1. type of collagen present in hyaline cartilage istype IItype IVtype Itype IIIQuestion 1 of 20 2. All are caused by amino acid deficiency exceptGalactosemiaPhenylketonuriaHomocysteinemiaAlkaptonuriaQuestion 2 of 20 3. In liver, ethanol is converted toAcetaldehydeOxaloacetateMethyl alcoholPyruvateQuestion 3 of 20 4. to which of the following family of chemical mediators of inflammation the lipoxins belongarachidonic acid metabolitescytokineskinin systemchemokinesQuestion 4 of 20 5. Initiation of visual impulse is associated withPhotoisomerisation and hydrolysis of visual purpleCondensation of opsin with Vit A aldehydeDec in NADDec in NADPQuestion 5 of 20 6. The most common condition of inherited blindness due to mitochondrial chromosomal anomaly isLebers hereditary optic neuropathyRetinopathy of prematurityRetinal detachmentRetinitis pigmentosaQuestion 6 of 20 7. Which vitamin is necessary for coenzyme A synthesispantothenic acidAscorbic acidBiotinpyridoxineQuestion 7 of 20 8. xanthoproteic test is used forReducing sugarsBile saltsAmino acidsKetone bodiesQuestion 8 of 20 9. CO acts by inhibiting which component of respiratory chain-Oxidative phosphorylationNADH CoQ reductaseCytochrome bCytochrome C oxidaseQuestion 9 of 20 10. Hexokinase is aOxireductaseTransferaseSynthaseCarboxypeptidaseQuestion 10 of 20 11. Albumin and globulin are classified asSimple globular proteinsDerived proteinsConjugated proteinsUnconjugated proteinsQuestion 11 of 20 12. one of the following is not a precursor of adrenalinedopamineisoprenalinephenylalaninenor adrenalineQuestion 12 of 20 13. Cori's cycle is concerned with transport ofNoneLactateAlanineGlutamateQuestion 13 of 20 14. Normal role of Micro RNA isRNA splicingInitiation of translationGene regulationDNA conformational changeQuestion 14 of 20 15. In molecular cloning blue white screening is usedTo detect DNA in situTo detect gene mutationsTo identify desired chromosomal DNA insert in plasmid vectorsTo screen for recombinant vectorsQuestion 15 of 20 16. All are true about glutathione exceptIt converts hemoglobine to methemoglobinIt scavenges free radicals and superoxide ionsIt conjugates xenobioticsIt is a tripeptideQuestion 16 of 20 17. thiamine requirement increase in excessive intake ofamino acidcarbohydratesfatlecithineQuestion 17 of 20 18. All of the following enzymes are regulated by calcium or calmodulin exceptAdenylate cyclaseHexokinaseGlycogen synthaseGuanylyl cyclaseQuestion 18 of 20 19. Zellweger syndrome is due to defect inFatty acid oxidation in smooth ERFatty acid oxidation in peroxisomesFatty acid oxidation in mitochondriaFatty acid synthesis in cytosolQuestion 19 of 20 20. action of a-sununit of G protein isconversion of GDP to GTPbinding of agonistsbreakdown of GTP to GDPintemalization of receptorsQuestion 20 of 20 Loading...