M08/4/BIOLO/HPM/ENG/TZ1/XX - WikispacesHL+paper+1+TZ1... · 2208-6007 20 pages...
Transcript of M08/4/BIOLO/HPM/ENG/TZ1/XX - WikispacesHL+paper+1+TZ1... · 2208-6007 20 pages...
2208-6007 20 pages
M08/4/BIOLO/HPM/ENG/TZ1/XX+
Wednesday 14 May 2008 (afternoon)
biologyHigHer levelPaPer 1
INSTRUCTIONS TO CANDIDATES
• Do not open this examination paper until instructed to do so.• Answer all the questions.• For each question, choose the answer you consider to be the best and indicate your choice on
the answer sheet provided.
1 hour
© International Baccalaureate Organization 2008
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1. Whatdescribestissues?
A. Groupsofcellsthatdevelopthesamewaywiththesamefunction
B. Groupsofcellsthatdevelopthesamewaywithdifferentfunctions
C. Groupsofcellsthathavecombinedtoformastructure
D. Groupsofcellsthathavecombinedtoformoneorgan
2. Whichpairoffeaturesiscorrectforbothplantandprokaryoticcells?
Plant cell Prokaryotic cell
A. Abletochangeshape Fixedshape
B. ContainsDNAassociatedwithprotein ContainsnakedDNA
C. DNAenclosedbymembrane DNAassociatedwithprotein
D. Chloroplastsmaybepresent Chloroplastsmaybepresent
3. Whichofthefollowingareassociatedwithmitosis?
I. Tissuerepair II. Chiasmata III. Asexualreproduction
A. IandIIonly
B. IandIIIonly
C. IIandIIIonly
D. I,II,andIII
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4. Whatroledoesironplayinlivingorganisms?
A. Asacomponentinnucleicacids
B. Asacomponentoflipids
C. Asacomponentofcarbohydrates
D. Asacomponentofproteins
5. Whichdiagramcorrectlyillustratesadipeptide?
A.
N
H
H
C
H
H
C
O
N
H
C
H
H
C
O
OH
B.
N
H
H
C
H
H
C
O
N
H
C
H
H
C
O
OH
C.
N
H
H
C
H
H
C
H
N
H
C
H
H
C
O
OH
D.
N
H
H
C
H
H
C
O
N
H
C
H
H
C
O
OH
6. WhicheventstakeplaceinDNAreplication?
I. FormationofmessengerRNA II. UnwindingofDNAdoublehelix III. FormationofcomplementarystrandsbyDNApolymerase
A. IandIIonly
B. IandIIIonly
C. IIandIIIonly
D. I,IIandIII
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7. Whatisthecorrectsequenceofchemicalsproducedintheanaerobicrespirationpathway?
A. lactate→pyruvate→ethanol
B. ethanol→pyruvate→glucose
C. glucose→lactate→pyruvate
D. glucose→pyruvate→lactate
8. Whichcombinationmeasurestherateofphotosynthesis?
Direct measurement Indirect measurement
A. Oxygenproduction Biomassincrease
B. Carbondioxideuptake Biomassdecrease
C. Oxygenuptake Biomassincrease
D. Carbondioxideproduction Biomassdecrease
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9. Whatcanbeconcludedonthebasisofthefollowingkaryotype?
A. Femalewithanormalsetofchromosomes
B. MalewithDownsyndrome
C. FemalewithDownsyndrome
D. Malewithanormalsetofchromosomes
10. Whatarehomologouschromosomes?
A. Twochromosomeswithdifferingsetsofgenes,inthesamesequence,withthesamealleles
B. Twochromosomeswiththesamesetofgenes,inadifferentsequence,withthesamealleles
C. Twochromosomeswithadifferentsetofgenes,inthesamesequence,withdifferentalleles
D. Twochromosomeswiththesamesetofgenes,inthesamesequence,sometimeswithdifferentalleles
1 2 � 4 �
6 87 9 10 11 12
1� 1�14 16 17 18
19 20 21 22
xx
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11. WhichfeaturesofDNAfragmentsareusedtoseparatethemintheprocessofgelelectrophoresis?
A. Theirchargeandtheirsize
B. Theirchargeandbasecomposition
C. Thesequenceoftheirbasesandtheircharge
D. Theirbasecompositionandtheirsize
12. Whichfeatureofageneticpedigreechartdemonstratesthatacharacteristicissexlinked?
A. Numbersofoffspringcarryingthecharacteristicdecreasedoverseveralgenerations.
B. Onegenderismorecommonlyaffectedthantheother.
C. Equalnumbersofmalesandfemalesinheritthecharacteristic.
D. Boysandgirlsonlyinheritthecharacteristicfromtheirmothers.
13. Whatisacommunity?
A. Agroupofproducersandconsumerslivingandinteractinginanarea.
B. Agroupofspecieslivingandinteractinginanarea.
C. Agroupoforganismslivingandinteractinginanarea.
D. Agroupofpopulationslivingandinteractinginanarea.
14. Whatarethemainsourcesofcarbondioxideonearth?
A. cellularrespirationofconsumers,producersandcombustionoffossilfuels
B. photosynthesisandcellularrespirationofconsumers
C. cellularrespirationofproducersandcombustionoffossilfuels
D. photosynthesisandcombustionoffossilfuels
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15. Whichfactorscanlimitpopulationgrowth?
I. Shortageoffood II. Increasedgeneticvariationinthepopulation III. Increaseinpredators IV. Increaseindiseasesandparasites
A IandIIonly
B IandIIIonly
C I,IIIandIVonly
D I,II,IIIandIV
16. WhatareAllium sativaandAllium cepa?
A. Twodifferentspeciesofthesamegenus
B. Thesamespeciesofthesamegenus
C. Thesamespeciesbutofadifferentgenus
D. Twodifferentspeciesofadifferentgenus
17. Inthedigestivesystem,enzymeAhasanoptimumpHof1.�andenzymeBanoptimumpHof7.Whatarethepossiblesubstratesoftheseenzymes?
Enzyme A Enzyme B
A. proteins aminoacids
B. lipids proteins
C. carbohydrates lipids
D. proteins lipids
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18. WhichvesselscorrespondwiththedescriptionsofI,IIandIIIbelow?
I. Thickouterlayeroflongitudinalcollagen.Thicklayersofcircularelasticandmusclefibres.Narrowlumen.
II. Thinouterlayeroflongitudinalcollagen.Thinlayerswithafewcircularelasticandmusclefibres.Widelumen.
III. Wallconsistsofsingle layerofcells. Poresbetweencells that formthewall. Verynarrowlumen.
I II III
A. artery vein capillary
B. vein artery capillary
C. artery capillary vein
D. vein capillary artery
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19. Whichprocessesarerepresentedbythelabelsinthediagrambelow?
I
II
I II
A. A phagocyte ingesting a microbe byexocytosis.
DigestionofthemicrobewiththehelpoftheGolgiapparatus.
B. A phagocyte ingesting a microbe byendocytosis.
Digestionofthemicrobewiththehelpofalysosome.
C. A phagocyte ingesting a microbe byexocytosis.
Digestionofthemicrobewiththehelpofalysosome.
D. A phagocyte ingesting a microbe byendocytosis.
DigestionofthemicrobewiththehelpoftheGolgiapparatus.
20. Which typeofurinewouldbeproduced inahumanwhosedietcontainsverysmallquantitiesofproteinorfluid?
Urea Concentration Salt Concentration
A. High Low
B. Low High
C. High High
D. Low Low
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21. Thediagrambelowshowsthehumanmalereproductivesystemandassociatedorgans.
X
Y
Z
Whichofthelabelledstructuresindicatethebladder,prostateandurethra?
Bladder Prostate Urethra
A. Y X Z
B. X Y Z
C. Z X Y
D. X Z Y
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22. Whataretheeffect(s)ofchanginglevelsofFSHinthehumanmenstrualcycle?
A. Peaklevelscauseovulation.
B. Peaklevelsstimulatefollicledevelopmentandestrogensecretionofthefollicle.
C. Peaklevelsstimulatefollicledevelopmentandprogesteronesecretionofthefollicle.
D. Peaklevelscauserepairoftheliningoftheuterus.
23. Whicharethecorrectdirectionsofthefollowingprocesses?
Replication Transcription Translation
A. �’to�’ �’to�’ �’to�’
B. �’to�’ �’to�’ �’to�’
C. �’to�’ �’to�’ �’to�’
D. �’to�’ �’to�’ �’to�’
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24. Whichstageoftranslationisillustratedbythediagrambelow?
A. Termination
B. Initiation
C. Translocation
D. Elongation
Aminoendofpolypeptide
mRNA
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25. Thediagrambelowshowstheenergylevelsofareactioninthepresenceorabsenceofanenzyme.WhatisthebestexplanationofthedifferentenergylevelslabelledI,IIandIII?
I
II
III
Energyofreactants
Energyofproducts
Progressofreaction
Ener
gyle
vel
I II III
A. Absenceofanenzyme Presenceofanenzyme Endergonicreaction
B. Presenceofanenzyme Absenceofanenzyme Exergonicreaction
C. Absenceofanenzyme Presenceofanenzyme Exergonicreaction
D. Presenceofanenzyme Absenceofanenzyme Endergonicreaction
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26. InthediagramofachloroplastbelowwherewilltheCalvincycletakeplace?
I
II
III
IV
A. I
B. II
C. III
D. IV
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27. The diagram below shows the three stages of glycolysis. Which processes are indicated by I, IIandIII?
6-carbonglucose
6-carbonglucosephosphate
�-carbonsugarphosphate
�-carbonsugarphosphate
�-carbonpyruvate
�-carbonpyruvate
I
II
III
I II III
A. Lysis Phosphorylation OxidationandATPformation
B. OxidationandATPformation
Phosphorylation Lysis
C. Phosphorylation Lysis OxidationandATPformation
D. Phosphorylation OxidationandATPformation
Lysis
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28. Whichlimitingfactorofphotosynthesisisshownbelow?
Rat
eof
pho
tosy
nthe
sis
A. Increasingcarbondioxideconcentration
B. Increasingtemperature
C. Increasinglightintensity
D. Increasinghumidity
29. InDrosophilatheallelefornormalwings(W)isdominantoverthealleleforvestigalwings(w)andtheallelefornormalbody(G)isdominantoverthealleleforebonybody(g).IftwoDrosophilawiththegenotypesWwggandwwGgarecrossedtogether,whatratioofphenotypesisexpectedintheoffspring?
A. 9× normalwings,normalbody:�× normalwings,ebonybody:�× vestigalwings,normalbody:1× vestigalwings,ebonybody
B. �× normalwings,normalbody:�× normalwings,ebonybody:�× vestigalwings,normalbody:1× vestigalwings,ebonybody
C. �× normalwings,normalbody:1× normalwings,ebonybody:�× vestigalwings,normalbody:1× vestigalwings,ebonybody
D. 1× normalwings,normalbody:1× normalwings,ebonybody:1× vestigalwings,normalbody:1× vestigalwings,ebonybody
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30. Whatconstitutesalinkagegroup?
A. Geneswhoselociareondifferentchromosomes
B. Genescarriedonthesamechromosome
C. Genescontrollingapolygeniccharacteristic
D. GenesfortheinheritanceofABObloodgroups
31. Whatarethepossibleoutcomesofrecombination?
I. Adifferentcombinationofunlinkedgenesnotseenintheparents II. Adifferentcombinationoflinkedgenesnotseenintheparents III. Thesamecombinationofgenesseenintheparents
A. IandIIonly
B. IandIIIonly
C. IIandIIIonly
D. I,IIandIII
32. Whichcorrectlydescribestheroleoftheepididymisinsemenproduction?
A. Producesfluidcontainingfructosetonurturesperm.
B. Finishesmaturationofspermsothattheyarecapableofswimming.
C. Producesalkalinefluidwithmineralstoprotectsperm.
D. Producesfluidcontainingfructoseandstorematuresperm.
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33. Afterfertilization whatisthecorrectorderofevents?
A. EmbryosecretesHCG→implantationofembryoinuterinewall→stimulatescorpusluteumtogrow
B. Implantationofembryoinuterinewall→stimulatescorpusluteumtogrow→embryosecretesHCG
C. Implantationofembryoinuterinewall→embryosecretesHCG→stimulatescorpusluteumtogrow
D. Continuedsecretionofprogesteroneandestrogen→embryosecretesHCG→stimulatescorpusluteumtogrow→implantationofembryoinuterinewall
34. Colostrum,thefirstmilkproducedbythemotheraftergivingbirth,alsocontainsantibodiesthatcanbeabsorbedintothebaby’sblood.Whattypeofimmunityisthebabyacquiringfromitsmother?
A. Passive
B. Antigen
C. Active
D. Artificial
35. Whatisthecorrectorderintheproductionofmonoclonalantibodies?
A. IsolateB-cellsproducingspecificantibody→injectantigensintoanimal→fuseB-cellswithtumourcells→harvestmonoclonalantibodies.
B. Injectantigensintoanimal→isolateB-cellsproducingspecificantibody→fuseB-cellswithtumourcells→harvestmonoclonalantibodies.
C. IsolateB-cellsproducingspecificantibody→fuseB-cellswithtumourcells→injectantigensintoanimal→harvestmonoclonalantibodies.
D. Injectantigensintoanimal→fuseculturedB-cellswithtumourcells→isolateB-cellsproducingspecificantibody→harvestmonoclonalantibodies.
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36. Afterdepolorizationwhathappenstorestoretherestingpotential?
A. Sodiumchannelsopenandsodiumionsdiffuseoutoftheneuron
B. Potassiumchannelsopenandpotassiumionsdiffuseintotheneuron
C. Potassiumchannelsopenandpotassiumionsdiffuseoutoftheneuron
D. Sodiumchannelsopenandsodiumionsdiffuseintotheneuron
37. Thediagrambelowshowspartofamusclefibre.WhatpartsarelabelledIandII?
I II
I II
A. Myosinfilaments Actinfilaments
B. Troponinfilaments Tropomyosinfilaments
C. Tropomyosinfilaments Troponinfilaments
D. Actinfilaments Myosinfilaments
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38. Whichexcretoryproductisassociatedwithwhichgroupoforganisms?
Urea Ammonia
A. Freshwaterfish Birds
B. Mammals Freshwaterfish
C. Birds Mammals
D. Mammals Plants
39. Whichprocessstartsthegerminationofastarchyseed.
A. Productionofgibberellin
B. Absorptionofwater
C. Maltoseisconvertedtoglucosewater
D. Productionofamylase
40. A plant has a waxy cuticle, reduced leaves, reduced number of stomata, and CAM physiology.Whattypeofplantcouldthisbe?
A. Ahydrophyte
B. Afilicinophyte
C. Abryophyte
D. Axerophyte