m144biolohpmengtz1xx+ - IB Documents PAST PAPERS - SUBJECT... · 2014. 5. 9. · D. Ribose. 224 –...
Transcript of m144biolohpmengtz1xx+ - IB Documents PAST PAPERS - SUBJECT... · 2014. 5. 9. · D. Ribose. 224 –...
2214-6007 15 pages
M14/4/BIOLO/HPM/ENG/TZ1/XX
Friday 9 May 2014 (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.• The maximum mark for this examination paper is [40 marks].
1 hour
© International Baccalaureate Organization 2014
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1. Resultsfromascientificstudyproducedagraphwiththisappearance.
X
Y
Whatcanbeconcludedaboutthestudy?
A. ThestandarddeviationofXishigh
B. 68%ofthepopulationhasthemeanvalueforX
C. ThegraphsuggeststhatYcausesX
D. ThereislittlevariationinX
2. Thoughasinglenervecelldoesnotthink,millionsofthemorganizedasabrainresultinthinking.Whatkindofpropertydoesthinkingrepresent?
A. Anatomical
B. Adaptive
C. Extracellular
D. Emergent
3. Whyarestemcellsusefulinrepairingdiseasedordamagedorgans?
A. Theyarespecialized
B. Theyreproduce
C. Unlimitedquantitiesareavailablefromadulttissue
D. Theycanbetransferredbetweenspecies
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4. Whichstructureshaveaphospholipidbilayer?
I. vesicle
II. nucleus
III. nucleoid
A. IandIIonly
B. IandIIIonly
C. IIandIIIonly
D. I,II,andIII
5. Whichusuallytakesthemosttimeinthecellcycle?
A. Cytokinesis
B. Interphase
C. Telophase
D. Anaphase
6. Whichisadisaccharide?
A. Fructose
B. Galactose
C. Lactose
D. Ribose
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7. Howmuchenergyisstoredin1kgofbodyfatcomparedto1kgofglycogen?
A. Halfasmuch
B. Sameamount
C. Twiceasmuch
D. Onetenthasmuch
8. Whichelementismostcommoninproteins?
A. Sodium
B. Nitrogen
C. Phosphorus
D. Iron
9. Whichnucleicacidsaredirectlyinvolvedintranscription?
A. mRNAandoneDNAstrand
B. mRNAandbothDNAstrands
C. tRNAandbothDNAstrands
D. tRNAandoneDNAstrand
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10. What is the result after the first meiotic division of one diploid animal cell containing 2nchromosomes?
Number of cells Chromosomes per cell
A. 2 n
B. 2 2n
C. 4 n
D. 4 2n
11. Whichbloodgroupgenotypeshowscodominance?
A. IAIA
B. IBi
C. IAIB
D. ii
12. Whattermdescribesgeneticallyidenticalorganismsderivedfromasingleparent?
A. Species
B. Clone
C. Family
D. Twins
13. Whatprovidesevidencefortheuniversalnatureofthegeneticcode?
A. UracilreplacesthymineinRNA
B. TheamountofAisequaltotheamountofTandtheamountofGisequaltotheamountofC
C. Nucleicacidscontainthesamebasesinallspecies
D. mRNAcodonsareassignedtothesameaminoacidsindifferentspecies
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14. ThediagramshowsasimplifiedLakeMichiganfoodweb.Whichpairoftermsdescribesthetrophicleveloflaketrout?
LakeTrout
BloaterChub
Sculpins Alewife RainbowSmelt
Diporeia Zooplankton
Phytoplankton
A. secondaryconsumer herbivore
B. tertiaryconsumer detritivore
C. secondaryconsumer tertiaryconsumer
D. secondaryconsumer primaryconsumer
15. Howdoestheprecautionaryprincipleaffecttheplanningofpublicprojects?
A. Supportersofanyprojectmustprovethatitwillnotcauseharm.
B. Opponentsofanyprojectmustprovethatitwillcauseharm.
C. Precautionsmustbetakentopreventharmtobiodiversityduringconstructionoftheproject.
D. Precautionsmustbetakentopreventharmtobiodiversityafterconstructionoftheproject.
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16. Whichimagesshowcnidaria?
I. II.
III. IV.
[Source:ImageI:http://en.wikipedia.org/wiki/File:Striped_colonial_anemone.jpgImageII:http://en.wikipedia.org/wiki/Chrysaora#mediaviewer/File:Six-Sea-Nettles.jpg
ImageIII:http://en.wikipedia.org/wiki/Sponge_reef#mediaviewer/File:Aphrocallistes_vastus.jpgImageIV:https://www.flickr.com/photos/rling/4117004436/in/photolist-9RkRe2-7gNHZ7-fXy94L-9RoLGE-4BpZst-7vEWYh-fYoqEy-HBTmE-7ycJTZ-4xPQCf-4BugJu-6WZ43r-cGCT4f-4sRQ6n-jQZqui-x2jYA-65FSvo-axV1Bn-3zZxbQ-bhFtxe-7ygwGu-oq99W-6LvtZu-2jxeXE-6X455o-6e6Jed-b7Kgq-616qYF-5jRYsg-a3fGe7-4txFok-9Jvwq3-6WZ3zB-2kcrN3-8qgaUZ-aHoJre-
4tBJtb-7jbocF-8RX3cj-6X4539-vdArk-6oiVcA-4eD5Q2-cwcT6y-nQfGHe-4fHLVJ-moGP8-AiZHq-7uMTD9-5R2uQ7/lightbox/byRichardLing]
A. IandIIonly
B. IandIIIonly
C. IIandIVonly
D. IIIandIVonly
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17. Whichsequenceoftaxonomicgroupsgoesfromlargesttosmallest?
A. phylum order class species genus
B. kingdom family class genus species
C. phylum class order family species
D. kingdom phylum family order genus
18. Thelongestregionofthelargeintestineisthecolon.Whatisthefunctionofthecolon?
A. Producesenzymes
B. Absorbsfats
C. DestroysE. coli
D. Solidifieswastes
19. Whatdescribesantigens?
A. Theycatalyzeimmunereactions.
B. Theyactivatespecificwhitebloodcells.
C. Theydestroybacteriabutnotviruses.
D. Theyareonlyproducedbywhitebloodcells.
20. Wheredoesgasexchangeoccurinhumans?
A. Mouthandnostrils
B. Alveoliwalls
C. Bronchiolewalls
D. Tracheaandbronchi
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21. Wherecouldanactionpotentialoccurinamotorneuron?
A. Anywhereonthecellmembrane
B. Dendritesonly
C. Cellbodyonly
D. Axononly
22. Whichhormoneconcentrationrisestotriggerovulationduringthemenstrualcycle?
A. Estrogen
B. FSH
C. Progesterone
D. LH
23. Whatmustbepresentforahumanfetustodevelopintoanormalmale?
X chromosome Y chromosome testosterone
A.
B.
C.
D.
24. Whathelpstoregulatetranscription?
A. Nucleosomes
B. DNApolymerase
C. tRNA
D. Ribosomes
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25. In this electronmicrograph of a eukaryotic nucleus, what could be happening toDNA at any of thearrows?
[Source:©PhototakeImage119621.Usedwithpermission.]
I. Replication
II. Transcription
III. Translation
A. I
B. II
C. IorII
D. I,IIorIII
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26. ImmunoglobulinG(IgG)isatypeofantibodyconsistingoffoldedpolypeptidechainsandaboundcarbohydrategroup.Whichlevelofstructurewoulddescribethe3D(threedimensional)shapeof anyoneofthechains?
A. Primary
B. Secondary
C. Tertiary
D. Quaternary
27. Whatisfoundinmitochondriabutnotinchloroplasts?
A. Stroma
B. DNA
C. Enzymes
D. Matrix
28. Whatchangescouldoccurduringoxidation?
hydrogen electrons
A. loss loss
B. loss gain
C. gain gain
D. gain loss
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29. Whatisproducedoverallperglucosemolecule,duringglycolysis?
A. 1pyruvate 2ATP 1NADH
B. 1pyruvate 4ATP 2NADH
C. 2pyruvate 4ATP 1NADH
D. 2pyruvate 2ATP 2NADH
30. Wheredoesthetranslocationofsugarsoccurinaplantstem?
A.
B.C.
D.
31. Towherearepollengrainsdeliveredduringsuccessfulpollination?
A. Style
B. Stigma
C. Ovary
D. Anther
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32. Duringseedgermination,whatcarbohydratemovesfromcotyledonstotheembryo?
A. Fructose
B. Starch
C. Maltose
D. Sucrose
33. Whendohomologouschromosomepairsseparateduringmeiosis?
A. ProphaseI
B. AnaphaseI
C. MetaphaseII
D. AnaphaseII
34. One model for skin colour proposes three separately inherited codominant genes that can affectdarkness.Eachdark-skinallele(P,QorR)contributesoneequalunitofdarkness.Therecessiveallelesdonotcontributetodarkness.WhichgenotypewouldlikelyproducethesameskindarknessasPpQqRr?
A. PpQQRr
B. ppQqRR
C. PpqqRr
D. PPqqRR
35. Duringanimmuneresponse,whatistheclonalselectionphase?
A. SurvivalofindividualswithBcellsneededforimmunitytoadisease
B. GenerearrangementforBcelldiversity
C. ProliferationofaspecificBcell
D. AntibodysecretionbyspecificBcells
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36. Whatistheroleofcartilageintheelbowjoint?
A. Allowseasymovementbetweenbones
B. Secretessynovialfluid
C. Connectstricepsmuscletoforearmbones
D. Preventsdislocationofhumerusfromforearmbones
37. Wheredospermcompletetheirdevelopmentandbecomeabletoswim?
A. Spermduct
B. Seminalvesicle
C. Seminiferoustubules
D. Epididymis
38. Whatistheroleofthecorticalreactioninfertilization?
A. Attractslargenumbersofspermtoanegg
B. Allowstheplasmamembranesofonespermandoneeggtofuse
C. Resultsinformationofsecondpolarbodytoproducehaploidegg
D. Preventsmultiplespermfromfertilizingtheegg
39. Whichstructuralcomponentisrepeatedinamyofibril?
A. Sarcomere
B. Sarcolemma
C. Sarcoplasmicreticulum
D. Nucleus
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40. Thediagramshowsanephronandassociatedbloodvesselsfromahumankidney.Whichstructureproducesahighsoluteconcentrationinthemedulla?
[Source:http://en.wikipedia.org/wiki/File:2618_Nephron_Secretion_Reabsorption.jpg]