Chapter 1 Microbiology Test bank 67 complete solutions.

Chapter 1 Microbiology Test bank 67
complete solutions.
Chapter 1 Microbiology Test bank 67
complete solutions.
1) Microorganisms are involved in each of the following processes EXCEPT

A) infection.

B) decomposition of organic material.

C) O2 production.

D) food production.

E) smog production. - ANSWER E. Smog Production



2) Each of the following organisms would be considered a microbe EXCEPT

A) yeast.

B) protozoan.

C) bacterium.

D) mushroom.

E) virus. - ANSWER D. Mushroom



3) The term used to describe a disease-causing microorganism is

A) microbe.

B) bacterium.

C) virus.

D) pathogen.

E) infection. - ANSWER D. Pathogen



4) Common commercial benefits of microorganisms include synthesis of

A) riboflavin.

B) acetone.

, Chapter 1 Microbiology Test bank 67
complete solutions.
C) insulin.

D) aspirin.

E) riboflavin, acetone and insulin. - ANSWER E. riboflavin, acetone and insulin



5) Commercial utilization of microbial products has become increasingly popular due to their
environmentally friendly nature. Production of these products which are readily degraded and, thus,
non-toxic typically utilizes

A) enzymes.

B) organic acids.

C) organic solvents.

D) soap.

E) alcohol. - ANSWER A. enzymes



6) The formal system for classifying and naming organisms was developed by

A) Robert Koch.

B) Ignaz Semmelweis.

C) Aristotle.

D) Carolus Linnaeus.

E) Louis Pasteur. - ANSWER D. Carolus Linnaeus



Enzymes used to soften and fade denim by digesting some of the cellulose in cotton - ANSWER
Trichoderma fungus



Cotton production: - ANSWER Gluconacetobacter xylinus



Bleaching method safer than chlorine and can be easily removed from fabric and wastewater by
enzymes - ANSWER Mushroom peroxidase