Chapter 6 And 7

8 Questions | Total Attempts: 83

SettingsSettingsSettings
Please wait...
Chapter 6 And 7

Quiz on Chapter 6: Viruses and on Chapter 7: Elements of micobial nutrition, ecology and growth


Questions and Answers
  • 1. 
    Who postulated that rabies was caused by a Virus?
    • A. 

      Antoni van Leeuwenhoek

    • B. 

      Louis Pasteur

    • C. 

      John Tyndall

    • D. 

      Ferdinand Cohn

  • 2. 
    _____ must be probvided to an organism.
  • 3. 
    Misfolded proteins, contain no nucleic acid.
    • A. 

      Prions

    • B. 

      Oncoviruses

    • C. 

      Lysis

    • D. 

      Capsid

  • 4. 
    96% of the cell is composed of these elements:-Carbon-Hydrogen-Oxygen-Phosphorous-Sulfur and
    • A. 

      Magnesium

    • B. 

      Potassium

    • C. 

      Nitrogen

    • D. 

      Zinc

  • 5. 
    Viruses bear no resemblance to cells?
    • A. 

      True

    • B. 

      False

  • 6. 
    ________, a kind of chemoautotroph, produce methane gas under anaerobic conditions.
  • 7. 
    ______ are protein coats that enclose and protect their nucleic acid.
  • 8. 
    Chemoautotrophs (lithoautotrophs) survive totally on organic substances.
    • A. 

      True

    • B. 

      False