- A) Bacteria
- B) Viroids
- C) Prions
- D) Mycoplasma
Microbiology MCQ
Total MCQ: 174
MCQ Quiz on Microbiology
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162 Electron microscope gives magnification up to
- A) 100 X
- B) 2000 X
- C) 50,000 X
- D) 2,00,000 X
163 During Bio Geo chemical cycle some amount of elemental carbon was utilized by the microorganisms. The phenomenon is called as
- A) Dissimilation
- B) Immobilization
- C) Decomposition
- D) Neutralization
164 Who demonstrated that open tubes of broth remained free of bacteria when air was free of dust.
- A) Abbe Spallanzani
- B) John Tyndall
- C) Francisco Redi
- D) Pasteur
165 Reverse isolation would be appropriate for
- A) a patient with tuberculosis
- B) a patient who has had minor surgery
- C) a patient with glaucoma
- D) a patient with leukemia
166 The symptom “general feeling of illness and discomfort” is called
- A) Cystitis
- B) Malaise
- C) Anaphylactic shock
- D) Arthritis
167 On soybean which of the following forms symbiosis
- A) Azotobacter paspali
- B) Rhizobium
- C) Nostoc
- D) Bradyrhizobium
168 Who provided the evidence that bacteriophage nucleic acid but not protein enters the host cell during infection
- A) Alfred D. Hershey & Leonard Tatum in 1951
- B) Alfred D. Hershey & Zindar Lederberg in 1951
- C) Alfred D. Hershey & Martha Chase in 1952
- D) Alfred D. Hershey & Macleod in 1952
169 Spirulina belongs to
- A) Xanthophyceae
- B) Cyanophyceae
- C) Rhodophyceae
- D) Pheophyceae
170 The first antibody to contact invading microorganisms was
- A) IgG
- B) IgM
- C) IgA
- D) IgD