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  • Question
  • Gram staining was introduced by


  • Options
  • A. Christian gram
  • B. Alfred Gram
  • C. Robertcook
  • D. Louis Pasteur

  • Correct Answer
  • Christian gram 


  • Micro Organisms problems


    Search Results


    • 1. Mycoplasmas, rickettsiae, and chlamydiae are

    • Options
    • A. types of fungi
    • B. small bacteria
    • C. species of protozoa
    • D. forms of viruses
    • Discuss
    • 2. Primary differences between cilia and flagella are

    • Options
    • A. arrangement of microtubules
    • B. length and location of basal bodies
    • C. how the microtubules are fused to each other
    • D. number, length and direction of force
    • Discuss
    • 3. The Archaea include all of the following except

    • Options
    • A. methanogens
    • B. halophiles
    • C. thermoacidophiles
    • D. cyanobacteria
    • Discuss
    • 4. In the three domain system of classification, the traditional bacteria are placed in the

    • Options
    • A. eukarya
    • B. archaea
    • C. eubacteria
    • D. none of these
    • Discuss
    • 5. Living organisms have many complex characteristics. Which one of the following is shared by non-living matter as well?

    • Options
    • A. Homeostasis
    • B. Tissues
    • C. Reproduction
    • D. Molecules
    • Discuss
    • 6. Which cell type is considered to have the oldest ancestor?

    • Options
    • A. Archaea
    • B. Bacteria
    • C. Eukarya
    • D. they all share the same ancestor
    • Discuss
    • 7. Who was the inventor of the Petri dish?

    • Options
    • A. R.J. Petri, an assistant of R. Koch
    • B. A famous French cook
    • C. Italian glass blower from Petri, Italy
    • D. None of the above
    • Discuss
    • 8. The third kingdom, protista, as suggested by E.H. Haeckel includes

    • Options
    • A. bacteria
    • B. algae
    • C. fungi
    • D. all of these
    • Discuss
    • 9. Various bacterial species can be subdivided into

    • Options
    • A. subspecies
    • B. biovarieties
    • C. serovarieties
    • D. all of these
    • Discuss
    • 10. Most microbial structures and enzymes are composed of

    • Options
    • A. lipids
    • B. proteins
    • C. carbohydrates
    • D. lipids and carbohydrates
    • Discuss


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