GTC MICROBIOLOGY EXAM SCRIPT 2026
COMPLETE QUESTIONS AND ANSWERS
100% CORRECT
●● examples of microorganisms.
Answer: bacteria
fungi
protozoa
microscopic algae
viruses
●● what kind of microscope do you use when you are working with
microorganisms you can't see?.
Answer: bright field microscope
●● what are the different magnifications of a bright field microscope.
Answer: 4x
10x
40x
100x
●● what is the kind of microscope that you use when looking at a virus.
,Answer: electron microscope
●● what are the different magnifications of the electron microscope.
Answer: 1 mil
2 mil
10 mil
●● How are microbes helpful.
Answer: 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
●● How many microbes are pathogenic out of all the microorganisms.
Answer: 70/10 mil
●● what knowledge do microbes give humans.
Answer: prevent diseases
allow food storage and prevent food spoilages
stop transmission of diseases
,●● Microbiology.
Answer: the study of organisms too small to be seen with the naked eye
●● microbial ecology.
Answer: the study of the relationship between microorganisms and their
environment
●● competitive exclusion.
Answer: a way to kill the bad bacteria
- change in the pH
- secrete enzymes
- eat the food
●● bioremediation.
Answer: using microbes to clean up pollutants
●● Bacillus thuringienisis.
Answer: can kill insects but doesn't harm plants or animals
●● Order of the Scientific Method.
Answer: observe
, hypothesis
prediction
experiment
consistency
theory
law
●● Mycology.
Answer: study of fungi
●● bacteriology.
Answer: study of bacteria
●● virology.
Answer: study of viruses
●● algology.
Answer: study of algae
●● protozoology.
Answer: study of protozoa
COMPLETE QUESTIONS AND ANSWERS
100% CORRECT
●● examples of microorganisms.
Answer: bacteria
fungi
protozoa
microscopic algae
viruses
●● what kind of microscope do you use when you are working with
microorganisms you can't see?.
Answer: bright field microscope
●● what are the different magnifications of a bright field microscope.
Answer: 4x
10x
40x
100x
●● what is the kind of microscope that you use when looking at a virus.
,Answer: electron microscope
●● what are the different magnifications of the electron microscope.
Answer: 1 mil
2 mil
10 mil
●● How are microbes helpful.
Answer: 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
●● How many microbes are pathogenic out of all the microorganisms.
Answer: 70/10 mil
●● what knowledge do microbes give humans.
Answer: prevent diseases
allow food storage and prevent food spoilages
stop transmission of diseases
,●● Microbiology.
Answer: the study of organisms too small to be seen with the naked eye
●● microbial ecology.
Answer: the study of the relationship between microorganisms and their
environment
●● competitive exclusion.
Answer: a way to kill the bad bacteria
- change in the pH
- secrete enzymes
- eat the food
●● bioremediation.
Answer: using microbes to clean up pollutants
●● Bacillus thuringienisis.
Answer: can kill insects but doesn't harm plants or animals
●● Order of the Scientific Method.
Answer: observe
, hypothesis
prediction
experiment
consistency
theory
law
●● Mycology.
Answer: study of fungi
●● bacteriology.
Answer: study of bacteria
●● virology.
Answer: study of viruses
●● algology.
Answer: study of algae
●● protozoology.
Answer: study of protozoa
