Microbiology Lab Practical Questions with Correct Answers 100% Pass

Microbiology Lab Practical Questions with Correct Answers 100% Pass The microscope used in the laboratory is what type of microscope? - Compound Binocular Light The ability of a microscope to reveal fine detail is known as? - resolution The 10X eyepiece used in combination with a 45X objective produces a magnification of? - 450X Another name for the 100X objective lens? - oil immersion when putting the microscope away, which objective should be in place? - low power What part of the microscope regulates the amount of light entering? - condenser 2 100% Pass Guarantee Katelyn Whitman, All Rights what part of the microscope is used if some focusing adjustment is needed with high power? - fine adjustment Identify the person who was first to observe microorganisms - Anton Van Leeuwenhoek Which of the following cannot be seen with your laboratory microscope? Bacteria, Fungi or Viruses? - Viruses The primary stain used in the endospore procedure is? - malachite green What color do the endospores stain? - green why do you steam the endospore stain? - helps stain penetrate endospore wall Another name for the endospore stain is? - Schaeffer Fulton Method What counterstain is used in an endospore stain? - Safarin Name 2 genera most noted for the production of endospores? - Bacillus and Clostridium 3 100% Pass Guarantee Katelyn Whitman, All Rights An endospore is what type of cell? vegetative or dormant? - dormant The color produced which indicates an organism uses citrate as a carbon source - blue - positive E. coli is citrate positive or negative? - negative Why is it necessary to heat fix bacterial cells? - enforces bacteria to stick to slide A common stain used in simple staining is? - crystal