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 […]
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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. […]
DBT BET JRF 2023 Previous Year Questions and Video solutions
What Does Clustering Mean in Gene Expression Analysis via Microarray?
98. Clustering in a gene expression analysis via microarray experiment refers to 1. cluster of probes used to monitor gene expression 2. cluster of cDNAs printed on the array 3. […]
DBT BET JRF 2023 Previous Year Questions and Video solutions
Progesterone-only pills and emergency contraception
115. Why progesterone-only contraceptives are not recommended as emergency (post-coitus) contraceptives? 1. Progesterone-only contraceptives have high failure rates 2. Progesterone acts on the reproductive tract as a whole 3. Progesterone […]
DBT BET JRF 2023 Previous Year Questions and Video solutions
Which Statement About Microalgae Is NOT True?
97. Which of the following is NOT true for microalgae? 1. Microalgae can perform photosynthesis only if the light source is available 2. Respiration by the microalgae continues throughout light […]
