The biological sample used for diagnosis of Giardiasis is 1. blood 2. sputum 3. urine 4. stool Introduction Giardiasis is a common intestinal parasitic infection caused by Giardia lamblia, a […]
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DBT BET JRF 2021 Previous Year Questions and Video solution
Why RNA Isolation Requires More Precautions Than DNA Isolation: Key Factors Explained
46. Though DNA and RNA are nucleic acids, isolating RNA in the laboratory requires extreme precautions and pre-preparations than isolating DNA. This could be because: (a) RNA is more prone […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
Understanding the agamous (ag) Mutant in Arabidopsis: Why Stamens and Carpels Are Absent
Which of the following floral whorls are absent in agamous (ag) mutant of Arabidopsis? 1. petals and stamens 2. sepals and petals 3. stamens and carpels 4. sepals and carpels […]
DBT BET JRF 2021 Previous Year Questions and Video solution
What Type of Enzyme is Telomerase? Understanding Its Role in Chromosome Maintenance
45. The Telomerase enzyme is a: (a) DNA–dependent DNA Polymerase , (b) DNA–dependent RNA Polymerase , (c) Reverse Transcriptase , (d) RNA–dependent RNA Polymerase Telomerase Enzyme: A Unique Reverse […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
How Do Base Pairs Stack in the DNA Helix? Understanding the Structure of AT and GC Pairing
In the DNA helix, the GC and AT base pairs 1. stack on top of each other, parallel to the helix axis 2. stack on top of each other, perpendicular […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Understanding the Impact of DNA Base Changes: Which Codon Position Matters Most?
44. The consequences of a DNA base change in a mutation are maximum, if the base change is located in the: (a) First or second position of a codon , […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Selecting Recombinant Clones Using pBR322: Which Antibiotic Plate to Use?
43. A student clones a gene of interest within the ampicillin resistance gene of pBR322 vector for transformant selection, the student will use: (a) Ampicillin plates , (b) Both Ampicillin […]
DBT BET JRF 2020 Previous Year Questions and Video solutions
What Is Hyaluronic Acid Made Of? Understanding Its Mucopolysaccharide Composition
The mucopolysaccharide hyaluronic acid is composed of 1. N-acetyl D-glucosamine only 2. D-glucuronic acid only 3. neither N-acetyl D-glucosamine nor D-glucuronic acid 4. both N-acetyl D-glucosamine and D-glucuronic acid Introduction […]
DBT BET JRF 2021 Previous Year Questions and Video solution
Which Component of an Enveloped Virus Is Not Encoded by the Viral Genome?
42. Which one of the following components of an enveloped virus particle is NOT encoded by the viral genome? (a) Capsid proteins , (b) Envelope lipids , (c) Non- structural […]
DBT BET JRF 2021 Previous Year Questions and Video solution
What Sequence Do Prokaryotic Ribosomes Bind To?
41. Prokaryotic ribosomes bind to which one of the following: (a) Kozak sequence, (b) Ori sequence, (c) Promoter sequence, (d) Shine-Dalgarno sequence, What Sequence Do Prokaryotic Ribosomes Bind To? Protein […]
