Monera Flashcards

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1
Q

Which organism is know as living fossils

A

Archaebacteria

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2
Q

What is a special feature of archaebacteria?

A

Absence of mucopeptide substances in the cell wall.

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3
Q

What makes archaebacteria survive extreme conditions?

A

Pseudomurein, namely

  • N acetyl glucose
  • N acetyl talosaminuronic acid
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4
Q

Anaerobic forms of archaebacteria-

With examples

A

-methanogens
Eg methanobacterium rumination

-halophiles
Eg- halobacterium and halococcus

-thermo acidophiles
Eg-thermoplasma

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5
Q

What is special about eubacteria?

A

Rigid cell wall and flagellum (if motile)

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6
Q

Types. Of eubacteria

A
  • Bacteria
  • Cyanobacteria (blue green algae)
  • Mycoplasma
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7
Q

What chemical component makes Cyanobacteria photosynthetic autotrophs?

A

Chlorophyll a

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8
Q

Features of Cyanobacteria

A
  • unicellular
  • colonial
  • filamentous
  • marine
  • terrestrial
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9
Q

What are Cyanobacterial colonies surrounded with?

A

Gelatinous sheath

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10
Q

Which Cyanobacteria are nitrogen fixers?

A

Heterocysts.

Eg-

  • nostoc
  • Anabaena
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11
Q

Inorganic substances chemosynthetic autotrophic Bacteria oxidise?

Where is released oxygen used?

A
  • Nitrites
  • Nitrates
  • ammonia

In production of ATP.

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12
Q

Which compounds do eubacteria recycle?

A
  • Nitrogen
  • Phosphorus
  • Iron
  • Sulphuric
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13
Q

Where do Heterotropic bacteria belong?

A

Eubacteria

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14
Q

What are diseases caused by heterotrophic bacteria?

A
  • Cholera
  • Typhoid
  • Tetanus
  • Citrus Canker
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15
Q

Smallest living cells know to survive without oxygen.

A

Mycoplasma

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16
Q

Features of mycoplasma

A
  • Lacks cell wall
  • Pathogenic
  • smallest living cell
  • can survive without oxygen
17
Q

What are the constituents of kingdom monera?

A
  • Archaebacteria

- Eubacteria