What kind of similarities are not targeted for evolving better classification system?

  1. Morphological
  2. Physiological
  3. Phylogenetic
  4. Behavioral
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Which is not correct with respect to bacteria?

  1. Sole members of kingdom monera
  2. Most abundant organisms
  3. Snow does not host any life forms
  4. Endo or ecto parasite
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Comma shaped bacteria are

  1. coccus
  2. Vibrio
  3. Bacilli
  4. Spirillum
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Which of the following is incorrect about bacteria?

  1. Simple structure
  2. Not so extensive metabolic activity
  3. Complex behaviour
  4. Can be autotrophic
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Which of the following is not archaebacteria?

  1. Halophile
  2. Thermoalkalophiles
  3. Methanogens
  4. Thermoacidophiles
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Hot spring hosts which kind of archaebacteria?

  1. Thermoacidophiles
  2. Thermoalkalophiles
  3. Thermophiles
  4. Thermoneutrophiles
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Which organisms are responsible for the production of  biogas?

  1. Archaebacteria
  2. Eubactetia
  3. Mycoplasma
  4. Protists
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The characteristic feature of eubacteria is -

  1. Rigid cell wall
  2. Flagellum in motile ones
  3. Chlorophyll a
  4. all of these
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Cyanobacteria do not possess which feature?

  1. Unicellular
  2. Colonial or filamentous
  3. Form blooms in polluted water bodies
  4. Only marine algae
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The specialised cells to fix atmospheric nitrogen is called as

  1. Heterocyst
  2. Heterocyte
  3. Heterocoem
  4. Heterolog
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