We have sent an email with your new password.

Close this window

Microbiology Questions

94 Questions  I  By Jharry08
Microbiology Questions
A review for microbiology in order to get an A for the final exam

  
Changes are done, please start the quiz.


Question Excerpt

Removing question excerpt is a premium feature

Upgrade and get a lot more done!
1.  Who proved that microorganisms cause disease?
A.
B.
C.
D.
2.  Nitrogen bases are building blocks of:
A.
B.
C.
D.
E.
3.  Proteins are formed by amino acids connected by:
A.
B.
C.
D.
4.  Which of the following is not a kingdom in the five-kingdom system?
A.
B.
C.
D.
E.
5.  The best use of a negative stain is:
A.
B.
C.
D.
6.  We discussed two processes for synthesizing ATP. Which process requires proton gradient across the membrane?
A.
B.
7.  Place the following steps in the correct sequence: 1 - Staining; 2- Making a smear; 3 - Fixing
A.
B.
C.
D.
8.  Which of the following chemicals is found only in the outer membrane of Gram-negative bacteria?
A.
B.
C.
D.
E.
9.  Identify the FALSE statement.
A.
B.
C.
D.
10.  Which of the following is one of the hallmarks of a cell?
A.
B.
C.
D.
E.
11.  All of the following statements are true of gram-positive cells except which one?
A.
B.
C.
D.
12.  Which of the following statements are about a gram-negative cell wall is not true?
A.
B.
C.
D.
13.  Which of the following is not a kingdom in the five-kingdom system?
A.
B.
C.
D.
E.
14.  Which of the following chemical bonds is the strongest?
A.
B.
C.
D.
15.  Bacterial cell membrane DOES NOT contain:
A.
B.
C.
D.
E.
16.  All of the following can be found in mitochondria except:
A.
B.
C.
D.
E.
17.  Which of the following is not a characteristic of a Bacteria?
A.
B.
C.
D.
18.  This microscope uses an ultraviolet light source.
A.
B.
C.
D.
19.  Which of the following is considered an endotoxin?
A.
B.
C.
D.
E.
20.  Bacteria differ from viruses because bacteria
A.
B.
C.
D.
21.  These molecules are the primary building blocks of the plasma membrane in cells
A.
B.
C.
D.
22.  Which of the following does not contribute to the hydrophobic interaction?
A.
B.
C.
D.
23.  These are the primary molecules making up plasma membrane in cells
A.
B.
C.
D.
24.  This is not a major bioelement
A.
B.
C.
D.
E.
25.  A protein's function depends upon its unique conformation. Which level of protein folding achieves this conformation?
A.
B.
C.
D.
E.
26.  Which forces/bonds are involved in quaternary structure of proteins?
A.
B.
C.
D.
27.  This is not an internal structure of a bacteria
A.
B.
C.
D.
28.  You can find nucleotides in
A.
B.
C.
D.
E.
29.  Which are of microbiolgy studies fungi?
A.
B.
C.
D.
E.
30.  Which of the following compounds has the greatest amount of energy for a cell?
A.
B.
C.
D.
E.
31.  Which of the following is not part of the cell membrane?
A.
B.
C.
D.
32.  Cell division occurs in prokaryotes by:
A.
B.
C.
D.
33.  Which of the following mechanisms requires energy?
A.
B.
C.
D.
34.  Cells are made of mostly
A.
B.
C.
D.
E.
35.  What color should a gram-positive organism appear after Gram stain
A.
B.
C.
D.
E.
36.  Eukarya
A.
B.
C.
D.
E.
37.  The type of bond holding Na+ and Cl- ions in NaCl is a(n):
A.
B.
C.
D.
38.  A medium that contains cyrstal violet inhibit growth of gram-positive bacteria. The medium is:
A.
B.
C.
39.  Loss of electrons means:
A.
B.
C.
40.  S-S agar inhibits gram-positive bacteria. On this medium, bacteria that ferment lactose to produce red colonies, and bacteria that do not ferment lactose to produce colorless colonies. This medium is:
A.
B.
C.
D.
41.  Which of the following is not a characteristic of cell membrane
A.
B.
C.
D.
E.
42.  Which of the following mechanisms generate ATP using an electron transport chain?
A.
B.
C.
D.
E.
43.  An example of bioremediation is the use of:
A.
B.
C.
D.
44.  This microscope achieves the highest magnification and greatest resolution.
A.
B.
C.
D.
E.
45.  All of the following organisms are eukaryotes except:
A.
B.
C.
D.
E.
46.  Which molecule is composed of a chain of amino acids?
A.
B.
C.
D.
47.  The most common solidifying agent added to culture media is:
A.
B.
C.
D.
48.  The best definition of biotechnology is:
A.
B.
C.
D.
49.  Peptidoglycan is made of mostly:
A.
B.
C.
D.
50.  Which of the following is not a product of TCA cycle?
A.
B.
C.
D.
E.
51.  Which of the following is a scientific name?
A.
B.
C.
D.
52.  You have isolated a cell that lacks a membrane enclosed nucleus. You would find all of the following structures except  which one?
A.
B.
C.
D.
53.  This microscope is used to observe a specimen that emits light when illuminated with an ultra violet light and is an excellent diagnostic tool.
A.
B.
C.
D.
54.  Which of the following statements about bacteria is not true?
A.
B.
C.
D.
55.  A denatured protein maintains its:
A.
B.
C.
D.
E.
56.  Cells containing the peptidoglycan layer are susceptible to penicillin. Which part of this molecule does this antibiotic affect?
A.
B.
C.
D.
57.  The appearance of gram-negative bacteria after completing Gram stan is:
A.
B.
C.
D.
58.  The idea of spontaneous generation postulated that:
A.
B.
C.
D.
59.  Assume you have bacterial culture that requires teichoic acid in its growth medium. If teichoic acid is not provided, the bacteria will not be able to make:
A.
B.
C.
D.
60.  Cocci are:
A.
B.
C.
D.
E.
61.  Which of the following scientists and their discoveries is not correctly matched?
A.
B.
C.
D.
62.  A chemical bond formed by two atoms when they share pairs of electrons to fill their outer shells is a/an:
A.
B.
C.
D.
E.
63.  Which of the following organelles most closely resembles a prokaryotic cell?
A.
B.
C.
D.
E.
64.  A molecule that contains both hydrophobic and hydrophilic groups is called:
A.
B.
C.
D.
E.
65.  The most important environmental factor affecting growth is:
A.
B.
C.
D.
66.  Who disproved the theory of spontaneous generation?
A.
B.
C.
D.
67.  At which growth temperture bacteria grow at the fastest rate?
A.
B.
C.
68.  Which of the following is not a variation of light microscopy?
A.
B.
C.
D.
E.
69.  A peptide bond: (1) is a covalent bond (2) holds the primary structure of protein together (3) is between two hydrogen groups (4) is between carbon and nitrogen (5) is between two sugar molecules
A.
B.
C.
D.
E.
70.  What is the purpose of buffer in culture media?
A.
B.
C.
D.
E.
71.  The difference between simple diffusion and facilitated diffusion is that facilitated diffusion:
A.
B.
C.
D.
E.
72.  By which of the following mechanisms can a cell transport a substance from a lower to a higher concentration?
A.
B.
C.
D.
73.  All of the following statements about cellulase are true except which one?
A.
B.
C.
D.
74.  Which of the following statements is true?
A.
B.
C.
D.
E.
75.  All of the following are true about starch and cellulose except they are:
A.
B.
C.
D.
76.  A medium having higher concentration of solutes than interior of the cell is a ______ ______, which causes cell to _________
A.
B.
C.
D.
E.
77.  The fluid mosaic model describes
A.
B.
C.
D.
78.  Which of the following is not related to bacterial cell wall
A.
B.
C.
D.
E.
79.  Name the two macromolecules that are considered essence of life
A.
B.
C.
D.
E.
80.  Bacterial cell wall is made of:
A.
B.
C.
D.
E.
81.  Bioremediation refers to:
A.
B.
C.
D.
82.  Eukaryotes include all BUT
A.
B.
C.
D.
E.
83.  In the name of escherichia coli, coli is the:
A.
B.
C.
D.
84.  For the most organisms this molecule acts as the sole informational molecule and carries the genetic blueprint of the cell
A.
B.
C.
D.
85.  What is/are the important biological function(s) of polysaccharides? a. energy storage b. structural support c. enzymatic activity d. information change
A.
B.
C.
D.
E.
86.  Fermentation differs from anaerobic respiration in all of the following ways except which one? Fermentation does not:
A.
B.
C.
D.
E.
87.  This structure could not be found in prokayotes
A.
B.
C.
D.
E.
88.  All of the following statements are true about the plasma membrane except which?
A.
B.
C.
D.
89.  Which of the following pairs are mismatched?
A.
B.
C.
D.
90.  Robert koch established his postulates using the disease
A.
B.
C.
D.
E.
91.  All of the following are polysaccharides except:
A.
B.
C.
D.
E.
92.  Which one makes the most ATP; aerobic respiration, anaerobic respiration or fermentation?
A.
B.
C.
D.
93.  Proteins are involved in all of the following except:
A.
B.
C.
D.
E.
94.  Which of the following pairs is mismatched?
A.
B.
C.
D.
Back to top

Removing ad is a premium feature

Upgrade and get a lot more done!
Take Another Quiz