Which is the correct arrangement of the polarity of solvents? 1. Water>DMSO>DME>THE 2. Water < DMSO > DMF DMSO < DMF >CH3CN 4. Water DMSO >DMF >CH3CN Detailed Explanation:Correct […]
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DBT BET JRF 2019 Previous Year Questions and Video solution
Understanding BOD/COD Ratio in Treated Effluent: A Case Study on Activated Sludge Bioreactor Efficiency
177. A wastewater has BOD of 1500 mg/L and COD of 2400 mg/L. Assuming 80% treatment efficiency in an activated sludge bioreactor, the BOD/COD ratio of treated effluent will be: […]
DBT BET JRF 2022 Previous Year Questions and Video solution
Understanding Thermoregulation: The Role of the Hypothalamus in Sweating and Blood Vessel Dilation
61. Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Assertion A: Heating of preoptic anterior hypothalamic area of the […]
DBT BET JRF 2022 Previous Year Questions and Video solution
Understanding Mycoplasma and Gram Staining: Exploring the Relationship
60. Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Assertion A: Mycoplasma is a bacteria without cell wall, and […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
Understanding Techniques for Gene Location on Chromosomes: In-Situ Hybridization
The technique used to locate specific genes in chromosomes 1. colony hybridization 2. dot blot technique 3. in-situ hybridization 4. western blotting Detailed Explanation:Correct Answer:3. In-Situ Hybridization What Is the […]
DBT BET JRF 2019 Previous Year Questions and Video solution
Title: Aerobic Oxidation of Starch-Rich Wastewater: Understanding the End Products
176. A starch containing wastewater sample with high BOD, CaCl2 and NH4NO3 was subjected to aerobic oxidation using a designed bacterial consortium. The oxidised product(s) will have: (1) Cl2, N2, […]
DBT BET JRF 2022 Previous Year Questions and Video solution
Immunoglobulins Involved in Type 1 Allergic Reactions: A Detailed Explanation
58. Which one of the following Immunoglobulins cause type 1 allergic reaction? A. IgG B. IgM C. IgE D. IgA Introduction: Immunoglobulins Involved in Type 1 Allergic Reactions Type 1 […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
Understanding Protein Structures: Which of These Does Not Have a Quaternary Structure?
Which of the following does not have a quaternary structure? 1. collagen 2. RNA polymerase 3. haemoglobin 4. myoglobin Detailed Explanation:Correct Answer:4. Myoglobin What Is Quaternary Structure in Proteins? […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
Exploring Biopesticides: What They Are and Which Ones Are Not Used
Which of the following is NOT used as a biopesticide? 1. Nuclear Polyhedrosis Virus 2. Bacillus thuringiensis 3. Trichoderma harzianum 4. Xanthomonascampestris Detailed Explanation:Correct Answer:4. Xanthomonas campestris What Are […]
DBT BET JRF 2022 Previous Year Questions and Video solution
How to Reduce Maximum Shear Rate in a Reactor Without Changing Power Consumption
57. You wish to reduce the maximum shear rate in your reactor (given by impeller tip speed), without changing the power consumption (agitator power). For this, you will: A. Increase […]
