87. Which one among the following is the correct function of leghaemoglobin? A. It sequesters oxygen to facilitate nitrogen fixation B. It protects nitrogenase from 𝐶𝑂2 C. It facilitates the […]
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DBT BET JRF 2022 Previous Year Questions and Video solution
How Shear Force Affects Apparent Viscosity in Bingham Plastics and Pseudoplastic Liquids
86. For Bingham Plastics and pseudo plastic liquids, the apparent viscosity: A. Increases with increase in shear force B. Decreases with increase in shear force C. Remains constant with increase […]
DBT BET JRF 2022 Previous Year Questions and Video solution
What a Low BOD:COD Ratio Reveals About Industrial Wastewater Quality
85. In a water sample collected from an industrial cluster, the ratio of BOD:COD is found to be less than 0.3. Which one of the following may be presumed from […]
DBT BET JRF 2022 Previous Year Questions and Video solution
Processes Not Involved in Hydrocarbon Conversion to Metabolic Intermediates
84. Which one of the following process is NOT used to convert the hydrocarbons present in the organic compounds to central metabolic intermediates? A. Hydration B. Extraction C. Nitroreduction D. […]
DBT BET JRF 2022 Previous Year Questions and Video solution
Understanding Dot Matrix Method in Sequence Alignment: Assertion vs Reason
82. Given below are two statements one is labelled as Assertion A and the other is labelled as Reason R: Assertion A: The dot matrix method of sequence alignment is […]
DBT BET JRF 2022 Previous Year Questions and Video solution
Understanding Protein A and Its Use in IgG Purification
81. Protein A used for the purification of IgG is isolated from: A. Staphylococcus aureus B. Streptomyces lividans C. Streptomyces pyogenes D. Staphylococcus carnosus Introduction: In the world of protein […]
DBT BET JRF 2019 Previous Year Questions and Video solution
Understanding the Molecular Clock Hypothesis: Core Assumption in Evolutionary Biology
199. Which one of the following is a valid assumption regarding the molecular clock hypothesis in evolution? (1) For a given protein sequence, mutations accumulate at a constant rate in […]
DBT BET JRF 2022 Previous Year Questions and Video solution
Understanding Residence Time in a Continuous Stirred Tank Reactor (CSTR)
80. In an ideal Continuous Stirred Tank Reactor (CSTR) at steady state: A. All particles have the same residence time. B. Particles which enter the reactor earlier have a higher […]
DBT BET JRF 2019 Previous Year Questions and Video solution
Key Assumptions of the PAM Matrix in Evolutionary Biology: Understanding What Doesn’t Belong
198. Which one of the following is NOT an assumption of an evolutionary model of the PAM matrix? (1) Probability of a mutation at one position of a sequence is […]
DBT BET JRF 2022 Previous Year Questions and Video solution
Understanding the PAM250 Scoring Matrix: Key Insights
79. Which one of the following is true for PAM250 Scoring Matrix? A. It is used for structural database search. B. It is based on an evolutionary model that predicts […]
