Microbiology MCQ – Download Microbiology Objective Questions with Answers in PDF format. Get free study materials of Solved Microbiology MCQ Questions.
Microbiology, the study of microscopic organisms, has revolutionized our understanding of the living world. As a multidisciplinary field, it encompasses various branches, such as bacteriology, virology, mycology, and parasitology. Mastering microbiology requires a solid foundation in both theoretical knowledge and practical application. Multiple-choice questions (MCQs) are an effective tool to assess and reinforce one’s understanding of this fascinating subject. In this article, we present a collection of microbiology MCQs along with detailed answers, designed to enhance your knowledge and critical thinking skills.
1.Which of the following bacteria has the lowest 50% infective dose (ID50)?
A) Campylobacter jejuni
B) Salmonella typhi
C) Vibrio cholerae
D) Shigella sonnei
2) Each of the following organisms is an important cause of urinary tract infections except:
A) Klebsiella pneumoniae
B) Escherichia coli
C) Bacteriodes fragilis
D) Proteus mirabilis
3) Which were the investigators lived at the same time?
A) Koch and Pasteur
B) Darwin and Woese
C) Van Leeuenhoek and Ricketts
D) Berg and Hooke
4) The bacterium that infects other gram negative bacteria is
A) Proteus mirabilis
B) Haemophilus influenza
C) Bdellovibrio
D) Pseudomonas putida
5) Which of the following is diagnosed by serologic means?
A) Actinomycosis
B) Q-fever
C) Pulmonary tuberculosis
D) Gonorrhea
6) Fluroscent substance used in fluorescent microscopy are
A) Quinine sulphate
B) Auramine
C) All of these
D) None of these
7) Which is the following enzyme acts as a spreading factor?
A) Hyaluronidase
B)Coagulase
C) Catalase
D) DNase
8) A mutation that produces termination codon is
A) Mis-sense mutation
B) Neutral mutation
C) Non-sense mutation
D) Reverse mutation
9) Identify the obligate anaerobes
A) Salmonella
B) Vibrio cholera
C) Cl. tetani
D) Sarcinae
10) D.pneumoniae can be cultivated in
A) Glucose broth
B) Serum broth
C) Agar and blood agar
D) All of these
11) Which of the following acts as a test organism in the procedure of phenol-coefficient method?
A) Escherichia coli
B) Streptococcus faecalis
C) Staphylococcus aureus
D) Lactobacillus
The questions we ask are very important for all government job exams that have a microbiology subject.