125. Gynogenesis in fishes is achieved by: 1. Heat shock treatment at 42°C for 5 min after normal fertilization. 2. Cold shock treatment at 5°C for 10 min after normal […]
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DBT BET JRF 2022 Previous Year Questions and Video solution
Identifying Transmembrane Proteins Based on Their Sequence Patterns
165. A protein sequence has twenty consecutive hydrophobic amino acids followed by a few hydrophilic residues and this pattern repeats itself five to seven times. Which kind of a protein […]
DBT BET JRF 2018 Previous Year Questions and Video solution
What Are Ocean Dead Zones? Causes, Effects, and Ecological Impact
124. Dead zones in oceans refer to: 1. Mariana trench, the deepest part of ocean where living organisms have not been found. 2. hydrothermal vents that have extreme temperatures. 3. […]
DBT BET JRF 2022 Previous Year Questions and Video solution
Understanding Atomic Vectors in Data Representation
164. Which one of the following can be considered as an Atomic Vector? A. Your name B. Your thoughts C. Your marks in all subjects D. Your list of friends […]
DBT BET JRF 2018 Previous Year Questions and Video solution
Understanding Pelagic Zones and Their Depths in Oceanography
123. From the table below, match the pellagic zones with their respective depths and choose the correct option: 1. I-x; II-w; III-y; IV-z 2. I-w; II-x; III-z; IV-y 3. I-z; […]
DBT BET JRF 2022 Previous Year Questions and Video solution
Understanding the Energy Landscape in Reactions: Determining Reaction Rates
163. The energy landscape or the energy of a reaction: 𝐴 ↔ 𝐵 Along its reaction coordinate follows the following pattern: Which one of the following statements are true? A. […]
DBT BET JRF 2018 Previous Year Questions and Video solution
Culturing Perna viridis (Green Mussel): Best Method and Aquaculture Practices
122. Which one of the following is used for culturing Pernaviridis? 1. Raft culture with hanging ropes. 2. Offshore cages and Pens. 3. Irrigated or flow through tanks. 4. Multitrophicrecirculatory […]
DBT BET JRF 2022 Previous Year Questions and Video solution
Drug of Choice for Treating Urethritis and Cervicitis Caused by Chlamydia trachomatis
162. Which one of the following is the drug of choice for sexually transmitted diseases urethritis and cervicitis caused by Chlamydia trachomatis? A. Ampicillin B. Ciprofloxacin C. Rifampin D. Azithromycin […]
DBT BET JRF 2018 Previous Year Questions and Video solution
Role of β-Glucans in Aquaculture: Natural Immunostimulants for Disease Resistance
121. β- Glucans protect aquaculture organisms from various pathogenic strains because they: 1. resemble aminoglycoside antibiotics and cause misreading of pathogenic mRNA. 2. enhance immune response and promote growth of […]
DBT BET JRF 2022 Previous Year Questions and Video solution
The Role of Glial Cells in the Brain: Functions and Key Responsibilities
161. Which one of the following is NOT a function of the glial cells in the brain? A. Transporting neurotransmitter vesicles from soma to terminal. B. Directing axons to their […]
