117. Which one of the following is the drug of choice for sexually transmitted disease caused by Chlamydia trachomatis? 1. Ampicillin 2. Azithromycin 3. Ciprofloxacin 4. Metronidazole Explanation: Chlamydia trachomatis […]
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What Is Erythroblastosis Fetalis? Understanding Hemolytic Disease of the Newborn
96. Hemolytic disease of the newborn develops when maternal 𝐼𝑔𝐺 antibodies specific for fetal bloodgroup antigens cross the placenta and destroy fetal red blood cells. The disease is called 1. […]
DBT BET JRF 2023 Previous Year Questions and Video solutions
Understanding Chemostat Culture Dynamics: Key Concepts and Misconceptions
95. For a chemostat culture operating under steady state, which of the following statements is NOT true? 1. At a dilution rate equal to maximum specific growth rate, the culture […]
DBT BET JRF 2023 Previous Year Questions and Video solutions
Solvent Flow Rate Calculation in Single-Stage Continuous Extraction
94. In a single stage continuous extraction system, solvent is added to cell-free culture filtrate containing the product. If the partition coefficient of the product is 5, then to extract […]
DBT BET JRF 2023 Previous Year Questions and Video solutions
Matching Cytokines with Their Immune Functions
119. Match List I with List II LIST I […]
DBT BET JRF 2023 Previous Year Questions and Video solutions
What Is the BLOSUM Scoring Matrix Used For?
93. BLOSUM scoring matrix is used for 1. alignment of DNA sequences only 2. alignment of DNA and protein sequences only 3. alignment of protein sequences only 4. homology modelling […]
DBT BET JRF 2023 Previous Year Questions and Video solutions
How to Calculate Del Factor in Sterilization of Fermentation Media
92. 1000 𝑑𝑚3 of fermentation medium containing 1 × 104 Bacillus thuringenesis cells per 𝑐𝑚3 is sterilized to achieve probability of contamination of 1 in 1000. Calculate the Del factor. […]
DBT BET JRF 2023 Previous Year Questions and Video solutions
Impact of Blocking Myosin I and Myosin II on Cellular Functions
120. Which of the following will generally NOT occur if the function of myosin I and myosin II is blocked? 1. Apoptosis 2. Cell crawling 3. Phagocytosis 4. Vesicle transport […]
DBT BET JRF 2023 Previous Year Questions and Video solutions
Understanding the Function of Sieve Tubes in Plants
121. The function of sieve tube in plants includes transmission of A. Chemical signals B. mRNAs C. electrical signals D. spheroplasts 1. b. c and d only 2. a, b […]
DBT BET JRF 2023 Previous Year Questions and Video solutions
Understanding Threading in Protein Structure Prediction
122. Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Assertion A: Threading is a de novo protein structure prediction […]
