167. Which one of the following conditions eliminates the possibility of horizontal gene transfer from a transgenic plant? 1. Single copy nuclear events 2. Multicopy nuclear events 3. Plastid transformation […]
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DBT BET JRF 2022 Previous Year Questions and Video solution
Determining the ∆G of Protein Unfolding in 8 M Urea
198. A protein completely unfolds in 8 M Urea. The stability of the folded state in water is calculated to be 8 kcal/mole at 25°𝐶. What is the likely ∆𝐺 […]
DBT BET JRF 2018 Previous Year Questions and Video solution
Criteria for a DNA Fragment to Function as a Sequence Tagged Site (STS) Marker
166. Any DNA fragment can be used as a STS marker provided it fulfills one of the following conditions: 1. Multilocus nature 2. Single copy 3. Present in repeat regions […]
DBT BET JRF 2022 Previous Year Questions and Video solution
Commercial Production of Citric Acid via Aspergillus niger Fermentation
197. Commercial production of citric acid is done by fermentation using: A. Aspergillus niger B. Clostridium butyricum C. Saccharomyces cerevisiae D. Lactobacillus acidophilus Explanation: Citric acid is an important organic […]
DBT BET JRF 2018 Previous Year Questions and Video solution
Regulatory Role of CLAVATA and WUSCHEL Genes in Shoot Apical Meristem Maintenance in Arabidopsis
165. In CLAVATA (clv) mutant of Arabidopsis, Shoot Apical Meristem (SAM) size and expression of WUSCHEL (WUS) is increased. SAM size is reduced in wus mutant plants. Choose the correct […]
DBT BET JRF 2022 Previous Year Questions and Video solution
Latency in Herpes Virus: A Key Characteristic
196. Latency is a characteristic of which one of the following viruses? A. Herpes virus B. Polio virus C. Rhino virus D. Influenza virus Explanation: Latency refers to a phase […]
DBT BET JRF 2018 Previous Year Questions and Video solution
Role of DELLA and GID1 Proteins in Gibberellic Acid (GA) Signal Transduction in Plants
164. Which one of the following statements is correct during gibberellic acid (GA) signal transduction in plants? 1. DELLA protein stimulates GA response 2. GID1 does not make complex with […]
DBT BET JRF 2022 Previous Year Questions and Video solution
Best Genomic Regions for DNA Barcoding in Species Identification
195. Which regions of the genome are best suited for generating DNA Barcodes for species identification? A. Organellar genes B. Ribosomal genes C. Histone genes D. Non coding regions of […]
DBT BET JRF 2018 Previous Year Questions and Video solution
Constitutive Activation of MKK4 in Arabidopsis: Implications for Ethylene Biosynthesis
163. The bacterial flagellin activates a typical MAPK cascade consisting of MEKK1-MKK4-MPK6 leading to the activation of ACS6 enzyme involved in ethylene biosynthesis in plants. Which one of the following […]
DBT BET JRF 2022 Previous Year Questions and Video solution
Which Angle Defines the Trans-Conformation of an Amide Bond?
194. Amide bonds between two amino acids (as shown below) are generally in trans-conformation. The atoms are labeled as A1 through A6. The angle measured for defining the trans-conformation of […]
