107. Among the following, the feature that does NOT contribute to host tropism in bacterial pathogenesis is 1. Genomic information of pathogen 2. Genomic information of host 3. Body temperature […]
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DBT BET JRF 2023 Previous Year Questions and Video solutions
Understanding Nitrogenase Enzyme and Its Components
106. Nitrogenase is a complex enzyme consisting of MoFe protein and Fe-protein. Which one of the following statements regarding Nitrogenase enzyme is NOT correct? 1. It comprises of Component I […]
DBT BET JRF 2023 Previous Year Questions and Video solutions
Understanding Multiple Sequence Alignment Programs
105. Which of these is NOT a multiple sequence alignment program? 1. T-coffee 2. Clustal W 3. Clustal X 4. BLAST Correct Answer: 4. BLAST Explanation: Multiple sequence alignment […]
DBT BET JRF 2023 Previous Year Questions and Video solutions
Understanding Proto-Oncogenes and Their Role in Cancer
104. What are proto-oncogenes? 1. They are a type of tumor suppressor genes 2. They stall cancer progression 3. They can become oncogenes 4. They have no relation with cancer […]
DBT BET JRF 2023 Previous Year Questions and Video solutions
BLAST Search Programs for Nucleotide and Protein Sequences
103. Which of the following BLAST search program is used to find the putative function of a given nucleotide sequence to search a protein sequence database? 1. BLASTX 2. BLASTP […]
DBT BET JRF 2023 Previous Year Questions and Video solutions
Techniques That Do Not Depend on Nucleic Acid Hybridization
102. Which among the following techniques does NOT depend on nucleic acid hybridization? 1. DNA microarray 2. Chromatin Immunoprecipitation 3. Chromosome painting 4. Southern blotting Correct Answer: 2. Chromatin […]
DBT BET JRF 2023 Previous Year Questions and Video solutions
Understanding CRISPR-Cas9 Technology
101. CRISPR-Cas9 technology is typically used for 1. Genomic Sequencing 2. Gene editing 3. DNA replication 4. Gene Mapping Correct Answer: 2. Gene Editing Explanation: CRISPR-Cas9 is a groundbreaking […]
DBT BET JRF 2023 Previous Year Questions and Video solutions
Which Marker Protein Is NOT Derived from Cnidarians?
100. Which of the following marker proteins is NOT derived from cnidarians? 1. Green fluorescent protein 2. DSRED protein 3. Red fluorescent protein 4. Orange fluorescent protein Correct Answer: […]
DBT BET JRF 2023 Previous Year Questions and Video solutions
What Is Milk of Magnesia Chemically?
99. Chemically, what is milk of magnesia? 1. Calcium hydroxide 2. Magnesium carbonate 3. Magnesium hydroxide 4. Sodium bicarbonate Correct Answer: 3. Magnesium hydroxide Explanation: Milk of magnesia is […]
DBT BET JRF 2023 Previous Year Questions and Video solutions
Batch reactor size calculation for 1 ton/year production
114. A batch reactor produces 25g/L of product. The fermentation time is 4 days and 1 day extra is required as downtime for cleaning, sterilization and setting up the reactor. […]
