Actinobacteria Characteristics and Morphology Quiz
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Questions and Answers

What is the characteristic Gram status of Actinobacteria?

  • Gram-variable
  • Gram-stain independent
  • Gram-positive (correct)
  • Gram-negative

    • Which of the following is NOT a characteristic of Actinobacteria?

  • Produce mycelium
  • Can be heterotrophic or chemoautotrophic
  • Anaerobic (correct)
  • High GC Content

    • What is the primary source of antibiotics among Actinobacteria?

  • Streptomyces (correct)
  • Micrococcus
  • Arthrobacter
  • Nocardia spp.

    • Which type of Actinobacteria morphology is associated with Streptomyces species?

    <p>Differentiated Branched Mycelia</p> Signup and view all the answers

    What is the industrial application of Actinobacteria mentioned in the text?

    <p>Antibiotic production</p> Signup and view all the answers

    Which type of Actinobacteria is specifically mentioned as being acidophilic in the text?

    <p>Halophilic (Micromonospora)</p> Signup and view all the answers

    Which Actinobacteria produces Tetranactin used against carmine mites of fruits and tea?

    <p>Thermoactinomyces</p> Signup and view all the answers

    Which biological control agent is effective in combating Fusarium wilt of banana?

    <p>Siderophore (S. griseorubiginouse)</p> Signup and view all the answers

    Which Actinobacteria is known for synthesizing and excreting dark pigments like melanin or melanoid?

    <p>Streptomyces rimosus</p> Signup and view all the answers

    Which Actinobacteria is involved in producing glucose-based glycolipids and daptomycin, acting as biosurfactants?

    <p>Streptomyces sp.</p> Signup and view all the answers

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