Bioinorganic Chemistry
76 questions in this chapter, page 1 of 2.
Study loop for Bioinorganic Chemistry
1. Practise the PYQsPrevious-year questions, with answers
Bioinorganic Chemistry – General
ABC26IN0851 · The ligand system present in vitamin B12 is: · JUNE 2011
ABC26IN0032 · Carboxypeptidase contains: · 2011
ABC26IN0853 · Among the following drugs, the anticancer agents is: · DEC 2011
ABC26IN0860 · The correct set of the biologically essential elements is, · DEC 2012
ABC26IN0868 · L-DOPA is used for treatment of · DEC 2013
ABC26IN0870 · If an enzyme fixes N2, in plants by evolving H2, the number of electrons and protons associated with that, respectively are · JUNE 2014
ABC26IN0871 · Ozone present in upper atmosphere protects people on the earth · JUNE 2014
ABC26IN0874 · The extent of pi -electron conjugation in macrocyclic rings of (1) heme, (2) coenzyme B12 and (3) chlorophyll follows the order · DEC 2014
ABC26IN0038 · Under physiological condition, oxygen is binding to deoxyhemoglobin and deoxymyoglobin, the binding curve and its pH dependence… · 2011-2020
ABC26IN0879 · The biological functions of carbonic anhydrase and carboxypeptidase A, respectively, are · JUNE 2015
ABC26IN0882 · The biological functions of cytochrome P450 and myoglobin are, respectively · DEC 2015
ABC26IN0883 · Deoxy-hemocyanin is · DEC 2015
ABC26IN0043 · In human body cis- platin hydrolyzes to diaqua complex and modifies the DNA structure by binding to · 2016
ABC26IN0889 · In human body cis- platinhydrolyzes to diaqua complex and modifies the DNA structure by binding to · JUNE 2016
ABC26IN0892 · From the following transformations, A. Epoxidation of alkene B. Dioldehydrase reaction C. Conversion of… · DEC 2016
ABC26IN0896 · In vitro reaction of an excess of O2 with free heme B in aqueous medium the end product is · JUNE 2017
ABC26IN0901 · The number of inorganic sulfides in cubane like ferredoxin and their removal method, respectively, are · DEC 2017
ABC26IN0905 · The chelate rings made by macrocyclic ligand in vitamin B12 are · DEC 2018
ABC26IN0048 · Consider the following transformation, reactions in the context of co-enzyme B12 (A) 1, 2-Carbon shift (B) Hydration of CO2 (C) Benzene to… · 2019
ABC26IN0915 · During the binding of O2 to myoglobin (consider 'heme' in xy-plane), the molecular orbital of O2 and atomic orbital of Fe involved in the… · DEC 2019
ABC26IN0916 · In the catalytic cycle of Cytochrome P450, the generation of [(porphyrin)+FeIV(O)] from [(porphyrin)FeIII(OOH)] involves · DEC 2019
ABC26IN0053 · In the catalytic cycle of Cytochrome P450, the generation of [(porphyrin)+FeIV(O)] from [(porphyrin)FeIII(OOH)] involves · 2020
Bioinorganic – General
ABC26IN0291 · The metal present at the active site of the protein carboxypeptidase A is · 2005-2021
ABC26IN0552 · The metal ion of an enzyme involved in hydration of CO2 is · 2005-2022
ABC26IN0553 · Low-spin iron(III) centre is present in · 2005-2022
ABC26IN0296 · In biological systems, the metal ions involved in electron transport are · 2005-2021
ABC26IN0557 · The correct option for the metal ion present in the active site of myoglobin, hemocyanin and vitamin B12, respectively, is · 2005-2022
ABC26IN0297 · Among the following pair of metal ions present in Nature, the first one functions as an electrontransfer agent and the second one catalyzes… · 2005-2021
ABC26IN0561 · Among the following, the biomolecule with a direct metal-carbon bond is · 2005-2022 self-practice
ABC26IN0301 · Among the given pH values, the O2 binding efficiency of hemoglobin is maximum at · 2005-2021
ABC26IN0302 · Identify the function of hemocyanin and the metal responsible for it · 2005-2021
ABC26IN0303 · During oxygen transport by hemerythrin, oxygen is bound as · 2005-2021
ABC26IN0304 · At pH 7.2 and 10 Torr oxygen partial pressure, the extent of O2 binding is · 2005-2021
ABC26IN0305 · Amongst the following, the group that is bound to the metal ion in coenzyme B12 is · 2005-2021
ABC26IN0306 · The vO-O resonance Raman stretching frequency (in cm-1) of the O2 coordinated to iron centre in oxyhemoglobin is nearly · 2005-2021
ABC26IN0308 · The coordination geometries around the copper ion of plastocyanin (a blue-copper protein) in oxidized and reduced form, respectively are · 2005-2021 self-practice
ABC26IN0309 · The O2 coordinated to metal ion centres in oxy-myoglobin and oxy-hemocyanin exists, respectively, as · 2005-2021
ABC26IN0313 · Which one of the following is a non-heme protein? · 2005-2021
ABC26IN0314 · The correct statement(s) about the concentration of Na^+ and K^+ ions in animal cells is/are: · 2005-2021 self-practice
Copper Proteins
ABC26IN0863 · The coordination geometry of copper (II) in the type I copper protein plastocyanin is: · JUNE 2013
ABC26IN0866 · Patients suffering from Wilson's disease have · DEC 2013
Iron Sulfur Proteins
ABC26IN0855 · A metal ion that replace manganese (II) ion in mangano-proteins without changing its function, is · DEC 2011
ABC26IN0034 · In the bacterial rubredoxin, the number of iron atoms, sulfur bridges and cysteine ligands are (Fe atom, sulfur bridge, cysteine) · 2011 self-practice
ABC26IN0856 · In the bacterial rubredoxin, the number of iron atoms, sulfur bridges and cysteine ligands are Fe atom Sulfur bridge Cysteine · DEC 2011
ABC26IN0036 · The changes (from A-D given below) which occur when O2 binds to hemerythrin are (A) One iron atoms is oxidized (B) Both the iron atoms are… · 2012
ABC26IN0858 · The changes (from A-D given below) which occur when O2 binds to hemerythrin are (A) One iron atoms is oxidized (B) Both the iron atoms are… · JUNE 2012
ABC26IN0869 · Oxidised form of enzyme catalase (structure A); prepared by the reaction of [Fe(P)]^+ (P = porphyrin) with H2O2 has green color because · DEC 2013
ABC26IN0876 · Identify correct statements for mercury as an environment pollutant. A. Carbanionicbiomethylation converts it to MeHg+ B. Thiol group of… · DEC 2014