1. What is the primary purpose of maintaining a detailed laboratory notebook in microbiology? A) To ensure experiments can be replicated B) To track attendance C) For grading purposes D) To look professional Answer: A Rationale: A detailed laboratory notebook is crucial for recording experiments in a manner that allows them to be accurately replicated, which is essential for scientific validation and progress. 2. Which piece of equipment is essential for sterilizing microbiological media? A) Incubator B) Autoclave C) Vortex mixer D) pH meter Answer: B Rationale: An autoclave uses pressurized steam to sterilize equipment and media, which is vital to prevent contamination in microbiological experiments. 3. When labeling a petri dish, where should the label be placed? A) On the lid B) On the bottom C) On the side D) Anywhere on the dish Answer: B Rationale: Labels should be placed on the bottom of a petri dish to avoid confusion if the lid is mistakenly placed on a different base after opening. 4. What is the correct order of operations when using a microscope? A) Turn on the light, place the slide, adjust the focus B) Place the slide, turn on the light, adjust the focus C) Adjust the focus, turn on the light, place the slide D) Place the slide, adjust the focus, turn on the light Answer: A Rationale: Turning on the light before placing the slide helps to ensure