Microbiology Lab Practical Questions Exam 2025 Questions & Answers with 100% Correct Answers | Verified

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 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