List of top Microbiology Questions asked in GATE Life Sciences

Which of the following plant natural products is/are cyanogenic glycoside(s)?
Which of the following plant natural products is/are cyanogenic glycoside(s)?
Which of the following statements is/ are correct regarding food and water borne disease and the class of causative microorganisms?
Which of the following is/are TRUE about the Escherichia coli chromosome?
Which of the following is/are consequence(s) of nitrous acid (HNO2) mediated deamination?
In which of following processes, glutaraldehyde is used as a sterilizing agent
Which one of the following redox couples has the highest tendency to donate electrons?
The most abundant class of immunoglobulins in serum is___
Match the antibiotics in Group I with the microorganisms that produce them in Group II.
Group 1Group 2
(P) Streptomycin(i) Streptomyces griseus
(Q) Bacitracin (ii) Bacillus licheniformis 
(R) Amphotericin B (iii)Streptomyces venezuelae 
(S) Chloramphenicol(iv) Streptomyces nodosus 
Which one of the following represents the abundance of the organisms found in soil?
Which one of the following organisms has axial filaments?
Who among the following scientists was the pioneer in development of chemotherapy?
Which one of the following bacterial species can cause atypical pneumonia?
Which of the following selectable marker genes is/are used for herbicide tolerance during genetic transformation of plants?
Which one or more of the following statements is/are correct regarding the electromotive force generated by electron transfer chain?
Which of the following selectable marker genes is/are used for herbicide tolerance during genetic transformation of plants?
Which one or more of the following statements is/are correct regarding the electromotive force generated by electron transfer chain?