Bacteria Cell Microbial Organism Microbiology

Lecture Test 1 Bacteria Cell Microbial Organism Microbiology

This lecture is about Bacteria Cell Microbial Organism Microbiology.


The unit of measurement used in microscopy typically to measure micro-organisms and cells is the:  

kilometer   

meter 

micrometer  – correct

millimeter  

nanometer 


What is a difference between the older and the newer models of the scientific method?

observation   

experimentation   

hypothesis formation

community involvement – correct


Which of these microbes did not cause a famous epidemic/pandemic?  

SARS CoV-2   

HIV

Staphylococcus aureus  – correct

Influenza virus   

polio virus 


What is usually the first step in studying an unknown bacterium?  

immunologic testing   

DNA identification   

biochemical testing   

microscopic observation

getting a sample – correct


Which of the following kingdoms includes human beings?  

Archaea   

Bacteria   

Plantae   

Fungi

Animalia – correct


All of the following are types of light microscopes except:  

confocal.

scanning tunneling – correct

fluorescent.   

phase-contrast.   

brightfield. 


Which type of microscope would be best to use to observe stained bacterial cells?

differential interference contrast  

transmission electron   

phase contrast 

brightfield – correct

darkfield 


Which of the following scientists would study mushrooms?  

virologist   

bacteriologist   

protozoologist

mycologist – correct

phycologist 


The traditional scientific method typically starts with:  

theory

observation – correct 

hypothesis   

experiment 


Which of the following pairs is mismatched?  

industrial microbiologist – could studies biofuel-producing microbes   

food microbiologist – could study microbes that make beer   

molecular biologist – could study microbial DNA   

microbial ecologist – could study bacteria that consume oil

bacteriologist – could study human immunodeficiency virus (HIV) – correct


Which of the following is a scientific name?  

tuberculosis bacterium

Mycobacterium tuberculosis  – correct

T.B. bug   

Tubercule Bacillus


Which of the following taxonomic levels is between a phylum and a family?  

species   

genus   

kingdom

order – correct 

domain 


Who disproved the theory of spontaneous generation (for the world as it is now)?  

Koch   

Hooke

Pasteur – correct  

Jenner   

van Leeuwenhoek 


A scientist who studies the distribution and spread of infectious disease in a population is a(n):

epidemiologist – correct 

pathologist   

etiologist   

microbial geneticist   

environmental microbiologist 


A researcher who studies how the body combats smallpox would be a(n): ______________?

immunologist – correct 

industrial microbiologist   

microbial ecologist  

 microbial geneticist 


_________ is the science of naming & classifying things. 

taxonomy – correct  

numerology   

speciation   

phylogeny 


Which method uses antibody reactions to identify and/or classify microbes, including bacteria?  

differential staining

serology – correct  

numerical taxonomy 

morphology   

biochemical tests 


In science, when a idea has been thoroughly supported by long-term study with much experimental data and grown in scope, it is considered:

a theory – correct  

a law

a hypothesis 

a speculation  

proven


Who was the first person known to observe single-celled organisms with a microscope?  

Koch   

Hooke   

Jenner

van Leeuwenhoek – correct

Pasteur 


Briefly explain what was the major reason that human beings did not believe for a very long time that microbes existed.

Your Answer:


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