162. A chimeric organism is generated when: (1) Cells of different genetic constitution appear in the same organism (2) Union of two different genomes occur within a cell (3) A […]
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DBT BET JRF 2021 Previous Year Questions and Video solution
Exploring Marine Enzymes: Sources and Applications
141. Match the components of List I with List II. List I (Marine Enzymes) […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
Understanding Sequence-Specific Recognition of DNA by Proteins: The Role of DNA Grooves
Sequence-specific recognition of DNA by proteins occurs primarily through the 1. major groove 2. minor groove 3. Histones 4. polyphosphate backbone Detailed Explanation: Correct Answer: 1. Major groove What is […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Understanding Symbiotic Relationships in Plants: Nitrogen-Fixing Bacteria
140. Match the components of List I with List II. List I […]
DBT BET JRF 2019 Previous Year Questions and Video solution
Understanding Ig Class-Specific Antigenic Determinants: Isotypic, Allotypic, and Idiotypic
160. Ig class specific antigenic determinants are known as: (1) Allotypic determinants (2) Isotypic determinants (3) Idiotypic determinants (4) Gm determinants Ig Class-Specific Antigenic Determinants Antigenic determinants are regions on […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
Understanding Cybrids: The Fusion of Cytoplasm and Their Role in Research
‘Cybrids’ are produced by 1. in vitro fusion of cytoplasm 2. in vitro fusion of gametes 3. fusion of plastids 4. fusion of nuclear genomes Detailed Explanation: Correct Answer: 1. […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Nitrification in the Nitrogen Cycle: Understanding the Process
139. Nitrification during nitrogen cycle is the production of: (a) Ammonium, (b) Nitrates, (c) Nitric oxide, (d) Nitrogen Understanding Nitrification in the Nitrogen Cycle The nitrogen cycle is a vital […]
DBT BET JRF 2019 Previous Year Questions and Video solution
Understanding Secondary Immune Response to Haptens and Carrier Immunization
159. Secondary immune response to a hapten depends on the: (1) Hapten immunization alone (2) Carrier immunization alone (3) Both hapten and carrier used in the primary immunization (4) Hapten […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
Cellular Sites for Protein Glycosylation: Endoplasmic Reticulum and Golgi Body
What are the cellular sites for protein glycosylation? 1. endoplasmic reticulum and golgi body 2. endoplasmic reticulum and lysosomes 3. mitochondria and lysosomes 4. endoplasmic reticulum and mitochondria Detailed Explanation: […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Suitable Methods for Treating Municipal Waste Water and Aqueous Hazardous Waste with Low Suspended Solids
138. The suitable method for treatment of municipal waste water and aqueous hazardouswaste, which have less than 1% of suspended solids is: (a) Activated sludge process , (b) Bioreactors, (c) […]
