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 […]
Blog
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 2019 Previous Year Questions and Video solution
Understanding Dichogamy: The Phenomenon of Temporal Separation in Plant Reproduction
113. ‘Dichogamy’ refers to a phenomenon in which anther dehiscence and stigma receptivity are: (1) temporally separated (2) spatially separated (3) temporally coinciding (4) spatially coinciding Detailed Explanation: Question:‘Dichogamy’ refers […]
DBT BET JRF 2019 Previous Year Questions and Video solution
Exploring Plants That Exhibit Both C3 and C4 Pathways
112. Which one of the following plants exhibits both C3 and C4 pathways? (1) Zea mays (2) Oryzasativa (3) Mesembryanthemumcrystallinum (4) Arabidopsis thaliana Detailed Explanation: Question:Which one of the following […]
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 2019 Previous Year Questions and Video solution
Understanding Co-Suppression: The Key to Plant Gene Silencing
111. The term ‘co-suppression’ was coined by Richard Jorgensen to explain: (1) Patchy flower colour in petunia. (2) Resistance to viral infection in tobacco. (3) Production of white flowers in […]
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 […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
Techniques for Determining the Three-Dimensional Structure of Proteins
The method utilized to determine the three dimentional structure of proteins are 1. Cyro-Electron Microscopy 2. X-ray Crystallography 3. all the given options 4. Nuclear Magnetic Resonance Introduction Understanding the […]
DBT BET JRF 2019 Previous Year Questions and Video solution
Understanding the Oxidative Photosynthetic Carbon Cycle: The Role of C2 Carbon Salvage
110. The oxidative photosynthetic carbon cycle salvages: (1) C3 carbon (2) C4 carbon (3)CO2 (4) C2 carbon Detailed Explanation: Question:The oxidative photosynthetic carbon cycle salvages: ✅ Correct Answer: (4) C2 […]
