1) It has been found that cells of organisms lack membranes and organelles, and their hereditary material has no nucleosomal organization. What kind of organisms are these? a) Viruses b) Prokaryotes c) Protozoa d) Actinomycetes 2) The bacteriologic laboratory received vomit masses of a patient with suspected cholera. The material, a "hanging drop" preparation, was prepared. What method of microscopy will be used to identify the pathogen by its mobility? a) Phase-contrast b) Electronic c) Bright-field microscope d) Luminescent 3) What is the correct hierarchical order of biological classification in taxonomy? a) Kingdom, domain, phylum, class, order, family, genus, species b) Domain, kingdom, order, phylum, class, genus, family, species c) Phylum, class, domain, kingdom, order, family, genus, species d) Domain, kingdom, phylum, class, order, family, genus, species 4) What is the term used to describe a community of microorganisms that adhere to a surface and are embedded in a self-produced matrix of extracellular polymeric substances? a) Pathogens b) Planktonic cells c) Spores d) Biofilms 5) What is the term for the theory that life originated from non-living matter through natural processes? a) Abiogenesis b) Biogenesis c) Spontaneous combustion d) Evolution 6) What is the term for a relationship where two organisms depend on each other to break down a nutrient that neither can break down alone? a) Mutualism b) Commensalism c) Synergism d) Parasitism 7) What is the term used to describe a plant pathogen? a) Prion b) Virus c) Viroid d) Biofilm 8) Which cell organelle is found only in algae and plant cells? a) Chloroplasts b) Vesicles c) Vacuoles d) Mitochondria 9) Which cell organelle, often referred to as the "powerhouse of the cell," is responsible for producing energy? a) Chloroplasts b) Vesicles c) Vacuoles d) Mitochondria 10) What is the name of the complex molecule found in the outer membrane of Gram-negative bacteria that plays a key role in their structure and immune response? a) Peptidoglycan b) Lipopolysaccharide c) Protein synthesis d) Flagellin

week 1 Scope of Microbiology & Course Introduction

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