Biod 171 Module 1 Exam Questions and Answers | Latest Version | 2025/2026 | Correct & Verified

Biod 171 Module 1 Exam Questions and Answers | Latest Version | 2025/2026 | Correct & Verified What field of biology focuses on the study of microscopic organisms? Microbiology What type of microorganism lacks a true nucleus? Prokaryote What structure surrounds and protects the cell in most bacteria? Cell wall What scientist is known as the father of microbiology? Antonie van Leeuwenhoek What process uses heat to kill pathogens in liquids like milk? Pasteurization 2 What term describes an organism that causes disease? Pathogen What scientist disproved spontaneous generation using a swan-neck flask? Louis Pasteur What kind of microscope is commonly used to view bacteria? Light microscope What tool is used to grow microbes in a lab setting? Petri dish What gel-like substance is used to solidify microbial growth media? Agar What type of microorganism is classified as acellular and needs a host to replicate? Virus 3 What domain includes bacteria and cyanobacteria? Bacteria What domain includes microorganisms that live in extreme environments? Archaea What eukaryotic microorganisms can be single-celled and often live in water? Protozoa What type of microorganism helps decompose organic material in the environment? Fungi What is the role of normal flora in the human body? Prevent colonization by harmful microbes What is the name of the curved rod-shaped bacteria? Vibrio 4 What is the term for a spherical-shaped bacterium? Coccus What is the term for a rod-shaped bacterium? Bacillus What structure allows bacteria to stick to surfaces? Pili What structure helps bacteria move through fluids? Flagella What structure protects some bacteria from drying