113. Which of the following statements is NOT true for penicillin production using Penicillium notatum? 1. Penicillin is a secondary metabolite 2. Penicillin is recovered from the fermented broth by […]
Tag: DBT JRF PYQ-2023
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DBT BET JRF 2023 Previous Year Questions and Video solutions
Understanding CpG Islands and Their Role in Gene Expression
112. Given below are two statements: Statement I: CpG islands are sequences present in eukaryotic DNA. Statement II: Promoter regions of many expressed genes in eukaryotes are generally enriched in […]
DBT BET JRF 2023 Previous Year Questions and Video solutions
The Role of RecA Protein in Genetic Processes
110. The RecA protein is involved in 1. Transposition 2. Recombination 3. Replication 4. Transcription Question: The RecA protein is involved in: Transposition Recombination Replication Transcription Correct Answer: 2. Recombination […]
DBT BET JRF 2023 Previous Year Questions and Video solutions
Megakaryocytes and Their Role in Platelet Production
109. Megakaryocytes are the major source of 1. Erythrocytes 2. Monocytes 3. Macrophages 4. Platelets Question: Megakaryocytes are the major source of: Erythrocytes Monocytes Macrophages Platelets Correct Answer: 4. Platelets […]
DBT BET JRF 2023 Previous Year Questions and Video solutions
Most Common Side Effect of Beta-Lactam Antibiotics
108. Which is the most common side effect of beta-lactam antibiotics? 1. Allergic reaction 2. Yellowing of teeth 3. Headache 4. Hearing loss Question: Which is the most common side […]
DBT BET JRF 2023 Previous Year Questions and Video solutions
Understanding Host Tropism in Bacterial Pathogenesis
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 […]
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 […]
