ICMR JRF Model Question Paper 01 with Answers and Explanations by easybiologyclass
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Transcript of ICMR JRF Model Question Paper 01 with Answers and Explanations by easybiologyclass
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FormoreQuestionsandResourcesforyourCSIR/ICMR/JRFNETLifeScienceExaminationpleasevisit:
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ICMRJuniorResearchFellowshipExamination2015:LifeSciences
INDIANCOUNCILOFMEDICALRESEARCH
ModelQuestionPaper01
1. Theaveragesizeof70Sribosomesofprokaryotesare:a. ~200Åb. ~250Å
c. ~290Åd. ~303Å
2. Whichofthefollowingisanexampleforchemolithotroph?a. Acidithiobacillus
ferrooxidansb. Nitrosomonas
c. Nitrobacterd. Alloftheabove
3. Whichofthefollowingisanexamplefordenitrifyingbacteria?a. Nitrosomonasb. Nitrobacter
c. Pseudomonadsd. Alloftheabove
4. Who introduced the group Archaea for a group of prokaryotes on the basis ofphylogeneticanalysisof16SrRNA?
a. RogerStanierb. CarlWoese
c. C.B.vanNield. TheodorEscherich
5. Whodiscoveredendoplasmicreticulum?a. Keithporterb. KonstantinMereschkowsky
c. CamilloGolgid. GeorgeEmilPalade
6. Acrosomeofspermcellisamodified________.a. Lysosomeb. Peroxisome
c. Golgid. Noneofthese
7. Calmodulin is a calcium‐binding messenger protein of eukaryotic cells. A singlecalmodulinproteinatatimecanbind_______Ca2+ions.
a. 1b. 2
c. 3d. 4
8. TheH–O–Hbondangleofwatermoleculeis____________.a. 103.5o
b. 104.5oc. 105.5o
d. 109.5o
9. Atatimeasinglewatermoleculecanform_______hydrogenbondswithotherwatermolecules
a. 1b. 2
c. 3d. 4www.ea
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10. pHbelowpI,aminoacidswillbe___________.a. Cationicb. Anionic
c. Nocharged. Netchargezero
11. Whichofthefollowingisanexampleforaribozyme?a. Transpeptidaseb. Glutamyltranspeptidase
c. Peptidyltransferased. Alloftheabove
12. ThenebenkernofDrosophilaspermcellisamodified________.a. Nucleusb. Mitochondria
c. Lysosomed. Golgi
13. WhichofthefollowingchromosomalaberrationcausesPatausyndromeinhuman?a. Trisomy21b. Trisomy13
c. Trisomy18d. Trisomy8
14. Theonlyantibodyabletocrossplacentatogivepassiveimmunitytothefetus_____.a. IgAb. IgE
c. IgGd. IgM
15. Whichofthefollowingantibodyisinvolvedinallergicreactions?a. IgAb. IgE
c. IgGd. IgM
16. Antibodypresentintearsandsalivais:a. IgAb. IgE
c. IgGd. IgM
17. Anautoimmunediseasethataffectsthethyroidglandis_________a. Tay–Sachsdiseaseb. Addison'sdisease
c. Graves'diseased. Behçet'sdisease
18. How many different types of gametes can be produced by an organism withgenotypeAaBBCCDdEe?
a. 4b. 6
c. 8d. 10
19. Weil–Felixtestisusedforthediagnosisof________a. Rickettsialinfectionb. Pertussis
c. Cholerad. Africansleepingsickness
20. PhiX‐175isa___________.a. ssRNAvirusb. dsRNAvirus
c. ssDNAvirusd. dsDNAvirus
21. DiploidchromosomenumberofPantroglodytesisa. 42b. 44
c. 46d. 48
22. The20differentaminoacidsintheproteinarenormallycodedby:a. 60codons b. 61codonswww.ea
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c. 62codons d. 63codons23. Whichofthefollowingisthecausativeagentoffowlcholera?
a. Vibriocholerab. Escherichiacoli
c. Salmonellapullorumd. Pasteurellamultocida
24. Whichofthefollowingaminoacidsiscodedbymaximumnumberofcodons?a. Leucineb. Tryptophan
c. Valined. Alanine
25. Aluelementsarea. Transposonsb. Retroposons
c. SINESsd. LINEs
26. FortheconstructionofRamachandran’splotvaluesofPsiandPhiareplotted.ThevalueofPhiistherotationanglearound:
a. N–Cαbondb. Cα–Cbond
c. C–Nbondd. N–Hbond
27. Which of the following causes deviation in Hardy‐Weinberg equilibrium in apopulation?
a. Randommatingb. Smallpopulationsize
c. Lackofselectionpressured. Nomutation
28. Whichofthefollowingaminoacidsinaproteinformsa‘saltbridge’?a. Tyr–Pheb. Cys–Cys
c. Lys–Glud. Ala–Val
29. Bunchytopdiseaseofbananaistransmittedbythevector:a. Ferrisiavirgatab. Aphisgossypii
c. Thripstabaccid. Pentalonianigronervosa
30. Thesourceofdwarfinggenesinwheatis____a. Ganga101b. Norin10
c. Dee‐geo‐woo‐gend. Sonalika
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