Exam 1 Fall 2025

The development of solid culture media and pure culture techniques is attributed to:

a. Koch

b. Mechnikoff

c. Needham

d. Pasteur

a. Koch

Lister’s contribution to microbiology was associated with:

a. aseptic surgery

b. discovery of oral antiseptics

c. lyopholization

d. pasteurization

e. preservation of food

a. aseptic surgery

The concept of abiogenesis affirms:

a. the germ theory of disease

b. the principles of immunization

c. the theory of spontaneous generation

d. the theory of pinocytosis

e. none of the above is correct

c. the theory of spontaneous generation

Pasteurization consists of heating a substance at approximately 62 degrees Celsius for 30 minutes and:

a. is ineffective in ridding dairy products of all microorganisms

b. is used to produce soft drink beverages

c. was employed by the French to promote the aging process in fine wines

d. was originally developed by Central Asian tribesmen in the fermentation of koumiss

a. is ineffective of ridding dairy products of all microorganisms

Louis Pasteur made advances in microbiology by his work on:

a. disproving spontaneous generation

b. developing antibiotics

c. identifying the cell as the fundamental unit of life

d. identifying the etiological agents of chicken cholera, anthrax, and rabies disease

e. two of the above

f. all of the above

e. two of the above (A and D)

All living organisms display which of the following characteristics?

a. assimilation of nutrients and elimination the waste products of metabolism

b. irritability

c. mutability

d. reproducibility

e. two of the above are correct

f. all of the above are correct

f. all of the above are correct