Introduction to Microbiology
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Questions and Answers

What is the estimated total number of bacterial cells in the modern era of microbiology?

  • 1.5 x 10^20 cells
  • 3.5 x 10^25 cells
  • 2.5 x 10^30 cells (correct)
  • 4.0 x 10^35 cells

    • Which microorganism is responsible for the production of Lactose-free milk?

  • Acetobacter aceti
  • Rhizopus spp.
  • Propionibacterium freudenreichii (correct)
  • Saccharomyces cerevisiae

    • What is the role of Prochlorophytes in the ecosystem?

  • Major contributor of primary productivity in the open oceans (correct)
  • Help in recycling chemical elements in the air
  • Involved in wine fermentation
  • Responsible for vinegar production

    • Which microorganism is associated with the production of vinegar?

    <p>Acetobacter aceti</p> Signup and view all the answers

    What process do microorganisms contribute to in oceans, lakes, and rivers?

    <p>Basis of food chain</p> Signup and view all the answers

    Which microbe is involved in the production of rice cake (puto)?

    <p>Streptococcus spp.</p> Signup and view all the answers

    Who is known as the Father of Industrial Fermentation?

    <p>Chaim Weizmann</p> Signup and view all the answers

    Which antibiotic was discovered by Dr. Abelardo Aguilar in 1949?

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

    What is the main focus of Zeenat et al.'s research mentioned in the text?

    <p>Plastics degradation by microbes</p> Signup and view all the answers

    Which process leads to the production of acetone using Clostridium acetobutylicum?

    <p>Industrial Fermentation</p> Signup and view all the answers

    Which country could prevent up to 73% crop losses using GM insect-resistant Bt eggplant?

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

    What area does the US Environmental Protection Agency focus on in relation to pollution control?

    <p>Bioremediation and biodegradation</p> Signup and view all the answers

    What is the primary focus of the field of microbiology?

    <p>The study of single-celled organisms and agents too small to be seen with the naked eye</p> Signup and view all the answers

    Which of the following is NOT a basic specialization under microbiology?

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

    What does the abbreviation 'nm' stand for in the context of measurement units?

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

    Which of the following is NOT mentioned as a scope of microbiology?

    <p>Taxonomy and classification of plants</p> Signup and view all the answers

    Which of the following is an applied field of microbiology?

    <p>All of the above</p> Signup and view all the answers

    What is the relationship between microns and millimeters as stated in the text?

    <p>$1$ micron = $10^{-6}$ mm</p> Signup and view all the answers

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