GATE General Biology: Microbiology: Microbial diseases, host-pathogen interactions, antibiotics and resistance, two-component system, bacterial communication, viruses – Previous Year Questions

11 GATE previous year questions on Microbiology: Microbial diseases, host-pathogen interactions, antibiotics and resistance, two-component system, bacterial communication, viruses (General Biology, Biotechnology) with answers and explanations, from every paper.

1. GATE 2021 BT Q11 (1 mark, Multiple choice) – Coronavirus genome consists of
2. GATE 2021 BT Q46 (2 marks, Multiple select) – Which antimicrobial agents are growth-factor analogs?
3. GATE 2021 BT Q50 (2 marks, Numerical answer) – 0.1 mL phage stock at 4109 phages/mL is added to 0.5 mL E. coli at 2108 cells/mL. Multiplicity of infection is .
4. GATE 2022 BT Q18 (1 mark, Multiple choice) – The type of nucleic acid present in λ−phage is
5. GATE 2022 BT Q52 (2 marks, Multiple select) – Emerging viruses such as SARS-CoV2 cause epidemics. Which of the following process(es) contribute to the rise of such viruses?
6. GATE 2023 BT Q20 (1 mark, Multiple choice) – The correct sequence of events during bacteriophage infection of a bacterial cell is
7. GATE 2023 BT Q38 (2 marks, Multiple choice) – Match the virus in Group I with the type of genome it contains in Group II. Group I Group II --- --- P. T4 bacteriophage 1. dsRNA Q. SARS-CoV-2 2.…
8. GATE 2023 BT Q42 (2 marks, Multiple select) – Which of the following statement(s) is(are) TRUE about fluoroquinolone drugs?
9. GATE 2026 BT Q20 (1 mark, Multiple choice) – Which one of the following antibiotics blocks protein chain elongation by preventing the action of peptidyl transferase?
10. GATE 2025 BT Q12 (1 mark, Multiple choice) – Corynebacterium diphtheriae causes diphtheria in humans, only when this bacterium is infected by
11. GATE 2024 BT Q21 (1 mark, Multiple choice) – Which one of the following bacteriophages has a genome composed of single stranded circular DNA?