Microbial Classification

 

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Microbial Classification

Question 1
% Similarity ( % S) of each strain to every other strain is calculated by which method?
A
Intuitive Method
B
Numerical Taxonomy
C
Genetic Relatedness
D
DNA homology experiments

Question 2
Which among the following come under Gram-positive eubacteria?
A
Clostridium
B
Actinomyces
C
Rhizobium
D
Clostridium, Actinomyces

Question 3
Which among the following kingdoms were proposed by Whittaker?
A
Monera
B
Protista, Fungi
C
Plantae, Animalia
D
Monera, Protista, Fungi, Plantae, Animalia

Question 4
According to Bergey's Manual of Systematic Bacteriology, prokaryotes that lack a cell wall belong to the group?
A
Gracilicutes
B
Firmicutes
C
Tenericutes
D
Mendosicutes

Question 5
If two organisms are distantly related and show no DNA homology there still may be similarity in their rRNA cistrons.
A
True
B
False

Question 6
What are ribosomes composed of?
A
Proteins
B
DNA
C
RNA
D
Proteins and RNA

Question 7
The correct order of taxonomic groups from higher to lower rank is?
A
Kingdom-Order-Class-Family
B
Order-Class-Division-Family-Genus-Species
C
Kingdom-Order-Division-Family-Class-Genus-Species
D
Kingdom-Division-Class-Order-Family-Genus-Species

Question 8
Two organisms which are very closely related to each other have which of the following property?
A
similar mol % G+C values
B
different mol % G+C values
C
similar mol % G+C values and heteroduplexes are formed.
D
different mol % G+C values and heteroduplexes are not formed.

Question 9
Which of the following are characteristics of archaebacterial different from eubacteria?
A
methane-producers
B
extreme halophiles
C
thermoacidophiles
D
methane-producers, extreme halophiles, and thermoacidophiles

Question 10
Type strain is used for referring to?
A
species
B
genus
C
family
D
division
There are 10 questions to complete.

 

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