Bacteria MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Bacteria, a fundamental topic in the field of Microbiology. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Bacteria MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Bacteria mcq questions that explore various aspects of Bacteria problems. Each MCQ is crafted to challenge your understanding of Bacteria principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Microbiology tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Bacteria MCQs are your pathway to success in mastering this essential Microbiology topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Bacteria. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Bacteria knowledge to the test? Let's get started with our carefully curated MCQs!

Bacteria MCQs | Page 18 of 33

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Q171.
Botulinum toxin produces in wounds and food, causing a disease named as botulism, that is produced by
Discuss
Answer: (a).Clostridium botulinum
Q172.
The organisms that can be acid-fast stained is
Discuss
Answer: (d).all of these
Q173.
The primary stain of Gram's method is
Discuss
Answer: (c).crystal violet
Q174.
At what concentration of sulphuric acid, Nocardia resists decolourization?
Discuss
Answer: (a).0.5% sulphuric acid
Q175.
Which of the following is commonly used as Gram's decolouriser?
Discuss
Answer: (d).A mixture of ethyl alcohol and acetone
Q176.
Production of acetoin can be detected by which of the following tests?
Discuss
Answer: (b).Voges-Proskauer test
Q177.
The production of sufficient acid by fermentation of glucose leads to decrease in pH such that pH of the medium falls below 4.5. Which of the following test can detect it?
Discuss
Answer: (b).Methyl red test
Q178.
What is the colour of gram -postive bacteria on a gram staining?
Discuss
Answer: (a).Purple
Q179.
What is the colour of gram-negative bacteria on a gram staining?
Discuss
Answer: (b).Pink
Q180.
Which of the following is a primary stain for acid fast staining of mycobacteria?
Discuss
Answer: (b).Carbol fuchsin