bio spm 2003 p1
DESCRIPTION
For SPM UseTRANSCRIPT
Paper 1 Time: t hour 15 minutes
Instruction: For Question I to Question 5Q each question is followed by four options. A'8, CqndD, Choose o;ne correct answer for each question and blacken the corresponding space in yourobjectiue (rnswer sheet.
Section A
I Figure 1(i) and Figure l(ii) show the structures of an amoeba and a plant cell.
-
wxY
2 Which of the following organelles containschromosomes?A NucleusB RibosomesC MitochondrionD Golgi body
3 Figure 2 shows the structure of a cellorganelle.
P
aR
S
Which cell does noat possess the organelleshown in Figure 2?
A Guard cellB Epidermal cellC Spongy mesophyll cellD Palisade mesophyll cell
Which substance acts as the medium forchemical reactions in the cell?A WaterB GlucoseC Fatty acidD Amino acid
Figure 1(i) Figure l(ii)
Which of the structures on Figure 1(i) and Figure 1(ii) have the same function?A WandPB XandQC Yand RD ZandS
Figure 2
r.iffi ..";3trrerctrL:]ffij' .:T-
5 Figure 3 shows a comparison of ion concentration in pond water and in the cell sap ofNlfellosp.
Concerrfationof ions
f]] Pond water
@ Cett sap of Niterro sp
Figure 3
Which process causes the ion concentration in Nirello sp. to be higher than that in pond water?A OsmosisB Plasmolysis
C Active transportD Passive transport
6 Figure 4 shows a stage during mitosis in a plant cell.
A I and II onlyB III and IV only
Figure 4
Which of the statements about the cell in Figure 4 is not true?A The cell produces diploid daughter cellsB The cell is at anaphaseC The cell is found at the apical meristemD The cell has eight chromosomes at interphase
Which of the following processes in plants need energy?I Mitosis
II Water diffusionIII Growth of pollen tubeIV Mineral salts absorption
C I, III and fV onlyD I, II, III and IV
Mineral
I
Figure 5 shows the molecular structure ofthree food classes.
Figure 5
Which food classes do X, Y and Z belong to?
Hot waterEthanol
What is the aim of the step in Figure 6?A lb dissolve the chloropyllB To soften the leafC To extract the starchD lb break down the cell wall
11 Which of the following organisms is asaprophyte?AB
ABcD
x Y Z
CarbohydrateProteinProteinLipid
ProteinLipidCarbohydrateCarbohydrate
LipidProtein
9 Four different food tests were carried out ona food sample. The results are shown inTable 1.
Testtutre
Test carriedout Observation
1
2:J
Biuret testBenedicts testIodine testDCPIP test
Violet solutionBlue solutionDark blueColourlesssolution
Table I
The food sample containsI proteiniI starchlll litan.rin Ci\' reducing sugar-{ I and IV onlyB II and III onlyC I. II and III onlyD I. II. III and IV
lt-t i:.-:rr 6 shorr',. a step in the procedure to:-.:.::trch in a leaf.
Wrich enzyme needs an acidic medium forits reaction?A ArnylaseB TiypsinC PepsinD Erepsin
C
x
ffi
i$$}Z
fh\zrnz\,tl l^-".^ /t l,.'r.',,^.r-
t2
13
t4
Which ofthe following arteries carries bloodwith the lowest oxygen concentration?A Renal arteryB Hepatic arteryC Mesenteric arteryD Pulmonary artery
Figure 7 shows a three dimensional sectionof a dicotyledon stem.
Figure 7
What are the tissues found along X---------Y?A Pith, xylem, cambium, phloem, cortex,
epidermisB Pith, phloem, cambium, xylem, cortex,
epidermisC Cortex, xylem, cambium, phloem, pith,
epidermisD Cortex, phloern, cambium, xylem, pith,
epidermis
What causes the shoot of a plant to growtowards light?A The shoot needs light for photos)'nthesisB The shoot needs to grow longer to avoid
competition for lightC The cells shaded from light elongate
fasterD The concentration of auxin is higher in
cells exposed to light
:::::::i:i::
16 Figure 8 shows part of human forelimb.
Figure 8
What are P, Q, R and S in Figure 8?
P a R S
UlnaScapulaHumerusScapula
LigamentLigamentTendonTendon
BicepsBicepsTticepsTliceps
HumerusRadiusUlnaRadius
l7 Fizure 9 shows a human lumbar vertebra.
Figure g
What is the function of X and Y in Figure9?A Protection for spinal cordB Surfaces for muscle attachmentC Surfaces for vertebral jointsD Surfaces for rib articulation
ABcD
l5
8.00 a.m. 8.00 p.m.
l8 Figure 10 shows a plant responding to astimulus.
Figure l0
What type of plant response is shownFigure 10?A PhotonastyB ThermonastyC ThigmonastyD Seismonasty
Figure 11 shows the different levelshorrnone X during a menstrual cycle.
Figrue ll
What is hormone X in Figure 11?
A OestrogenB ProgesteroneC Luteinizing hormoneD Follicle stimulating hormone
Figure 12 shows the structure of a s)'napticknob.
, :: i:i:i:ii:i=
What is the structure P and its function?
Structure Function
Mitochondrion Generates energy totransmit irnpulsesacross synapse
Mitochondrion Tlansfers impulsesto cell bodv
Vesicle Secretesneurotransmitter
Vesicle TYansfers impulsesto synaptic knob
2l Which of the following statements are trueabout double fertilisation in a plant?I One rnale gamete nucleus fuses with
the nucleus of an egg cell to form anembryo sac
II TWo haploid nucleii formed in the ovulefuse with two male gamete nucleii
III One male ganeter nucleus fuses withthe female nucleus to form a diploidzygote
IV TWo polar nucleii fuse with one malenucleus to form the endosperm
A I and II onlyB III and IV onlyC I, II and III onlyD II, III and IV only
Figure 13 shows genes in a pair ofhomologous chromosomes.
Figure I
Which ofthe following statements regardingthe homologous chromosomes are true?
A
D
tn
ofl9
28Time /days
14
B
B3
D
E
'.4FcH
Figure 12
l1
I Energy trait is controlled by a pair of allelesiI The chromosone pair controls five traitsILI One is a maternal chromosome while the other is a paternal chromosomeI\- D. e, f, g and H are possible which may be found in the chromosomes of a daughter cell
after a mitotic division-{ I and IV only C I, II and IV onlyB II and III only D I, II, III and IV
!3 \\-hich of the following defects is not caused by gene mutation?A Albinism C Downs syndromeB Haemophilia D Sickle cell anaemia
!{ Figure 14 shows a pyramid of numbers.
Figure 14
\\:hich of the foilowing is not true about the organisms in the pyrarnid in Figure 14?
w X Y
HolophyticAutotrophicFirst trophic levelProducer
HolozoicAutotrophicSecond trophic levelPrimary consumer
HolozoicHeterotrophicThird trophic levelSecondary consumer
HolozoicHeterotrophicFourth trophic levelTertiarv consumer
5 \\that is the correct sequence of ecological change that occurs to a barren land over a long periodof time?A Colonization, climax community, successionB Succession, colonization, climax communityC Colonization, succession, climax communityD Succession, climax community, colonization
Section B
26 A student soaked a duck egg in a saturated salt solution. After a few days, he found that theegg tasted salty.\lrhich of the following statements explain this phenomenon?I The egg shell and nembrane are permeable to saltII Salt particles diffuse into the eggIII Salt particles enter the egg by active transportIV Saturated salt solution is hypertonic to the eggA I and IV only C I, II and IV onlyB II and III only D I, II, III and IV
ABCD
Y
X
pancreas?
2927 Which of the following graphs bestrepresents the effect of pH on the rate ofreaction of enzymes secreted by the
14 pH
Which cell is a product of a meiotic celldivision?
o4>^'(D
30 Figure 16 shows an experiment on anaerobicrespiration in yeast.
R
U
O 7 14 pH 0 7 14 pH paralayer
28 Figure l5 shows how an enzyme works.
C
o9
frz
ffiF @ffi8Figure l5
Which property of an enzyme is shown inFigure 15?A Enzyme reaction is specifrcB Enzyme reaction is affected by pHC Enzyme reactiion is affected by
temperatureD Enzyme structure changes at the end of
reaction
Thermometer
Boiledglucosesolutionwith yeastculture
Thermos-flask
Lime-water
Figure 16
Which ofthe following are observed after 30minutes?
A X and Y only CXandZonlyB Y and Z only DX,YandZ
3l Figure 17 shows gaseous exchange at an alveolus.
\ \\-R\\\.i,.
Figure 17
Which of the following is true about blood vessels R, S and T?
15
2
x Temperature in thernos-flask increases
Y Lime-water turns cloudy
7, Gas bubbles are released
A
B
C
D
.!c
"otr
32 Figure 18 shows the concentration ofantibody in the blood after two injections ofantiserum.
Which of the following does not have thetissue in Figure 19?
c //,86l\,4"
6A_NFigure 20 shows an experiment of barkringing on a branch.
trIFirst Second
injection injectionFigure 18
Time AVeek
What type of immunity is shown in Figure18?A Acquired active immunityB Acquired passive immunityC Natural active immunityD Natural passive immunity
33 Figure 19 shows some cells from a tissue.
sto'€
R S T
Contains blood withhigh concentration ofoxygen
Allows oxygen todiffuse intr thealveolus
Contains blood withhigh concentration ofcarbon dioxide
Contains blood withhigh concentration ofoxygen
Allows carbon dioxideto diffuse into thealveolus
Contains blood withhigh concentration ofcarbon dioxide
Contains blood withhigh concentration ofcarbon dioxide
Allows carbon dioxideto diffuse into thecapillary
Contains blood withhigh concentration ofoxygen
Contains blood withhigh concentration ofcarbon dioxide
Allows oxygen todiffuse into thecapillary
Contains blood withhigh concentration ofoxygen
Figure
77
Figure 20
Which of the following is the condition ofthe branch after six weeks?
c
"l w*"WK
Ye],{<35 Figure 21 shows the pathway of an impulse
in a reflex are.
Figure 21
Which statement is true in Figure 21?
A J receive an impulse direct from L andcarries it to N
B L transmits the impulse to M from thecentral nervous system
C The rate of impulse transmissionthrough K increases
D N causes the frnger to react
i6 ldentical twins are produced frorn thefertilisation of one sperm and one ovum.\l-hich ofthe following twins is not the resultof such fertilisation?
37 Figure 22 shows two types of variation in
Figure 22
Which of the following are examples ofvariation for type P and type Q?
TVpe P Tlpe Q
Tlpe of earlobe
Body weight
Height Blood tlpe
Eye colour Ability to roll thetongue
Tlpe of hair Skin colour
Figure 23 shows a mangrove swamp at themonth of a river in the year 1970.
Muddy beach
Avicennia
Rhizophora
Brugueira
Sonneratia
Tfopical rainforest
€
.oc
z
d
E
z
A
B
C
D
KeyIll.tl,rlt;;;lt"""1
[rir;t;tE:47,4/).)7'a2az
2A
g=jzlt-+-'-rr.rlr:-+-+ -+- r -i--r-:Z!bj\ '
I '
I
,s. A
WH19
Figure
the year 2010?
x
Which of the following would represent thepossible zonal shift at the river mouth in C
40 Figure 24 shows an area of human activity?
\Vhat is the effect on the river ecosystembased on the main activity shown in Figure24?A Number of trophic levels in a food chain
increaseB AJgaJ growth in the river incrt.ase'sC BOD of the water decreasesD Temperature of the water increase
B
D
39 Which organism is classified in theProkaryote kingdom? yn //.- ri, s )p<q---J 6ed)\-__i,_-/ Kry
4l Figure 25 shows a cell.
Figure 25
Which organelle is foundthe cell shown in Figure
Section C
in abundance in25?
42 Figure 26 shows an experiment on themovement of molecules across a semi-permeable membrane.
Beginning of the experiment
Mskingtubing
Solution
the experiment
Viskingtubing
a 7.-q9 B vW
Tlbe M
End of
mt-l€1F-tr:]t&-lr#1w
T[be M
Electricity generating station
Trrbe N
D
21
Figure 26
P a R
1 mol dm-3sucrosesolution
Distilledwater
0.5 mol dm3sucrosesolution
1 rnol dm 3
sucrosesolution
0.5 mol dmasucrosesolution
Distilledwater
Distilledwater
1 mol dm'3sucrosesolution
0.5 mol dnssucrosesolution
Distilledwater
0.5 mol dmrsucrosesolution
l mol dm3sucrosesolution
A
B
What are solutions R Q and R? Which of the characteristics is true aboutthe blood circulatory system both in manand the animal in Figure 28?A Heart pumps out a rnixture of
oxygenated and deoxygenated bloodB Blood enters the gaseous exhange organ
at low pressureC It is a double blood circulatory systemD It is a closed blood circulatory system
45 Figure 29 shows the structure ofa nephron.
Figure 29
Which of the following activities cause X tobe more permeable to water?
P - Drinking a lot of waterQ - Eating salty foodsR - Not exercisingS - Playing sports
PandRPandSQandRQandS
In pea plants, the allele for smooth-skinnedseeds is dominant over the allele forwrinkled-skinned seeds. TWo heterozygousplants are cross-bred.
What is the chance ofan offspring producingsmooth-skinned seeds?
C 75V"D 1007a
c
,
s-1-r
I
D
Figure 27
\\hich of the following will result if X isremoved?A Lipase is not producedB Fats will not be digestedC Proteins will not be digestedD Pancreatic juice does not reach the
duodenum
Figure 28 shows a blood circulatory systemof an animal.
ABCD
I...\i:3\---)0)
=t,/
Heart
Blood capillariesin gaseousexchange organs
Bloodcapillariesin bodytissue
A 257o
B 50%
Figure 27 shows part ofthe human digestive
23
47 Figure 30 shows albinism in the pedigree of 49 Table 2 shows the results of an experimentto study the population of garden snails ina vegetable farm.
Table 2
What is the approximate population of thesnails in the farm?A 125B 320c 330D 520
Figure 32 shows a dichotorrous key foranimals.
Organism
Segmentedbody
/\/\
Wiih Withoutappendages appendages
R S
Figure 32
Which of the follorving is most probably P,
Q, R and S?
Kev:
EI o
o
lndividual Q
Normal female
Albino female
Figure 30
Albinism is controlled by a recessive allele, a.What are the genotypes of individual P andindividual Q?
Individual P Individual QAa Aa
.{4. Aa
Aa aa
aa
48 Figure 31 shows the results of blood grouptests from donors P, Q, R and S.
Key: @ Agglutination Q No agglutination
Figure 3l
Which of the following recipient's bloodgroups are compatible with their donors?
Donor Recipient's blood groupP A, B, O and AB
a Q and AB
R AandBS AandO
With Withoutshell shell
IIJPQ
B
C
A
AB
C
D
Capture Number of gardensnails captured
First 200 were marked
Second 50 marked 80 unmarked
Normal male
Albino male
/Non-segmented
body
/t\
AB
C
D
Donor Anti-A Anti-B
P o oa 4.-'l\
R o @S o
P a R S
Gardensnail
Squid Cockmach Earthworm
Squid Snake Ant Prawn
Gardensnail
Earthworm Prawn Snake
Snake Squid Cockroach Earthworn
25
D
r'
5u estSPM EXAMINATION PAPER 2OO3
Paper I1D 27C 8r3 Il t419B2025C263r D A237838438 44.r9 D 50
Paper 2Section AI (Ar (ir
(ii)
(b) (i)rii )
(c ) (i)(ii)
(d) -
C
CBDD
Epithelialcells
3B9Cr5c,IB27833B39A45D
4Ar0A16D22D28434ts40D46C
lt At7B23C29C35D4tD474
6l)12C18A24830D36A42D48A
(ii)
Digestion of starch, peptone, peptides.process of hydro)ysis of fat to fhtty acidsand glycerol is inhitrited.Glucose lcvcl in blood carrnot be rontrolledat normal rangc bccausc cxcess glucostcanrot be convrlrted to glycogcn.The patient has to reduce intake of frxxlthat rich in starch because o{ the absen(eof pancreatic amylase and starch cannotbe digesttri in the small intestine.The patient need to reduee intake ofsugarborause when the pancreas is removed.thc hormonc insulin cannot be produced
(a) (i) Rrbl
(ii ) P
(bl
(iiil
(b) (il
1. Process that plays a lrle in plant andorganisms growth
2. Process thal plays a role in cellrcplaccment in an organism
II,III. I
Telophase
Interph:i$eChmm'rtin will
(il Whorl : Composite(iil Ccnctic factor(iii) Arrang(inrent nnd recombination of gene.
during crossover will produce gametes thatare dillerent geneticallv.
(i) Discontinuousvariati(nr(i i) Ability to rollthe tonguc
Blood groupThumbprint is discontinuous variation and thephotograph is continuous variation for indivntualthat h:r..:,rr" fa,r. r, f,'r Ihe rlenr r.:'l I$ rn
MetaphaseProphase
undergo replication
Enzyrne and protein which needed in celldivision is synthesised
- Cytoplasnr and the nunrber of organt'lksuch as mitochondria will increase
Cell from cow which is required is chosenThen. the nucleus is removed from the cellThe rrvum liom another cow is taken and alsoits nucleus is rem0vedThe nucleus Iiom the cow is then inject€d to t.hedenucleated ovum and ovum is left to undergomitosisThe cells that arc producc are transferrcd tothe surrogate mother to develop normally untilbirth
tdr The bodt mass is continu.rus variation whercasthumbp nt is discontinul)us variation
- Ilodv nrass is inJlurinct{l by senetic fact{nand envir'r)nment whereas thunlbpriut is onll'inlluenced by genetic lirctor.
(al (ir I)hotosynthesis(ii ) Light eneryy r(rccived l|00 (XX) (X)0 - 100?
60 000 lo0 60 000';ll nrrg] rctsLnrf,
= 00037Because sonre ol the light enorgy is rcflectedby thc out{! su ace ofthe source.Total cnergv l'rom the tissues of herbivorethatcannot be used i-q
= r50O0 lJ0)kJ
= 4 970 k.I(ii) Some of the energy is lost durirg the
processes ol respiration, melabolic andgrorvth ol the herbivore.
The organisfi Pran oxidise ammonia to nitrate, byusing the plant nitrate to nrake p.otein- Because ol'that. il organism P is dcstroyed by the use ol'pesticide, the nitrogenlixation proccss ol plantsuill be unhindered antl producers (plant) cannotmake its own protein-(ii Nenlatodes(ii) l'arasites obtain its nutrient lion1 its host.
Ilencc. when the pamsite in destroyed:produccr, hcrbivorc and carnivore that arehosts can eet sufficieDt nut ent for srowth.d
llloodcapillaries
,i r ,{bsorption ofdigested food,iit Surface area of T has structure that are
folded. increase surface area for al)sorption ofdigested food.
i S is pancreas, removal causes enzymeliplr.s€. amylase, trypsin, hormone glucat'onand in.ulrn cannot bn produ''cd.
242
(d)