Question 1

Corkscrew-shaped bacteria such as Spirulina are classified as ________.

Accepted Answer

A)  filaments 
B)  cocci 
C)  spirilla 
D)  bacilli 
E)  mat-forming 
A)  filaments 
B)  cocci 
C)  spirilla 
D)  bacilli 
E)  mat-forming C

Question 2

True bacteria may get their nutrition from ________.

Accepted Answer

A)  nonliving organic matter (saprobes) 
B)  other living organisms (parasites) 
C)  from sunlight (autotrophs) 
D)  from inorganic chemicals (chemoautotrophs) 
E)  All these modes of nutrition are used by some eubacteria species. 
A)  nonliving organic matter (saprobes) 
B)  other living organisms (parasites) 
C)  from sunlight (autotrophs) 
D)  from inorganic chemicals (chemoautotrophs) 
E)  All these modes of nutrition are used by some eubacteria species. E

Question 3

An association of two dissimilar organisms that benefits both organisms is called ________.

Accepted Answer

A)  fraternization 
B)  conjugality 
C)  heterosexuality 
D)  parsitism 
E)  mutualism 
A)  fraternization 
B)  conjugality 
C)  heterosexuality 
D)  parsitism 
E)  mutualism E

Question 4

Which of the following bacteria usually has an exceptionally acidic (often less than pH 2) environment?

Accepted Answer

A)  blue-green bacteria 
B)  hydrogen bacteria 
C)  sulpholobus bacteria 
D)  iron bacteria 
E)  chlamydias 
A)  blue-green bacteria 
B)  hydrogen bacteria 
C)  sulpholobus bacteria 
D)  iron bacteria 
E)  chlamydias

Question 5

In modern classifications of viruses, which of the following is now used initially to separate them into two major groups?

Accepted Answer

A)  size 
B)  the DNA or RNA in their cores 
C)  shape 
D)  the nature of the protein coat 
E)  the number of identical structural units in their cores 
A)  size 
B)  the DNA or RNA in their cores 
C)  shape 
D)  the nature of the protein coat 
E)  the number of identical structural units in their cores

Question 6

Which of the following is/are possessed by both bacteria and viruses?

Accepted Answer

A)  cellular structure 
B)  DNA or RNA 
C)  a nucleus 
D)  chlorophyll 
E)  flagella for locomotion 
A)  cellular structure 
B)  DNA or RNA 
C)  a nucleus 
D)  chlorophyll 
E)  flagella for locomotion

Question 7

A bacillus bacterium would be in the shape of a

Accepted Answer

A)  sphere. 
B)  corkscrew. 
C)  rod. 
D)  filamentous chain. 
E)  letter "J". 
A)  sphere. 
B)  corkscrew. 
C)  rod. 
D)  filamentous chain. 
E)  letter "J".

Question 8

A virus that attacks a bacterium is called a/an

Accepted Answer

A)  vector. 
B)  interferon. 
C)  bactovirus. 
D)  phage. 
E)  aggressoparticle. 
A)  vector. 
B)  interferon. 
C)  bactovirus. 
D)  phage. 
E)  aggressoparticle.

Question 9

Bacillus thuringiensis is used to control a variety of plant-eating caterpillars (larvae).

Accepted Answer

A) True 
 B)False

Question 10

When blue-green bacteria carry on photosynthesis, no carbohydrates are produced.

Accepted Answer

A) True 
 B)False

Question 11

Under ideal conditions of moisture, food supply, and temperature a bacterium may undergo fission every

Accepted Answer

A)  two hours. 
B)  two minutes. 
C)  10 to 20 minutes. 
D)  two days. 
E)  30 to 60 minutes. 
A)  two hours. 
B)  two minutes. 
C)  10 to 20 minutes. 
D)  two days. 
E)  30 to 60 minutes.

Question 12

Those few blue-green bacteria capable of movement achieve movement by means of amoebalike "crawling."

Accepted Answer

A) True 
 B)False

Question 13

________, a disease once controlled by antibiotics, is spreading and once again becoming a significant threat worldwide because of the evolution of resistance to multiple antibiotics that once controlled it.

Accepted Answer

A)  Bubonic plague 
B)  Tuberculosis (T
B)  
C)  Leprosy 
D)  H1N1 influenza 
E)  Genital herpes 
A)  Bubonic plague 
B)  Tuberculosis (T
B)  
C)  Leprosy 
D)  H1N1 influenza 
E)  Genital herpes

Question 14

Thick-walled cells of Nostoc and Anabaena that can withstand freezing and other adverse conditions are called

Accepted Answer

A)  heterocysts. 
B)  holdfasts. 
C)  akinetes. 
D)  bloom cells. 
E)  aplanospores. 
A)  heterocysts. 
B)  holdfasts. 
C)  akinetes. 
D)  bloom cells. 
E)  aplanospores.

Question 15

Cells of higher animals that are invaded by viruses produce a protein called

Accepted Answer

A)  interferon. 
B)  cytochrome k. 
C)  viroamine. 
D)  phage. 
E)  fibril. 
A)  interferon. 
B)  cytochrome k. 
C)  viroamine. 
D)  phage. 
E)  fibril.

Question 16

Which feature does NOT distinguish archaebacteria from eubacteria?

Accepted Answer

A)  unique base sequences of their RNA molecules 
B)  lack of muramic acid in their cell walls 
C)  distinctive lipids 
D)  presence of ribosomes 
E)  their metabolism 
A)  unique base sequences of their RNA molecules 
B)  lack of muramic acid in their cell walls 
C)  distinctive lipids 
D)  presence of ribosomes 
E)  their metabolism

Question 17

Bacteria that are more or less spherical in shape are generally called

Accepted Answer

A)  cocci. 
B)  bacilli. 
C)  spherilli. 
D)  spirilli. 
E)  globilli. 
A)  cocci. 
B)  bacilli. 
C)  spherilli. 
D)  spirilli. 
E)  globilli.

Question 18

All of the following are features of the blue-green bacteria EXCEPT:

Accepted Answer

A)  ability to both fix nitrogen and produce oxygen. 
B)  are autotrophs that produce both sugars and oxygen using light energy. 
C)  contain chlorophyll a and the phycobilins (phycocyanin and phycoerythrin). 
D)  produce a nitrogenous food reserve called cyanophycin. 
E)  have chloroplasts similar to those of plants for photosynthesis. 
A)  ability to both fix nitrogen and produce oxygen. 
B)  are autotrophs that produce both sugars and oxygen using light energy. 
C)  contain chlorophyll a and the phycobilins (phycocyanin and phycoerythrin). 
D)  produce a nitrogenous food reserve called cyanophycin. 
E)  have chloroplasts similar to those of plants for photosynthesis.

Question 19

Viruses cannot be used to control other pests.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following is NOT involved in the reproduction or survival of blue-green bacteria?

Accepted Answer

A)  fission 
B)  heterocysts 
C)  akinetes 
D)  fusion of gametes 
E)  DNA 
A)  fission 
B)  heterocysts 
C)  akinetes 
D)  fusion of gametes 
E)  DNA

Exam 17: Domain Kingdom Bacteria, Domain Kingdom Archaea, and Viruses

Corkscrew-shaped bacteria such as Spirulina are classified as ________.

True bacteria may get their nutrition from ________.

An association of two dissimilar organisms that benefits both organisms is called ________.

Which of the following bacteria usually has an exceptionally acidic (often less than pH 2) environment?

In modern classifications of viruses, which of the following is now used initially to separate them into two major groups?

Which of the following is/are possessed by both bacteria and viruses?

A bacillus bacterium would be in the shape of a

A virus that attacks a bacterium is called a/an

Bacillus thuringiensis is used to control a variety of plant-eating caterpillars (larvae).

When blue-green bacteria carry on photosynthesis, no carbohydrates are produced.

Under ideal conditions of moisture, food supply, and temperature a bacterium may undergo fission every

Those few blue-green bacteria capable of movement achieve movement by means of amoebalike "crawling."

________, a disease once controlled by antibiotics, is spreading and once again becoming a significant threat worldwide because of the evolution of resistance to multiple antibiotics that once controlled it.

Thick-walled cells of Nostoc and Anabaena that can withstand freezing and other adverse conditions are called

Cells of higher animals that are invaded by viruses produce a protein called

Which feature does NOT distinguish archaebacteria from eubacteria?

Bacteria that are more or less spherical in shape are generally called

All of the following are features of the blue-green bacteria EXCEPT:

Viruses cannot be used to control other pests.

Which of the following is NOT involved in the reproduction or survival of blue-green bacteria?

What Is Plant Biology

The Nature of Life

Cells

Tissues

Roots and Soils

Stems

Leaves

Flowers, Fruits, and Seeds

Water in Plants

Plant Metabolism

Growth

Meiosis and Alternation of Generation

Genetics

Plant Breeding and Propagation

Evolution

Plant Names and Classification

Kingdom Protista

Kingdom Fungi

Introduction to the Plant Kingdom: Bryophytes

The Seedless Vascular Plants - Ferns and Their Relatives

Introduction to Seed Plants: Gymnosperms

Seed Plants: Angiosperms

Flowering Plants and Civilization

Ecology

Biomes

Filters