Biology/Life Science MCQ 003 for UGC CSIR JRF/NET, ICMR JRF, DBT JRF, GATE, ICAR NET examination...
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Transcript of Biology/Life Science MCQ 003 for UGC CSIR JRF/NET, ICMR JRF, DBT JRF, GATE, ICAR NET examination...
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UGCCSIRJRF/NET,ICMRJRF,DBTJRF,GATE,ICARNET
LifeSciencesModelQuestions(MCQ)003
ModelQuestionPaper
Biochemistry:CarbohydratesPart2(MCQ)
1. Thevitreoushumorofeyeiscomposedof
a. Heparinb. Hyaluronicacidc. KeratanSulfated. Chondroitinsulfate
2. N‐acetylglucosamine(NAG)andN‐acetylmuramicacid(NAM) inpeptidoglycan isconnectedby_________glycosidiclinkage.
a. α1–4b. β1–4c. α1–2d. β1–2
3. Sulbactamisa____________.a. β‐lactamantibioticb. βlactamasec. βlactamaseinhibitord. Aclassofpenicillin
4. Which of the following isnot a sugarmolecule of theO‐antigenof gramnegativebacteria?
a. Tyveloseb. Abequosec. 2keto‐3‐deoxyoctanoated. Teichoicacid
5. Glycosidicbondbetweengalactoseandglucoseinlactoseisa. α1–4b. β1–4c. α1–2d. β1–2
6. Whichofthefollowingisasugaralcohol?a. Arabitolb. Manitolc. Sorbitold. Allofthesewww.ea
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7. Minimumnumberofcarbonsrequiredforanaldosesugartohaveacyclicstructureis
a. 3b. 4c. 5d. 6
8. ThereservefoodmaterialsofRhodophyceae(redalgae)isa. Laminarinb. Chrysolaminarinc. Floridianstarchd. Starch
9. Reservefoodmaterialoffungiis_______a. Glucoseb. Starchc. Laminarind. Glycogen
10. GlycosidicbondinTrehaloseisa. α1–4b. α1–2c. α1–1d. β1–2
11. Whichofthefollowingisanon‐reducingsugara. Maltoseb. Lactosec. Trehalosed. Cellobiose
12. Adisaccharideofgalactoseandfructosejoinedbyβ1–4glycosidiclinkage:a. Trehaloseb. Lactulosec. Gentiobiosed. Melibiose
13. Whichofthefollowingsugardonotformcyclicstructurea. Erythruloseb. Dihydroxyacetonec. Both(a)and(b)d. Erythrose
14. Adisaccharideoftwoglucosemoleculesjoinedbyβ1–6glycosidiclinkage:a. Trehalosewww.ea
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b. Gentiobiosec. Lactulosed. Melibiose
15. GlycerolmoietiesinTeichoicacidofbacterialcellwallarelinkedeachotherbya. Etherbondsb. Esterbondsc. Phosphodiesterbondsd. Glycosidicbonds
16. Adisaccharideofgalactoseandglucoseinα1–6glycosidiclinkage:a. Lactoseb. Melibiosec. Gentiobiosed. Verbascose
17. WhichofthefollowingsequencecorrectlyrepresentthesweetnessofGlucose,SucroseandFructose
a. Glucose<Sucrose<Fructoseb. Sucrose<Glucose<Fructosec. Glucose≤Sucrose<Fructosed. Glucose>Fructose>Sucrose
18. Aftertheosazonetest,thesamplesugargaveneedleshapedcrystals,thesamplesugarwillbe
a. Glucoseb. Fructosec. Maltosed. Cellulose
19. PartialfermentationofcanesugarbyLeuconostocmesenteroidesproducea. GlucoseandFructoseb. GlucoseandGluconicacidc. FructoseandGluconicacidd. Dextran
20. WhichofthefollowingcommonlyactsastheprecursorforthesynthesisofVitaminC(Ascorbicacid)inplants:
a. Fructoseb. Ribosec. Glucosed. Ribulose
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