hsst botany 2012 higher secondary school teacher junior and senior kerala psc question paper by...

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KeralaPSCHSSTBotany2012ExaminationHigherSecondarySchoolTeacher:Junior&SeniorQuestionPaperCode40/2012(Cat.NO.449/2010)

Original question paper of Kerala PSC HSST Botany Junior / Senior (Higher SecondarySchool Teacher Botany), Category No. 449/2010) examination conducted by Kerala PSC(Public Service Commission) on 13/04/2002 (Q. Code 40/2012) for the appointment ofHSSTBotanyinGovernmentHigherSecondarySchoolsofKeralaundertheDirectorateofHigherSecondaryEducation,Trivandrum,Govt.ofKerala.QuestionsareinMCQ(MultipleChoiceQuestions)format.

1. KeyenzymeinPCR:

a. Taqpolymeraseb. EcoRIc. Restrictionendonucleased. Ligase

Ans.(a)2. Rootlessplant:

a. Rhizophorab. Azollac. Salviniad. Grass

Ans.(c)3. Diagrammaticrepresentationofchromosomeofanorganismarrangedaccordingto

theirsizeiscalled:a. Genotypeb. Genomec. Idiogramd. Phenotype

Ans.(c)4. FatherofgreenrevolutioninIndia

a. Linnaeusb. Haberlandtc. K.Ramaihd. M.S.Swaminathan

Ans.(d)5. Whichofthefollowingisapetrocrop?

a. Jatrophab. Fossilwww.ea

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c. Limestoned. Crotalaria

Ans.(a)6. Verticillasterinflorescenceisfoundin:

a. Apiaceaeb. Lamiaceaec. Rutaceaed. Apocynaceae

Ans.(b)7. Botanicaldatabaseofplantspecimens

a. BLASTb. Plantc. Tropicosd. Linux

Ans.(c)8. Thegiantnatureofsalivaryglandchromosomeisdueto:

a. Endomitosisb. Mitosisc. Amitosisd. Meiosis

Ans.(a)9. Palmoilobtainedfrom:

a. Borassusflabelliferb. Linumusitatissimumc. Ricinuscommunisd. Elaeisguinensis

Ans.(d)10. Biologicalplastic:

a. Cellulose,hemicellulose,agaroseb. Cellulose,amylase,glactosec. Cutin,lignin,suberind. Pectin,cutin,gelatin

Ans.(c)11. Osmoticbalancerinprotoplastisolation:

a. Mannitolb. Agaragarc. Sodiumalginated. Noneoftheabove

Ans.(a)www.easy

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12. Theinductionoffloweringbylowtemperaturetreatmentiscalled:a. Cryobiologyb. Photoperiodismc. Vernalizationd. Silviculture

Ans.(c)13. Ruminateendospermisseeninthefamily:

a. Asclepiadaceaeb. Annonaceaec. Acanthaceaed. Alismataceae

Ans.(b)14. Electrophoreticseparationisbasedon:

a. Atomicweightb. Chargec. Polarityd. Chargeandpolarity

Questionremoved15. Thelargestherbariumintheworldislocatedat:

a. Genevab. NewYorkc. Kewd. Paris

Ans.(d)16. Greenhouseeffectiscausedby:

a. CO2b. SO2c. NO2d. CO

Ans.(a)17. Vincristinisextractedfrom

a. Catharanthusroseusb. Ixoracocceniac. Daturastramoniumd. Adathodavasica

Ans.(a)18. DNAfingerprintinginvolves:

a. RIAb. VNTRwww.ea

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c. ELISAd. RFLP

Questionremovedbefore19. Inallopatricspeciation,theinitialbarriersforgeneflowis:

a. Behavioralb. Postzygoticc. Geographicd. Ecological

Ans.(c)20. AnexampletoTransgenicplant:

a. BTcottonb. FlavrSavrTomatoc. Goldenriced. Allofthese

Ans.(d)21. Anoceanoilspillagehasbeencleanedusedbacteria.Theprocessis:

a. Biocatalysisb. Bioremediationc. Southernblottingd. Polymerization

Ans.(b)22. Naturalrubberisa:

a. Monoterpeneb. Diterpenec. Polyglycerided. Polyterpene

Ans.(d)23. Aliveviralvaccine

a. Pertussisb. Typhoidc. Poliomyelitisd. Tetanus

Ans.(c)24. InIndiaforthefirsttimethetransgenicplantswereintroducedbytheUScompany:

a. Celeragenomicsb. Calgenec. IndoAmericanHybridSeedsd. Monsanto

Ans.(d)www.easy

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25. Blisterblightofteaiscausedby:a. Aternariasolaniib. Pucciniagraminisc. Exobasidiumvexansd. Mycoplasma

Ans.(c)26. Auxosporesareproducedby:

a. Volvoxb. Spirogyrac. Diatomsd. Oedogonium

Ans.(c)27. Lectinsare:

a. Lipidsb. Proteinbindingcarbohydratec. Fattyacidsd. Carbohydratesbindingproteins

Ans.(b)28. Nameanenzymewhichisactiveat90oC

a. Taqpolymeraseb. DNApolymerasec. RNApolymerased. Helicase

Ans.(a)29. Amphibiansofplantkingdom:

a. Algaeb. Lichensc. Bryophytesd. Gymnosperms

Ans.(c)30. Olericulturedealswith:

a. Flowersb. Vegetablesc. Mushroomd. Fruits

Ans.(b)31. Annualringsarerelatedwith:

a. Dendrocronologyb. Palynologywww.ea

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c. Palentologyd. Cryology

Ans.(a)32. Haematoxyleneisa:

a. Basicstainb. Nuclearstainc. Acidstaind. Mordant

Questionisremoved33. Innullisomicconditionchromosomenumberis:

a. 2n‐2b. 2n+2c. 2n‐1d. 2n+1

Ans.(a)34. Whichamongthefollowingactsasterminationcodon?

a. AUGb. UAGc. GUGd. ATG

Ans.(b)35. Energystarisusedin:

a. Trustedsiteb. E‐wastec. Greencomputingd. CD

Ans.(c)36. Auxanometerisusedtomeasure:

a. Plantgrowthb. Intensityofsoundc. Waterpotentiald. Osmosis

Ans.(a)37. Jeevaniis

a. Nameofanethnomedicineb. Carminativec. Aweed. Oilseedcrop

Ans.(a)www.easy

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38. Rulesofbotanicalnomenclaturearecompiledin:a. ICZNb. ICNBc. ICBNd. ZCBN

Ans.(b)39. Fatherofplanttissueculture:

a. Haberlandtb. Maheswaric. Linnaeusd. Hanning

Ans.(a)40. Stelewithleafgapandbranchgap:

a. Cladosiphonicb. Phyllosiphonicc. Amphiphloicd. Protostele

Ans.(b)41. Thechemicalconstituentoftheseedcoatinsyntheticseed:

a. Calciumchlorideb. Calciumalginatec. Sodiumnitrated. Sodiumalginate

Ans.(b)42. MajorsourceofsugarinIndia

a. Beetrootb. Sugarcanec. Datesd. Sugarbeet

Ans.(b)43. Glyoxylatepathwayisconcernedwith:

a. Synthesisofsucroseb. Netsynthesisofglucosefromfattyacidsc. SynthesisofATPd. SynthesisofNADPH

Questionremoved44. ContributionofVanRheed:

a. FloraofPresidencyofMadrasb. GeneraPlantarumwww.ea

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c. HortusIndicusMalabaricusd. Speciesplantarum

Ans.(c)45. TheprimaryacceptorofCO2inC3pathwayis:

a. PEPb. RuBPc. GDPd. NADP

Ans.(b)46. Viviparyisshownby:

a. Parasiteb. Mesophytec. Hydrophyted. Halophyte

Ans.(d)47. Colchicineisextractedfrom:

a. Bixaorellanab. Colchicumautumnalec. Gloriosasuperbad. Nicotianatabaccum

Ans.(b)48. MajorhotspotinKerala:

a. SilentValleyb. Eravikulumc. Nilgirid. Muthumalai

Questionremoved49. Phylogenydescribes:

a. Morphologicalsimilarityb. Geographicdistributionc. Evolutionaryhistoryd. Reproductivecompatibility

Ans.(c)50. Centraldogmaofmolecularbiology:

a. DNAb. RNAc. Insulind. Goldenrice

Questionremovedwww.easy

biolog

51. GFPstandsfor:a. GreenFluorescentProteinb. GeneFingerPrintingc. GreyFluorescentProteind. GreenFluorescentPlants

Ans.(a)52. AsafoetidaisobtainedfromwhichpartofFerulaasafetida:

a. Stembackb. Leafc. Rootd. Fruit

Ans(c)53. Studyofpollengrainsinhoney:

a. Stenopalynologyb. Dendrocronologyc. Latropalynologyd. Melittopalynology

Ans.(d)54. InAsteraceae,androeciumis:

a. Monadelphousb. Synandrousc. Polyadelphousd. Syngenesious

Ans.(d)55. Methodemployedinthedetectionofproteins:

a. Northernb. Southernc. Westernd. PCR

Ans.(c)56. Humangenomeprojectworkedwith:

a. RFLPb. RAPDc. AFLPd. Shotgunmethod

Ans.(d)57. 9:7istheF2ratioin:

a. Inhibitorygeneactionb. Supplementarygeneactionwww.ea

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c. Complementarygeneactiond. Duplicategeneaction

Ans.(c)58. Cystolithsare:

a. CaCO3b. CaNO3c. CaNO2d. CaSO4

Ans.(a)59. Improvingthegeneticcompositionofapopulationis:

a. Euphenicsb. Euthenicsc. Eugenicsd. Euglenics

Ans.(c)60. SWISPROTisadatabasefor:

a. Nucleicacidsb. Proteinsc. Nucleotided. Genes

Ans.(b)61. Highestnumberofchromosomereportedin:

a. Elephantb. Reflessiac. Mand. Ophioglossum

Ans.(d)62. Oliogenescontrol:

a. Quantitativecharactersb. Qualitativecharactersc. Randomgeneticdriftd. Recombination

Ans.(a)63. Protoplastfusionistechnicallyknownas:

a. Cloningb. Asexualreproductionc. Prasexualhybridizationd. Noneofthese

Ans.(c)www.easy

biolog

64. Marinepteridophyte:a. Pterisb. Actinopterisc. Angiopterisd. None

Ans.(d)65. Giftofoldworldtonewworld:

a. Maizeb. Wheatc. Barleyd. Oat

Questionremoved66. Thefirsttransgeniccropproducedwas:

a. Tobaccob. Peac. Cottond. Flax

Ans.(a)67. Organismusedincoir‐pithcomposting:

a. Eudrilusenginaeb. Pleurotussajar‐cayrc. Rhizobiumsp.d. Agaricuscampestris

Ans.(b)68. Ogiveisa:

a. Frequencypolygonb. Relativefrequencymapc. Frequencycurved. Cumulativefrequencycurve

Ans.(d)69. Androgenichaploidswerefirstproducedby:

a. Stewardandwhiteb. GuhaandMaheswaric. ReinertandBajajd. BourginandNitsch

Ans.(b)70. Whichofthefollowingisanindirectgenetransfermethod:

a. Microinjectionb. Biolisticswww.ea

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c. Cosmidd. Lipofection

Ans.(c)71. DNAdenaturationtemperatureinPCR:

a. 35‐37oCb. 40‐60oCc. 70‐75oCd. 90‐98oC

Questionremoved72. Thetechniqueusedtosolveparentaldisputeis:

a. DNAfingerprintingb. Westernblotc. RIAd. ELISA

Ans.(a)73. Sagoisextractedfrom:

a. Cycasb. Adiantumc. Pinusd. Nephrolepis

Ans.(a)74. Infectiveproteinparticles:

a. Virusb. Viroidc. Priond. Intron

Ans.(c)75. InhumanABCbloodgroupsystemiscontrolledby:

a. Pseudoallelesb. Multipleallelesc. Dominantalleled. Recessiveallele

Ans.(b)76. Fossilfuelsare:

a. Renewableresourcesb. Non‐renewableresourcec. Inexhaustibleresourcesd. Non‐renewableandexhaustibleresource

Ans.(d)www.easy

biolog

77. Parthenocarpyisinducedbythehormone:a. BAPb. GAc. IAAd. ABA

Questionremoved78. AsexualreproductivestructureinLichenis:

a. Apotheciumb. Soridiac. Gonidiad. Conidia

Ans.(b)79. Naturalanti‐transpirant:

a. CO2b. COc. O2d. Ozone

Ans.(a)80. Cadmiumpoisoningleadsto:

a. Minamatab. Moltingofteethc. Epilepsyd. Itai‐Itai

Ans.(d)81. Theprincipalpigmentinphotosynthesis:

a. Chlorophyllab. Chlorophyllbc. Carotened. Xanthophyll

Ans.(a)82. NationalBotanicalGardenislocatedat:

a. Mumbaib. Lucknowc. Delhid. Culcuta

Ans.(b)83. Theuniversalcurrencyoffreeenergyinbiologicalsystem:

a. ATPb. GTPwww.ea

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c. NAD+d. NADPH

Ans.(a)84. Hormoneinvolvedinstomatalclosure:

a. Gibberellicacidb. Abscisicacidc. IAAd. Ethylene

Ans.(b)85. Aposporymeans:

a. Formationofsporophytefromgametophyteb. Amphimixisc. Formationofgametophytefromsporophyted. Parthenospory

Ans.(c)86. Freshwateralgae:

a. Batrochospermumb. Ulvac. Sargassumd. Laminaria

Ans.(a)87. SuppressionofgeneexpressioninantisenseRNAtechnologyoccursat:

a. DNAlevelb. RNAlevelc. ProteinLeveld. Noneoftheabove

Ans.(c)88. ThegenetargetedintheproductionofFlavarSavrtomato:

a. Cry1b. Reversetranscriptasec. Cry2d. Polygalacturonase

Ans.(d)89. Apotheciumisthefruitbody:

a. Ascomycotab. Basidiomycotac. Mastigomycotad. Zygomycota

Ans.(a)www.easy

biolog

90. Cybridscontain:a. Nucleiofbothparentsandcytoplasmofoneparentb. Cytoplasmofbothparentsandnucleusofoneparentc. Cytoplasmandnucleiofbothparentsd. Cryopreservedhybrids

Ans.(b)91. Afungaltoxin:

a. Glutamineb. Smutc. Ergotamined. HCN

Ans.(c)92. Geneticdiseasecanberectifiedby:

a. Antibioticsb. Vaccinesc. Monoclonalantibodiesd. Genetherapy

Ans.(d)93. Intissueculturerootscanbeinducedby:

a. Loweringconcentrationofcytokininandhigherconcentrationofauxinb. Higherconcentrationofcytokininandlowerconcentrationofauxinc. Bothinequalproportiond. Onlyauxinandnocytokinin

Ans.(a)94. Endospermistheusefulpartin:

a. Cottonb. Peanutc. Wheatd. Cashewnut

Ans.(c)95. Virusfreeclonescanbeobtainedfrom:

a. Calluscultureb. Meristemculturec. Haploidcultured. Embryoculture

Ans.(b)96. FatherofModernBotany:

a. Linnaeusb. Theophrastuswww.ea

lass.c

c. Hookerd. Aristotle

Ans.(a)97. Carbohydratesare:

a. Polyalcoholsb. Hydroxyaldehydesc. Hydroxyketonesd. Polyhydroxyaldehydesorpolyhydroxyketones

Ans.(d)98. Whichofthefollowingisaherbicide:

a. Ethyleneb. Methylenec. 2,4,Dd. IBA

Ans.(c)99. Eravikulamisa:

a. Touristplaceb. Bioreservec. Nationalparkd. Sanctuary

Ans.(c)100. Classificationbasedonsecondarymetabolitiesis:

a. Cytotaxonomyb. Chemotaxonomyc. Experimentaltaxonomyd. Phenetictaxonomy

Ans.(b)

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