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Q.31 Which one of the following restriction endonucleases is a blunt cutter?(A) BamHI(B) EcoRI(C) HindIII(D) EcoRV EcoRV is the blunt cutter among the given options. Question Breakdown Restriction endonucleases cut […]

Q.30 Which one of the following methods separates biomolecules based on theirhydrodynamic volumes?(A) Anion–exchange chromatography(B) Cation–exchange chromatography(C) Size–exclusion chromatography(D) Thin–layer chromatography Size-exclusion chromatography separates biomolecules based on their hydrodynamic volumes, […]

Q.29 Which one of the following molecules captures CO2 in the C4 cycle?(A) 1,3–Bisphosphoglycerate(B) Oxaloacetate(C) Phosphoenolpyruvate(D) Ribulose–1,5–bisphosphate Phosphoenolpyruvate (PEP) captures CO2 in the C4 cycle through carboxylation by PEP carboxylase […]

Q.28 Zinc is essential for the function of(A) carboxypeptidase A.(B) chlorophyll a.(C) myoglobin.(D) vitamin B12. Zinc serves as an essential cofactor for carboxypeptidase A, a key metalloenzyme involved in peptide […]

Q. 27 The standard potentials (𝐸0) for the Fe3+/Fe and Fe3+/Fe2+ couples are −0.04 Vand +0.76 V, respectively.Given: Faraday constant = 96500 C mol–1.The value for 𝐸0(Fe2+/Fe), in V, is […]

Q. 26 A non–volatile solute has a molecular weight of 180 g mol–1. Assume that the solutedoes not associate or dissociate in water, and the boiling–point constant(ebullioscopic constant) of water […]

Q. 25 Energy of the transition from 𝑛ℎ = 4 to 𝑛𝑙 = 2 for hydrogen atom is E × 103 cm–1.Given: Rydberg constant for hydrogen: 1.097 x 107 𝑚−1.Value […]

Q. 24 The CORRECT statement(s) regarding biomolecules is(are)(A) The N–terminal amino acid of a polypeptide can be identified by Edman’s reagent(phenyl isothiocyanate).(B) L–Threonine has only one chiral center.(C) Cytosine is […]

Q. 23 Addition of a few drops of concentrated HCl to an aqueous solution of CoCl2forms a dark blue complex X.The CORRECT statement(s) for this reaction is(are)(Given: Atomic number of […]

Q. 22 The CORRECT statement(s) for the given reactions is(are)(A) P is formed as the major product in reaction I.(B) P is formed as the major product in reaction II.(C) […]