Kerala PSC Botany Lecturer Recruitment Exam Question Paper 2003 Part 1 Free PDF by Easybiologyclass

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KeralaPSCBotanyLecturer/AssistantProfessorQuestionPaper(250/2003)

Original solved question paper of Kerala PSC Botany Lecturer/Assistant Professorexamination conducted by Kerala PSC (Kerala Public Service Commission) for theappointment of Botany Lecturer/Assistant Professor in Government Colleges of Keralaunder theDirectorate of Collegiate Education, Trivandrum, Kerala. Question Paper CodeNumber 250/2003. Questions are in MCQ (Multiple Choice Questions) format. Detailedanswerkeywithexplanationsaregivenatendofeachset.

Part–1/5(Questions1–20)

1. Shuttlevectorsare:a. Capableofreplicatingintwodifferenthostsb. Produceintwodifferenthostsc. Producedinonemicrobebutmultiplyinanotherd. Travelbetweenhostandparasite

2. Theouterlayerofthecellwallingramnegativebacteriaisa. Secondarywalllayerb. Primarywallmembranec. Peri‐plasmicmembraned. Capsulemembrane

Learnmore:Gram+ivevsGram–iveBacteria:SimilaritiesandDifferences 3. Abacteriumusedasbio‐insecticidebycreatingatransgenicplant:

a. Bacillusthuringiensisb. Streptococcuscremorisc. Bacilluslicheniformisd. Thiobacilluscervicii

4. The heat content which is exchanged between isothermal system and itssurroundinginbioenergeticschangeisdescribedas:

a. Entropychangeb. Activationenergychangec. Freeenergychanged. Enthalpychange

5. Carpogoniaare:a. Diploidstructuresb. Haploidstructuresc. Triploidstructureswww.ea

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d. Tetraploidstructures6. ‘Kappa’particlesare:

a. ExtrachromosomalDNAofcytoplasmb. Non‐functionalDNAofcytoplasmc. EssentialgenomicDNAofthecelld. Non‐essentialgenomicDNAofthecell

7. Whichofthefollowingisnotthecharacterofleg‐hemoglobin?a. Veryhighaffinityforoxygenb. Directroleinnitrogenfixationc. Presentinallsymbioticnitrogenfixingplantsd. Synthesizedbytheplantgenome

8. Themanmadecereal‘Triticale’isa. Hexaploidb. Diploid

c. Haploidd. Tetraploid

9. Carrageenanis:a. Analgalproductb. Afungalproductc. AproductofCarryotaurensd. Producedfromcarrayagum

10. ‘ChromosomeWalking’canbeusedfor:a. Constructionofrestrictionmapsb. Aneffectivetoolforgenesplicingc. Identificationoffragmentswithoverlappingsequencesd. Chromosomehybridization

11. PrimedsynthesismethodofDNAsequencewasdevelopedby:a. MaxamandGilbertb. SangerandCoulsonc. MeselsonandStahld. HersheyandChase

12. Redrustofteaisa: a. Fungaldiseaseb. Bacterialdiseasec. Viraldiseased. Algaldisease

13. ‘Reindeermoss’canaccumulateradioactivefallout.Itis a. Sphagnumb. Cladoniac. Funariawww.ea

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d. Usnea14. E.coliisa:

a. Gramnegativebacteriumb. Grampositivebacteriumc. Gramneutralbacteriumd. Noneofthesetypes

15. Toxoidsare:a. Chemicallyalteredtoxinsb. Chemicalsthatactagainsttoxinsc. Chemicalssimilartotoxinsd. Syntheticchemicalsusedastoxins

16. BiologicalnitrogenfixationinheterocystofNostocisdueto:a. Presenceofnitrogenaseintheheterocystb. Presenceofleg‐hemoglobinintheheterocystc. PresenceofFe‐Mncofactorintheheterocystd. Presenceofanaerobicconditioninsidethethickheterocyst

17. Pollengrainswithelongatedfurrowperpendiculartothelongaxis inthesexineiscalledas:

a. Sulcateb. Rugatec. Porated. Colpate

18. Discretecytoplasmicslimebodiesareseenin:a. Parenchymacellsb. Reactionwoodc. Bastfibresd. Sievetubes

19. Secondarymetaboliteproductioninculturedcellsisstimulatedby:a. Sucroseb. PEGc. Elicitorsd. 2,4,‐D

20. ‘Ashwagandha’belongstothefamilya. Solanaceaeb. Verbenaceaec. Asteraceaed. Rubiaceae

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