Skip to content
Biology Notes Online
Login Sign Up
  • All Notes
  • Ask
  • Practice
  • Course
  • MCQ
  • Flashcard
  • Audio
  • eBooks
  • Start studying
    • AP Biology Notes
    • AS Level Biology Notes
    • A Level Biology Notes
    • O Level Biology Notes
    • IB Biology Notes
    • AQA GCSE Biology
    • IGCSE Biology Notes
  • Video
  • Mock Test
  • Exams
  • Solution
  • Resource
    • Mind Maps
    • Biology Timelines
    • Microscopic Pictures
    • Biology Word Search
Home » Microbiology MCQ

Microbiology MCQ

Total MCQ: 174

Create Quiz
Download as Worksheet

MCQ Quiz on Microbiology

161 In an electron microscope, what material is used as an objective lens?

  • A) Magnetic coils
  • B) Superfine glass
  • C) Aluminium foils
  • D) Electrons
View Answer & Discuss

162 The capacity of a given strain of microbial species to produce disease is known as

  • A) Pathogen
  • B) Virulence
  • C) Infection
  • D) None of these
View Answer & Discuss

163 According to Pasteur statements which one of the following is true

  • A) Living organisms discriminate between stereoisomers
  • B) Fermentation is an aerobic process
  • C) Living organisms doesn’t discriminate between stereoisomers
  • D) Both a and b
View Answer & Discuss

164 “I found floating therein earthly particles, some green streaks, spirally wound serpent-wise…” These words are of

  • A) Leeuwenhoek
  • B) A. Jenner
  • C) Pasteur
  • D) Koch
View Answer & Discuss

165 The principle light-trapping pigment molecule in plants, Algae, and cyanobacteria is

  • A) Chlorophyll a
  • B) Chlorophyll b
  • C) Porphyrin
  • D) Rhodopsin
View Answer & Discuss

166 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
View Answer & Discuss

167 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
View Answer & Discuss

168 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
View Answer & Discuss

169 The symptom “general feeling of illness and discomfort” is called

  • A) Cystitis
  • B) Malaise
  • C) Anaphylactic shock
  • D) Arthritis
View Answer & Discuss

170 On soybean which of the following forms symbiosis

  • A) Azotobacter paspali
  • B) Rhizobium
  • C) Nostoc
  • D) Bradyrhizobium
View Answer & Discuss
« Previous Page 1 … Page 15 Page 16 Page 17 Page 18 Next »
  • Difference Between Prokaryotic and Eukaryotic Cells – Prokaryotic Vs Eukaryotic Cells
    by BNO Team
    June 22, 2025
  • Top 30 Differences Between Bacteria, Archae, and Eukarya
    by BNO Team
    June 22, 2025
  • 20 Difference Between Darkfield and bright Field Microscope
    by BNO Team
    June 20, 2025
  • What is the Difference Between Holobasidium and Phragmobasidium?
    by BNO Team
    June 20, 2025
  • Difference Between Virus and Viroids – Virus Vs Viroids
    by BNO Team
    June 20, 2025
  • About Us
  • Contact Us
  • Affiliate Disclosure
  • Privacy Policy
  • Terms and Conditions
© 2024 Biology Notes Online
Ad Blocker Detected
We've detected that you're using an ad blocker. Some content may not display properly.
Why are you seeing this? Ad blockers can prevent certain content and features from loading correctly on our website.

To continue with the best experience:

  • Disable your ad blocker for this website
  • Add this site to your ad blocker's whitelist
  • Refresh the page after making changes
We respect your choice to use ad blockers. This message helps ensure you get the full experience.