MLPAO Test Prep ~ Microbiology Exam Questions and Correct Answers Microbiology is the study of - Correct Answer Microscopic organisms Four major groups of Microorganisms - Correct Answer Bacteria, Viruses, Fungi, Parasites Viruses are non cellular - Correct Answer Parasites Viruses are observed through - Correct Answer Electron microscope Viruses contain a genomic core made up of either ____ or ____ (never both!) and a coat of ____ surrounding the core called an ___ - Correct Answer DNA, RNA, protein, envelope Viruses are obligate intracellular_____ - Correct Answer Parasites Prokaryotic bacteria ranges in size between ____ um - Correct Answer 2-6 Eukaryotic fungi size ___ um - Correct Answer 2-100 Unicellular fungi include - Correct Answer yeast Multicellular fungi include - Correct Answer Molds, fungi, Candida Eukaryotic protozoa ranges in size between ___ um - Correct Answer 5-200 Protozoa are motile by means of - Correct Answer pseudopods, cilia, or flagella Microorganisms from largest to smallest - Correct Answer Protozoa, fungi, bacteria, viruses A form of providing all necessary nutrients to the microbe in an artificial environment is - Correct Answer Growth medium 1 / 2
Growth Medium: Prepared by using ___ ____ or using _____ _____ - Correct Answer individual constituents, dehydrated powders Growth Medium: Classified according to three properties - Correct Answer Physical, Chemical, Functional Growth Medium: Physical classifications - Correct Answer Liquid, semi-solid, solid Growth Medium: Chemical classifications - Correct Answer Synthetic, non-synthetic Growth Medium: Functional classifications - Correct Answer General purpose, enriched, selective, differential, anaerobic, enumeration, assay, specimen transport Growth Medium: Solid medium gives a firm surface on which - Correct Answer bacteria can grow
Growth Medium: Cells that grow on solid media are - Correct Answer Colonies
Growth Medium: A colony is produced of a ___ and is made of _____ - Correct Answer single cell, one type of species Growth Medium: A colony's ____, ____, and ____ are typically used for identification - Correct Answer Size, shape, color Growth Medium: Semi-solid medium is used to asses the ____ of bacteria or observe a ____ - Correct Answer motility, reaction at a specific site Growth Medium: Semi-solid medium contains _____ agents to thicken the media such as ____ or ____ - Correct Answer Solidifying, gelatin, agar Growth Medium: Liquid medium includes _____ or _____ - Correct Answer Broths, infusions Growth Medium: Liquid medium growth appears ____ the tube in the form of ____, _____, or _____ appearance - Correct Answer Throughout, dispersed, cloud, particle
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