Online Quiz 1

Viruses are not considered living organisms because they A Cannot reproduce by themselves B Are structurally very simple C Can only be visualized using an electron microscope D Are typically associated with disease E Are ubiquitous in nature

A

Which of the following NOT associated with viruses A Organelles B Nucleic acid C Envelope D Protein coat

A

Which of the following is NOT a domain in the three-domain system A Animalia B Archaea C Bacteria D Eukarya

A

Biogenesis refers to the A Spontaneous generation of organisms from nonliving matter B Development of life forms from preexisting life forms C Development of aseptic technique D Germ theory of disease

B

In the name Staphylococcus aureus, aureus is the A Genus B Domain name C Species D Kingdom E Family name

C

Proof that a microbe could cause disease was provided by A Pasteur B Lister C Koch D Wasserman E Semmelweis

C

The first step for directly linking a microbe to a specific disease according to koch's postulates is to A Culture the blood or other body fluid from a diseased animal using nutrient medium B Inject a sample of blood or other body fluid from a diseased animal into a healthy animal C Obtain a sample of blood or other body fluid from a diseased animal D Compare the blood of a sick animal to blood obtained from a healthy animal E Isolate microbes from the blood of healthy animals

C

If you were setting up an experiment to disprove spontaneous generation in a liquid medium, which of the following would be essential to the experiment? A Supplying the liquid with nutrients B Starting with a liquid that contains microorganisms C Adding antibiotics to the liquid D Using a sterile liquid and eliminating exposure to microorganisms E Adding carbon dioxide to the liquid

D

Microorganisms are involved in each of the following processes EXCEPT A Infection B Decomposition of organic material C O2 production D Smog production

D

Mycology is the study of A Mycoplasma B Mushrooms C Protozoa D Molds E Molds, yeast and mushrooms

E