In a plants , the cell adjacent to the egg cell in an ovule are known as 1. synergids 2. antipodals 3. polar nuclei 4. sperm cell Introduction In the […]
Blog
DBT BET JRF 2021 Previous Year Questions and Video solution
Understanding the Origin of Lateral Roots in Plants
66. Lateral roots initiate from: (a) Endodermis (b) Pericycle (c) Root apical meristem (d) Root epidermis Where Do Lateral Roots Originate in Plants? In plant development, the initiation of lateral […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
What is the BLOSUM Matrix and How is it Used for Protein Sequence Alignment?
BLOSUM matrix is used for 1. homology modelling 2. alignment of protein sequence 3. surface electrostatics 4. DNA homology Introduction In the world of bioinformatics, aligning protein sequences is a […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Role of Vir D1 and D2 Proteins in T-DNA Processing in Agrobacterium
65. The T-DNA of Agrobacterium must be cut out from its circular plasmid for its transferinto plant cells. Which one of the following Vir proteins are involved in this process? […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Overexpression of GA2-Oxidase Gene in Wheat Results in Dwarf Phenotype
64. The GA2-oxidase gene from bean is overexpressed in a wheat plant by geneticengineering. Which one of the following phenotypes correctly describes the resultanttransgenic plant? (a) The height of the […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
Why Proline Disrupts the Alpha-Helix Structure in Proteins
Which of the following amino acids is most likely to disrupt an 𝜶 − 𝒉𝒆𝒍𝒊𝒙? 1. proline 2. valine 3. lysine 4. arginine Introduction The α-helix is a common […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Callose: The Polysaccharide Induced During Plant Pathogen Attack
63. Which one of these polysaccharides is induced after a pathogen or microbial attack? (a) Arabinoxylan (b) Callose (c) Cellulose (d) Pectin Callose: A Key Defense Polysaccharide in Plants When […]
DBT BET JRF 2019 Previous Year Questions and Video solution
Engineering Virus Resistance in Plants: Why Coat Protein Is the Key Target
103. For engineering virus resistance in plants, which one of the following viral components is commonly targeted? (1) coat protein (2) replication protein (3) satellite RNA (4) movement protein 🌿 […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
Understanding the Role of Histones in Nucleosomes: Which Histone Is Not Part of the Core?
Which histone is NOT a part of the nucleosomes? 1. H2B 2. H2A 3. H3 4. H1 Introduction Histones are fundamental to the structure of DNA within the cell. […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Understanding Anti-Herbivore Defense in Plants: Role of Alkaloids
62. Which one of the following classes of compounds is generally accumulated as an antiherbivore response in plants? (a) Alkaloids (b) Glucose (c) Sucrose (d) Tannins Understanding Anti-Herbivore Compounds in […]
