53. E class homeotic genes in Arabidopsis thaliana are involved in the formation of: (a) Floral meristem (b) Petals and carpels (c) Sepals & petals (d) Shoot apical meristem Introduction […]
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DBT BET JRF 2020 Previous Year Questions and Video solutions
What Are Embryonic Stem Cells and Why Are They Pluripotent?
Embryonic stem cells are 1. unipotent 2. totipotent 3. pluripotent 4. differentiated Introduction Embryonic stem cells (ESCs) have revolutionized the field of developmental biology and regenerative medicine due to their […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Exploring the Similar Functions of Cryptochrome, Phytochrome, and Other Light-Responsive Proteins
52. Which one of the following combinations signify similar function? (a) Cryptochrome and flurochrome (b) Cryptochrome and phytochrome (c) Cytochrome and cryptochrome (d) Fluorochrome and cytochrome Introduction Light is a […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
Plasmodium knowlesi: The Emerging Cause of Monkey Malaria in Humans
The malarial parasite that has caused recent outbreaks of Monkey malaria in humans is 1. Plasmodium berghei 2. Plasmodium vivax 3. Plasmodium knowlesi 4. Plasmodium malariae Introduction In recent years, […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Key Differences Between Oxidative Phosphorylation and Photophosphorylation
51. Which one of the following statements is NOT common between oxidativephosphorylation and photophosphorylation? (a) Generation of ATP (b) Involvement of a kinase (c) Involvement of electron transport (d) Involvement […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Understanding Nucleases: The Role of DNase I
50. Which one among the following is a nuclease? (a) DNase I (b) Helicase (c) Ligase (d) Polymerase What is a Nuclease? A nuclease is an enzyme responsible for cleaving […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
How Covalent Bonds Stabilize the Primary Structure of Proteins
The primary structure of a protein is stabilized by 1. the angle formed between plane ABD and plane ACD 2. covalent bond 3. ionic bond 4. hydrogen bonds Introduction […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Mechanism Behind Acidic pH Maintenance in the Lysosomal Lumen
49. Lysosomal lumen is maintained at an acidic pH by: (a) de novo generation of H+ ions in the lysosomes (b) H+ ATPase that pumps H+ ions into lysosomes (c) […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Understanding the Impact of Ionizing Radiation on DNA: Assertion and Reason Analysis
48. Given below are two statements: one is labelled as Assertion A and the other is labelledas Reason R. Assertion A: Ionizing radiation can cause damage to the DNA Reason […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Understanding Type IIP Restriction Endonucleases and Their Characteristics
47. Type IIP restriction endonucleases will always: (a) Bind to double strand RNA (b) Cleave outside the recognition sequence (c) Generate blunt ends (d) Recognize palindromic sequence What Are Type […]
