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 17 of 33

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Q161.
The gram-negative organisms is
Discuss
Answer: (d).None of these
Q162.
Catalase production is negative in which of the following?
Discuss
Answer: (a).Streptococcus
Q163.
Which of the following is a substitute for crystal violet used in gram-staining procedure?
Discuss
Answer: (a).Methylene blue
Q164.
Which of the following inference(s) indicate(s) the ability of an organism to utilize citrate as a sole source of carbon in Simmon's citrate medium?
Discuss
Answer: (c).Both (a) and (b)
Q165.
The organisms that can be acid-fast stained is
Discuss
Answer: (d).all of these
Q166.
The primary stain of Gram's method is
Discuss
Answer: (c).crystal violet
Q167.
At what concentration of sulphuric acid, Nocardia resists decolourization?
Discuss
Answer: (a).0.5% sulphuric acid
Q168.
Which of the following is commonly used as Gram's decolouriser?
Discuss
Answer: (d).A mixture of ethyl alcohol and acetone
Q169.
Production of acetoin can be detected by which of the following tests?
Discuss
Answer: (b).Voges-Proskauer test
Q170.
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