Microbiology Exam 1 LATEST QUESTIONS AND CORRECT ANSWERS GRADED A+/

Microbiology Exam 1 // LATEST EXAM QUESTIONS AND
CORRECT ANSWERS GRADED A+/
Microorganism



Ans: are organisms that are too small to see with the unaided eye


Quiz examples of microorganisms



Ans: bacteria
fungi

protozoa

microscopic algae

viruses



Quiz what kind of microscope do you use when you are working with microorganisms you can't
see?



Ans: bright field microscope

,Quiz what are the different magnifications of a bright field microscope



Ans: 4x
10x

40x

100x



Quiz what is the kind of microscope that you use when looking at a virus



Ans: electron microscope


Quiz what are the different magnifications of the electron microscope



Ans: 1 mil
2 mil

10 mil



Quiz How are microbes helpful



Ans: decompose organic waste
generate O2

produce chemical products such as ethanol and others

produce fermented foods ex: vinegar, cheese, and bread

produce products used in manufacturing ex: cellulose and insulin

,Quiz How many microbes are pathogenic out of all the microorganisms



Ans: 70/10 mil


Quiz what knowledge do microbes give humans



Ans: prevent diseases
allow food storage and prevent food spoilages

stop transmission of diseases



Quiz Microbiology



Ans: the study of organisms too small to be seen with the naked eye


Quiz microbial ecology



Ans: the study of the relationship between microorganisms and their environment


Quiz competitive exclusion



Ans: a way to kill the bad bacteria


- change in the pH

, - secrete enzymes

- eat the food



Quiz bioremediation



Ans: using microbes to clean up pollutants


Quiz Bacillus thuringienisis



Ans: can kill insects but doesn't harm plants or animals


Quiz Order of the Scientific Method



Ans: observe
hypothesis

prediction

experiment

consistency

theory

law



Quiz Mycology



Ans: study of fungi