OPENSTAX MICROBIOLOGY TEST BANK OpenStax Microbiology THIS TEST BANK COVERS ALL CHAPTERS 1-26

OPENSTAX MICROBIOLOGY TEST BANK OpenStax Microbiology THIS TEST BANK COVERS ALL CHAPTERS 1-26 OF THE BOOK 100% SUCCESS GUARANTEED Which of the following is true of the microbial world? A. All microbes are harmful. B. Humans could survive without microbes. C. Many microbes are helpful.* D. Most microbes are pathogenic. Difficulty: Easy ASM Standard: 23, 24 2. Which of the following is when humans first suspected the existence of microbes? A. during the Industrial Revolution B. in prehistoric times* C. in the last century D. within the last 500 years Difficulty: Easy ASM Standard: 23 3. Which individual first observed unicellular organisms, which he called “animalcules,” using a microscope he developed? A. Robert Koch B. Louis Pasteur C. Thucydides D.Antonie van Leeuwenhoek* Difficulty: Easy ASM Standard: 6 4. To reduce the risk of open flame from Bunsen burners, microbiologists are increasingly using which of the following devices for easy, rapid benchtop sterilization of small pieces of equipment? A. autoclaves B. ethylene oxide C. incubators D. microincinerators* Difficulty: Easy ASM Standard: 36