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Q.59 Given below are two statements : Statement I : Major Histocompatibility Complex (MHC) is present on the cell surface of T-cells for antigen recognition. Statement II : During organ […]

Q.58 Given below are two statements : Statement I : The peptide bond Ca-C-N-Ca present in proteins is rigid and planar. Statement II : Proteins are highly dynamic and undergo […]

Q.57 Given below are two statements : Statement I: In all naturally occurring 20 amino acids, both carboxyl and amino groups are bonded to the a- carbon. Statement II : […]

Q.56 Given below are two statements : Statement I: Phototrophs and chemotrophs derive their energy from sunlight and chemical fuels. respectively. Statement II : Phototrophs and chemotrophs cannot be autotrophs […]

Q.55 Given below are two statements: Statement I: Cooperativity in receptor-ligand interaction causes large change in receptor activation with small change in ligand concentration. Statement II: In amplification, the enzyme […]

Q.54 Hydrophobic nature of amino acids affects the tertiary structure of proteins. Which of the following option shows the given amino acids in decreasing order of their hydrophobic character? A. […]

Q.53 DNA cloning is an essential tool in recombinant DNA technology. Arrange the different steps of DNA cloning in proper sequential order. A. Restriction digestion of the insert and plasmid. […]

Q.52 Reverse transcriptase is used for synthesizing cDNA from RNA. Which of the following option represents the correct order of the given steps? A. Annealing of the oligo dT primer […]

Q.51 Nucleotides, Nucleosides, purines and pyrimidines are the building blocks of DNA and RNA. Based on their molecular weight, arrange these molecules in an ascending order. A. Purine B. Nucleotide […]

Q.50 In analogy with central dogma of biology, how will you arrange the following omics in a correct sequence: A. Metabolomics B. Proteomics C. Genomics D. Transcriptomics E. Phenotype or […]