92. Match the components of List I with List II List I […]
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DBT BET JRF 2019 Previous Year Questions and Video solution
Which Protein Contains Molybdenum-Iron (Mo-Fe)? Understanding Nitrogenase Function
117. Which one of the following is a Mo-Fe containing protein? (1) Nitrate reductase (2) Nitrogenase (3) Nitrite reductase (4) Leghemoglobin Detailed Explanation: Question:Which one of the following is a […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Understanding Gene Sequence Alignment: Identity Matrices vs Substitution Matrices
91. Given below are two statements: one is labelled as Assertion A and the other is labelledas Reason R Assertion A: Gene Sequences are aligned using identity matrices instead of […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
Understanding Prenatal Procedures and Their Risks to Unborn Children
Which of these procedures poses the least risk to an unborn child? 1. embryoscopy&fetoscopy 2. amniocentesis 3. alpha-feto protein sampling 4. chronic villi sampling Introduction Pregnancy is a time […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
Understanding Amino Acids with Negatively Charged Side Chains
Two amino acids with negatively charged side chains are 1. aspartic acid and glycine 2. aspartic acid and lysine 3. lysine and glutamic acid 4. aspartic acid and glutamic acid […]
DBT BET JRF 2019 Previous Year Questions and Video solution
Understanding Water Uptake in Plants: Apoplastic and Symplastic Transport Mechanisms
116. Plants take up water from the soil predominantly by the apoplastic and symplastic modes of transport. Which one of the following statements is true? (1) Apoplastic transport is ATP-dependent, […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Impact of Doubling Substrate Concentration in a CSTR on Biomass and Substrate Levels
79. Doubling the substrate concentration in the inlet of a CSTR (with cells following Monodgrowth kinetics) will, after reaching the new steady state, lead to: (a) Higher biomass concentration but […]
DBT BET JRF 2019 Previous Year Questions and Video solution
Understanding the Role of Fusicoccin in Cotyledon Growth
115. Fusicoccin promotes cotyledon growth by promoting: (1) cell division (2)cell wall biosynthesis (3) tonoplast acidification (4) cell wall acidification Detailed Explanation: Question:Fusicoccin promotes cotyledon growth by promoting: ✅ Correct […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Understanding the Relationship Between Ethanol Yield and Biomass Yield in Anaerobic Fermentation
78. In an anaerobic fermentation producing ethanol, the ethanol yield (Yp/s) – (a) Decreases with increasing biomass yield (Yx/s) (b) Increases with increasing biomass yield (Yx/s) (c) Initially increases & […]
DBT BET JRF 2019 Previous Year Questions and Video solution
Understanding Light Compensation Point in Photosynthesis
114. Light compensation point is the irradiance at which: (1) net photosynthetic photon flux is zero. (2) there is no photosynthesis. (3) net CO2 exchange is zero. (4) quantum yield […]
