Question 1

A relationship between organisms in which the waste product of one provides nutrients for another is called

Accepted Answer

A) mutualism. 
B) competition. 
C) synergism. 
D) commensalism.

Question 2

All bacteria are __________ cells.

Accepted Answer

The answer of All bacteria are __________ cells....

Question 3

Fossils of prokaryotes go back __________ billion years.

Accepted Answer

A) 4.0 to 5.0 
B) 3.5 to 4.0 
C) 2.5 to 3.0 
D) 2.2 to 2.7

Question 4

Another term for spontaneous generation is __________.

Accepted Answer

The answer of Another term for spontaneous generation is __________....

Question 5

A relationship in which two organisms benefit is referred to as __________.

Accepted Answer

The answer of A relationship in which two organisms benefit...

Question 6

The proteins implicated in spongiform encephalopathy are __________.

Accepted Answer

The answer of The proteins implicated in spongiform encephalopathy are...

Question 7

The total magnification of an object viewed with a compound microscope with an ocular lens of ´10 and an objective lens of ´40 is ´__________.

Accepted Answer

The answer of The total magnification of an object viewed...

Question 8

The cleanup of various industrial wastes by living organisms is referred to as __________.

Accepted Answer

The answer of The cleanup of various industrial wastes by...

Question 9

Low-power microscopes designed for observing fairly large objects such as insects or worms are

Accepted Answer

A) electron microscopes. 
B) dark-field microscopes. 
C) fluorescence microscopes. 
D) stereomicroscopes.

Question 10

Microorganisms of various species are often organized into complex communities on a surface and are called __________.

Accepted Answer

The answer of Microorganisms of various species are often organized...

Question 11

In the sixteenth century a father-and-son team,by the name of __________,produced a compound microscope consisting of a simple tube with lenses at each end.

Accepted Answer

A) van Leeuwenhoek 
B) Semmelweis 
C) Janssen 
D) Hooke

Question 12

The correct descending order of taxonomic categories is

Accepted Answer

A) species, domain, phylum, kingdom, order, division, class, genus. 
B) domain, kingdom, phylum, class, family, order, genus, species. 
C) domain, kingdom, phylum, class, order, family, genus, species. 
D) kingdom, domain, phylum, order, class, family, genus, species.

Question 13

A microscope that provides a three-dimensional image of a specimen is a

Accepted Answer

A) dark-field microscope. 
B) transmission electron microscope. 
C) bright-field microscope. 
D) scanning electron microscope.

Question 14

The tool of choice to observe living microorganisms is the

Accepted Answer

A) bright-field microscope. 
B) phase-contrast microscope. 
C) fluorescence microscope. 
D) electron microscope.

Question 15

Which of the following organisms is used in the production of cheese?

Accepted Answer

A) Propionibacterium shermanii 
B) Acetobacter aceti 
C) Giardia 
D) Fusobacterium

Question 16

Which of the following scientists performed the first vaccination against smallpox?

Accepted Answer

A) Pasteur 
B) Jenner 
C) Semmelweis 
D) Koch

Question 17

Which of the following scientists discovered the antibiotic properties of Penicillium?

Accepted Answer

A) Alexander Fleming 
B) Louis Pasteur 
C) Joseph Lister 
D) Edward Jenner

Question 18

The binominal system of nomenclature was originally developed by

Accepted Answer

A) Pasteur. 
B) Linnaeus. 
C) Martini. 
D) Jenner.

Exam 1: Scope of Microbiology