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 […]
Tag: dbt jrf pyq
No posts found.
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 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 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 2021 Previous Year Questions and Video solution
Understanding the Impact of Feed Rate and Impeller RPM on DO Levels in Fed-Batch Culture
77. In a fed batch culture the feed rate of concentrated substrate is increased with timewhile the RPM of the impeller is kept constant. You will most likely observe one […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
Understanding the Two Film Theory of Mass Transfer and Its Role in Fluid Dynamics
Two film theory of mass transfer considers 1. variable resistance at the interface 2. maximum resistance at the interface 3. 50 % resistance at the interface 4. negligible resistance at […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Understanding Reactor Scaling and Impeller RPM in Bioreactor Design
76. Scaling up a reactor while keeping the power consumption per unit volume constant will lead to: (a) Decrease in RPM of the impeller of the larger reactor (b) Holding […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
Understanding Toll-Like Receptors in Innate Immunity: How the Body Recognizes Pathogens
The Innate immune system recognizes Pathogen Associated Molecular Patterns (PAMPs) through activation of 1. B cell recpetors 2. Fc recpeptor 3. Toll-like receptor 4. T cell receptor Introduction The innate […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Understanding Filtrate Flow Rate Decline in Plate & Frame Filters Under Constant Pressure
75. Given below are two statements: one is labelled as Assertion A and the other is labelledas Reason R Assertion A: In a plate & frame filter operated under constant […]
