Microorganisms MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Microorganisms, 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 Microorganisms 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 Microorganisms mcq questions that explore various aspects of Microorganisms problems. Each MCQ is crafted to challenge your understanding of Microorganisms 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 Microorganisms 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 Microorganisms. 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 Microorganisms knowledge to the test? Let's get started with our carefully curated MCQs!

Microorganisms MCQs | Page 18 of 25

Q171.
The time required to kill 90% of the microorganisms in a sample at a specific temperature is the
Discuss
Answer: (d).D value
Q172.
Which of the following is best used for long term storage of microbial samples when carried out properly?
Discuss
Answer: (b).Storage in a freezer at ultra low temperatures (-70°C)
Q173.
Which of the following is not a disinfectant containing a heavy metal?
Discuss
Answer: (d).Chlorine
Q174.
Which is the most important surface active disinfectants?
Discuss
Answer: (b).Cationic compounds
Q175.
Which disinfectant would be most effective against Staphylococcus found in a blood spill?
Discuss
Answer: (d).None of these
Q176.
Which of the following substances can sterilize?
Discuss
Answer: (c).Ethylene oxide
Q177.
Milk is pasteurized in batch method by keeping it at
Discuss
Answer: (a).63°C for 30 minutes
Q178.
Preservation of foods by using salts and sugars works by
Discuss
Answer: (c).creating a hypertonic environment
Q179.
Which of the following items could be sterilized by dry heat sterilization?
Discuss
Answer: (c).Glass pipettes
Q180.
Which of the following does not kill endospores?
Discuss
Answer: (d).Pasteurization