Q.20 The correct sequence of events during bacteriophage infection of a bacterial cell is(A) landing → attachment → tail contraction → penetration and unplugging → DNAejection(B) attachment → landing → […]
Category: GATE Biotechnology Previous Year Papers with Solutions
Remove term: GATE Biotechnology Previous Year Papers with Solutions GATE Biotechnology Previous Year Papers with Solutions
GATE Biotechnology 2023 Previous Year Papers with Solutions
Leghemoglobin Function
Q.19 Which one of the following statements is TRUE about leghemoglobin?(A) It binds oxygen to protect nitrogenase(B) It binds hemoglobin to protect oxygenase(C) It binds oxygen to protect hydrogenase(D) It […]
GATE Biotechnology 2023 Previous Year Papers with Solutions
B-Cell Development in Bone Marrow
Q.18 Which one of the following is required for the development of B–cells in the bonemarrow?(A) Stromal cells(B) Dendritic cells(C) Kupffer cells(D) NK cells Stromal cells are required for B-cell […]
GATE Biotechnology 2023 Previous Year Papers with Solutions
BATF3 in Dendritic Cell Cross-Presentation
Q.17 Dendritic cells are involved in cross–presentation of antigens. Which of thefollowing protein(s) is(are) required for cross–presentation?P. Basic leucine zipper ATF–like transcription factor 3 (BATF3)Q. Membrane associated ring–CH–type finger 1 […]
GATE Biotechnology 2023 Previous Year Papers with Solutions
Which Drug is NOT an Immune Checkpoint Inhibitor?
Q.16 Which one of the following drugs is NOT an immune checkpoint inhibitor?(A) Ipilimumab(B) Pembrolizumab(C) Nivolumab(D) Trastuzumab Trastuzumab is not an immune checkpoint inhibitor. Ipilimumab, Pembrolizumab, and Nivolumab target immune checkpoints […]
GATE Biotechnology 2023 Previous Year Papers with Solutions
C-Value Paradox Explained
Q.15 C–value paradox refers to(A) the lack of correlation between genome size and genetic complexity of anorganism(B) the presence of genetic sequences that propagate themselves within a genome(C) the coexistence […]
![Q.14 Determine the correctness or otherwise of the following Assertion [a] and the Reason [r]. Assertion [a]: Chromosome mutations can change the structure of chromosomes. Reason [r]: All chromosome mutations arise due to nondisjunction of chromosomes during mitosis or meiosis. (A) Both [a] and [r] are false (B) [a] is true but [r] is false (C) Both [a] and [r] are true and [r] is the correct reason for [a] (D) Both [a] and [r] are true but [r] is not the correct reason for [a]](https://www.letstalkacademy.com/wp-content/uploads/2026/01/slide_14-8.png)
GATE Biotechnology 2023 Previous Year Papers with Solutions
Chromosome Mutations Assertion-Reason
Q.14 Determine the correctness or otherwise of the following Assertion [a] and theReason [r].Assertion [a]: Chromosome mutations can change the structure of chromosomes.Reason [r]: All chromosome mutations arise due to […]
![Q.13 Determine the correctness or otherwise of the following Assertion [a] and the Reason [r]. Assertion [a]: In multicellular organisms, cells of different lineages have different gene expression profiles. Reason [r]: Alternative splicing is the only mechanism to generate protein diversity. (A) Both [a] and [r] are false (B) Both [a] and [r] are true and [r] is the correct reason for [a] (C) Both [a] and [r] are true but [r] is not the correct reason for [a] (D) [a] is true but [r] is false](https://www.letstalkacademy.com/wp-content/uploads/2026/01/slide_13-8.png)
GATE Biotechnology 2023 Previous Year Papers with Solutions
Multicellular Organisms Gene Expression Profiles
Q.13 Determine the correctness or otherwise of the following Assertion [a] and theReason [r].Assertion [a]: In multicellular organisms, cells of different lineages have differentgene expression profiles.Reason [r]: Alternative splicing is […]
GATE Biotechnology 2023 Previous Year Papers with Solutions
Acetylcholine Parasympathetic Nerves Heart Pacemaker Cells
Q.12 Acetylcholine released by the parasympathetic nerves has which one of thefollowing functions in the heart pacemaker cells?(A) It binds to GPCR and activates G protein to slow the heart […]
GATE Biotechnology 2023 Previous Year Papers with Solutions
Eukaryotic Transcription by DNA-Dependent RNA Polymerase
Q.11 Eukaryotic transcription is carried out by(A) DNA–dependent RNA polymerase(B) DNA–dependent DNA polymerase(C) RNA–dependent DNA polymerase(D) RNA–dependent RNA polymerase Eukaryotic transcription is carried out by DNA-dependent RNA polymerase. This process synthesizes […]
