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GATE General Biology: Microbiology: History, bacterial classification and diversity, cell wall, Gram positive and negative bacteria, archaea, methods – Previous Year Questions

8 GATE previous year questions on Microbiology: History, bacterial classification and diversity, cell wall, Gram positive and negative bacteria, archaea, methods (General Biology, Biotechnology) with answers and explanations, from every paper.

  1. GATE 2021 BT Q26 (1 mark, Multiple choice) – Which statement about microbial growth medium is correct?
  2. GATE 2022 BT Q17 (1 mark, Multiple choice) – In binomial nomenclature, the name of a bacterial strain is written with the first letter of word(s) being capitalized.
  3. GATE 2023 BT Q37 (2 marks, Multiple choice) – Match the type of bacteria in Group I with their respective growth properties in Group II. Group I Group II --- --- P. Halophile 1. Grows optimally…
  4. GATE 2026 BT Q33 (1 mark, Numerical answer) – To determine the viable cell count of a bacterial culture, you have plated 50 L of a 100-fold diluted sample of the culture on a nutrient agar plate…
  5. GATE 2025 BT Q11 (1 mark, Multiple choice) – Koch's postulate was established by Robert Koch while working on a disease caused by
  6. GATE 2025 BT Q21 (1 mark, Multiple select) – Which of the following features is/are used to distinguish Archaea from Bacteria?
  7. GATE 2024 BT Q15 (1 mark, Multiple choice) – The relationship that involves the exchange of nutrients between two different species for their mutual growth is called .
  8. GATE 2024 BT Q36 (2 marks, Multiple choice) – Match the disease (Column I) with its biological vector (Column II). Column I Column II --- --- P. Chagas disease 1. Tsetse flies Q. Trypanosomiasis…