Tag: DBT JRF PYQ-2022

149. What will be the molecular weight of the tri-peptide Trp-Gly-His? Molecular weights of Trp, Gly, and His are 204.2, 75.07, and 155.2 respectively. A. 434.47 B. 300.00 C. 398.47 […]

148. Given below are two statements: Statement I: RNA secondary structure is composed primarily of double-stranded RNA regions formed by folding of the single-stranded molecule back on itself. Statement II: […]

147. Sleep loss may induce: A. increased learning ability and increased body weight. B. increased memory loss and reduced infection. C. increased memory retention, increased infection and reduced cognitive ability. […]

146. Skotomorphogenesis is characterized by: A. Small and closed cotyledons and elongated hypocotyl B. Fully open cotyledons C. Robust foliage and root growth D. Early flowering resulting from short-day conditions […]

145. In a metabolic engineering experiment the flux from primary carbon metabolism was diverted towards methylerythritol phosphate (MEP) pathway. Which one of the following class of secondary carbon compounds do […]

144. Nod gene products: A. function as receptors of certain flavonoids B. lack the ability to activate the expression of other Nod factors C. cause activation of homeobox genes D. […]

143. Given below are two statements: Statement I: Fungi are important degraders of polymers and are used in the composting and biodegradation of toxic organic substances. Statement II: Fungi are […]

142. miRNAs are major regulators of gene expression. In an experiment, it was observed that gene ‘X’ is a direct target of miRNA ‘A’. Upon overexpression of miRNA ‘A’ in […]

141. Penicillin titers have been increased more than 1000 fold by classical mutagenesis from the original Fleming strain. The reason behind this increase in the titer is: A. Increase in […]

140. Which one of the following is NOT a major checkpoint in the cell division cycle of eukaryotic cell? A. Beginning of S-phase B. Transition from S to G2 phase […]