a population suflfers fronr this disease, rvhat is thefrequency ofthe heterozygous genotype in this population?

A 0.001R 0.022

c 0.04iD 0.978

,64/ l [ - I Lrrn over+-[hiS orrcst ion oarrer iS CONFTDI]NTIAI rrrr f i l thc eva,I inet in, , iL n\ / ] : l ) r ' l - rNt i r , \L 'NI ' r '1.{ | i

. t t4t l: l- i /

| : "l /

40 A girl has blood group A and her brother has blood group B. Whichcombination of genotypes crnnot belong to their parents?

Page 16: STPM Trial 2010 Bio 1 & Ans Kelantan

CoNFTDENTIAL* (15) 964t1

42 The tigure below shows ttvo t1'pes of chronrosotnal mutations io the genetic

seqtience belorv.

ABCDEFG-.#

/ \

'/ \'/ \

ABEFG ABCDECDEFG

IA inversionB deletionC delet ion

D translocation

I Isrrbst i tut iondupl icat iontranslocation

dupl.ication

43 Which of the following statement is not true abor-rt the lactose operon in the

presence oflactose?

A The regulator gene produces an active represser molecule

B Lactose binds with the represser tnolecule

C The operator gene activates the strtrctural gene

D Transcription occttrs at the operator gene

44 Which of the follolving statement is trtte abor-rt the cloning process?

A Restriction enzymes are used to produce fragments with blunt ends

B Different types of restriction enzymes are used to cleave DNA rvith target

gene and plasmidC DNA ligase is used to form a phosphodiester bond

D Reverse transcriDtase forms dottble strand DNA lrom nrl(t\r\

964/1 tTttrn over*- l -h is quest ion papar is CjONFIDENTI; \ [ , urr t i l the exani inel ion is OVEf(. ( ]ONFII) I -Nl ' l r " l ' "

Page 17: STPM Trial 2010 Bio 1 & Ans Kelantan

CONI' IDENTIAL* ( t ] ) 961/ l

45 A natural systern of'classification is based on

A phenotypic stnlcturesB analogous structuresC evolLrtionary relationships between organlsulsD single characteristics rather than several sinri lar featLrres

46 All protoctista zrre alike irr that they are

A autotrophic

B hcterotrophicC unicel lu larD eukaryotic

47 Which of the following statements cor.rlcl not be used to describe a species?

A A group oi-organisms sliolving analogoLrs body structuresB A group of olganisms capable of mating to procluce viable offlpringC A groLrp of organisms sharing the same ecological nicheD A group of organisms sharing r-rnique stnrctural and frrnctional

charac teristics

48 Which ecological unit incorporirtes abiotic factors?

A conrmurrityB ecosystenlC popirlationD species

964/l t ' l i rr l r over* lh is oLrest ion oaDer is C'()NFiD[ i \ ' f lAl . r rnr i l r l re eranr i r r r r inrr is ( - )Vfr l i aa)NL' f l rFN't ' t . r t , ,

Page 18: STPM Trial 2010 Bio 1 & Ans Kelantan

coNI ' rDENl ' rAr,* (18) 964tr

49 A species that is relatively r-selected might have all the followingcharacteristics except

n a disturbecl habitatB srnall offspringC parental care ofoffspringD nLrnrerous offspring

' 50 A 50cm x 50cm qr-radrat is used to study the density of a plant X. The resultis as follows:

Quadrat number I z J 4 5 o 7 8 9 10Number of plant X 4 8 t0 0 8 l0 o 0 o 8

What is the density of plant X per meter square in the area being examined?

AO

B8\, z+

D60

r)64/ |' i - [ h is c luest ion paper is CONFtDENl '1. \L t rnt i l the exarrr i r rat iorr is OVEIt . CONFIDI]NT' IAL*

Page 19: STPM Trial 2010 Bio 1 & Ans Kelantan

SULIT910/rBIOLOGYPAPER I2010

PERSIDANGAN KEBANGSAAN PENGETUA-PENGETUA

SEKOLAH MENENGAH MALAYSIA

CAWANGAN KELAI{TAN

PEPERIKSAAI{ KENDALIAN BERASASKAN SEKOLAH ( PKBS 3 )PEPERIKSAAN PERCUBAAI\

SIJIL TINGGI PERSEKOLAIIAN MALAYSI A 2OIO

( MALAYSIA IIIGIMR SCHOOL CERTIFICATE )

BIOLOGY

Paper I

910/L

MARKING SCIIEME

SULIT 9641r

Page 20: STPM Trial 2010 Bio 1 & Ans Kelantan

PEPERIKSAAN KENDALIAN BERASASKAN SEKOLAH

TINGKATAN 6

20r0

MARKING SCHEME

BIOLOGY PAPER 1

1.

2.

^

4.

5.

C

A

A

D

B

6.8

7. D

8.A

9,B

10. D

11. B

T2. D

13. A

14. A

15. c

T6. B

17. B

18. A

19. D

20. B

21. D

22. B

23. D

24. D

2s. c

26. B

27. C

28. C

29. B

30. B

31. D

32. B

33. C

34. A

35. A

36. C

37. C

38. B

39. D

40. A

4t. c

42. B

43. D

44. C

45. C

46. D

47. A

48. B

49. C

50. c