Kerala PSC Botany Lecturer 2009 Examination Part 2 (MCQ 011 2015) by Easybiologyclass

MCQ011 Savepaper…Savetrees…

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KeralaPSCBotanyLecturer/AssistantProfessorQuestionPaper(Cat.NO.464/2007)

OriginalquestionpaperofKeralaPSCBotanyLecturer/AssistantProfessor(CategoryNo.464/2007) examination conducted by Kerala PSC (Public Service Commission) on20/06/2009 (Q. Code 196/2009) for the appointment of Botany Lecturer/AssistantProfessorinGovernmentCollegesofKeralaundertheDirectorateofCollegiateEducation,Trivandrum,Kerala.MCQ(MultipleChoiceQuestionsformat)

Part–1(Questions26–50)(MCQ011)

26. Truestatementsaboutretro‐transposonsincludewhichofthefollowing?

I. TheyreplicatethroughanRNAintermediate

II. Theyutilizereversetranscriptaseforreplication

III. Theymaycontainintrons

a. Ionly

b. IIIonly

c. IandII

d. I,IIandIII

27. Themostrecent commonancestorofall landplantswasmost similar tomodern‐

daymembersofwhichgroup?

a. Brownalgae

b. Redalgae

c. Charophyceae

d. Cyanobacteria

28.Whichofthefollowingischaracteristicofalternationofgenerationsinlandplants?

a. Meiosisinsporophytesproduceshaploidspores

b. Gametophytesproducesporesthatdevelopintogametes

c. Eitherthegametophyteorthesporophyteisunicellular

d. Haploidsporophytemakehaploidspores

29. Bryophyteshaveallthefollowingcharacteristicsexcept:

a. Multi‐cellularitywww.easybiologyclass.

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b. Lignifiedvasculartissue

c. Specializedcellsandtissues

d. Areduced,dependentsporophyte

30. Thefollowingarealladaptationstolifeonlandexcept:

a. Tracheidsofvascularxylem

b. Seeds

c. Reducedgametophytegeneration

d. Chlorophyll

31. WhichoftheseshouldhavehadgenesequencesmostsimilartotheCharophycean

thatwasthecommonancestorofthelandplants?

a. EarlyAngiosperms

b. EarlyGymnosperms

c. EarlyPteridophytes

d. EarlyBryophytes

32. Working from deep geologic strata toward shallow geologic strata, what is the

sequenceinwhichfossilsofthesegroupsshouldmaketheirfirstappearance?

1. Charophyceans

2. Singlecelledgreenalgae

3. Bryophytes

4. Plantswithadominantsporophyte

a. 3,1,2,4

b. 2,4,1,3

c. 2,1,3,4

d. 1,3,2,4

33. Which of the following is not true concerning the sporophyte or gametophyte

generationsoffloweringplants?

a. Thesporophytegenerationisdominant

b. Thesporophytegenerationiswhatweseewhenlookingatalargeplant

c. Thefloweriscomposedofgametophytetissueonlywww.easybiologyclass.

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d. Thegametophytegenerationisnotphotosynthetic

34. Gymnospermsdifferfrombothextinctandextantfernsbecausethey:

a. Havepollen

b. Arewoody

c. Havespores

d. Havemacrophylls

35. Over human history, which process has been most important in improving the

featuresofplantsthathavelongbeenusedbyhumanasstaplefoods?

a. Geneticengineering

b. Sexualselection

c. Artificialselection

d. Pesticideandherbicideapplication

36. Name the structures of seed plants with the proper sex and generation that

producedanther:

a. Malegametophyte

b. Femalegametophyte

c. Malesporophyte

d. Femalesporophyte

37. Agroupoforganismsatanyparticularlevelinaclassificationsystemiscalled:

a. Taxon

b. Species

c. Genus

d. Phylum

38. Thefungithatcauseathlete’sfootareinthephylum

a. Zygomycota

b. Basidiomycota

c. Deuteromycota

d. Ascomycota

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39. Thedangersofdisposingtoxicchemicalsundergroundcametopublicattention in

whichofthefollowinglocations?

a. Bhopal,India

b. Lovecanal,Newyork

c. Minamata,Japan

d. Chernobyl,Ukraine

40. X‐chromosomeinactivation

a. Normallytakesplaceinmalesbutnotfemales

b. TakesplaceinhumansothatthesameXchromosomeisinactiveinallofthe

cellsofafemale

c. Occursinfruitfliesbutnotinmammals

d. Results in genetically turning off one of the two X chromosomes in female

mammals

41. Virusesareassignedtothekingdom:

a. Protista

b. Fungi

c. Archaebacteria

d. Noneoftheabove

42. Prokaryoticorganismsmakeupthe

a. EubacteriaandArchaebacteria

b. Archaebacteria,EubacteriaandProtists

c. ArchaebacteriaandProtists

d. ProtistsandEubacteria

43. Whichchemicalbelowwouldyounotfindinphospholipid?

a. C

b. O

c. H

d. N

44. Totonymisanamewhich:www.easybiologyclass.

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a. Speciesnameexactlyrepeatsthegenusname

b. Whenmorethanonenameisattributedtoaplant

c. Samenamegiventodifferentplants

d. AnamewithoutLatindescription

45. Whichisnotconsideredastheimmediateprobableancestorofangiosperms?

a. Coniferales

b. Pteridospermales

c. Bennettitales

d. Primofilicales

46. Aggregatefruitsdevelopfrom:

a. Apocarpuspistilofasingleflower

b. Syncarpouspistilofasingleflower

c. Apocarpouspistilofaninflorescence

d. Syncarpouspistilofaninflorescence

47. Linnaeussystemofclassificationisbasedon:

a. Habitandhabitat

b. Vegetativecharacters

c. Sexualcharacters

d. Totalcharacters

48. Hesperidiumisthecharacteristicfruitofthefamily:

a. Malvaceae

b. Meliaceae

c. Graniaceae

d. Rutaceae

49. ThetypeofclassificationwhichisalsoknownasAdansonianclassification:

a. Numericaltaxonomy

b. Chemotaxonomy

c. Moleculartaxonomy

d. Noneoftheabovewww.easybiologyclass.

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50. BondangleofH‐O‐His:

a. 104.5o

b. 105.4o

c. 104o

d. 105o

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