Quiz Online Uji Nyali Menghadapi Kuis Review

30 Questions | Total Attempts: 68

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Quiz Online Uji Nyali Menghadapi Kuis Review - Quiz

QUIZ ONLINE UJI NYALI MENGHADAPI KUIS REVIEW HARI SELASA 7 APRIL 2009 18. B1J007009 CUCU KUSMAYANTI 1)60 2)60 3)70 4)60 5)100 6)100


Questions and Answers
  • 1. 
    What was the first bacterium shown to cause human disease?
    • A. 

      Anthrax

    • B. 

      Mycobacterium

    • C. 

      Diphtheria

    • D. 

      Streptococcus

    • E. 

      Escherichia

  • 2. 
    Who used rRNA studies to group all living organism into three domains?
    • A. 

      Whittaker

    • B. 

      Carl Woese

    • C. 

      Bergey

    • D. 

      Anton von Leeuwenhoek

    • E. 

      Robert Koch

  • 3. 
    Which molecular characteristics used in taxonomy?
    • A. 

      Genetic analysis

    • B. 

      Morphological characteristics

    • C. 

      Physiological and metabolic characteristics

    • D. 

      Ecological characteristics

    • E. 

      G+C content

  • 4. 
    The Whittaker five kingdom system of classification divides living organisms into which of the following kingdoms?
    • A. 

      Archaea, Bacteria, Fungi, Plants, Animals

    • B. 

      Monera, Protista, Plants, Animals, Fungi

    • C. 

      Monera, Protista, Archaea, Animals, Fungi

    • D. 

      Monera, Protista, Plants, Animals, Archaea

    • E. 

      Viruses, Protista, Plants, Animals, Fungi

  • 5. 
    The deinococci are gram-positive cocci and rods that are distinctive in their unusually great resistance to ___________
    • A. 

      Radiation

    • B. 

      Desiccation

    • C. 

      Radiation and desiccation

    • D. 

      Extreme temperatures

    • E. 

      Saline environments

  • 6. 
    The spirochetes include the causative agents for _____________
    • A. 

      Syphilis

    • B. 

      Lyme disease

    • C. 

      Human pneumonia

    • D. 

      A and B

    • E. 

      A dan C

  • 7. 
    Archaea usually grow in a few restricted or specialized habitats, such as
    • A. 

      Anaerobic

    • B. 

      Hypersaline

    • C. 

      Extremely hot

    • D. 

      Extremely cold

    • E. 

      All of these

  • 8. 
    The bread mold Rhizopus stolonifer belongs to which of the following fungal divisions?
    • A. 

      Ascomycota

    • B. 

      Basidiomycota

    • C. 

      Deuteromycota

    • D. 

      Oomycota

    • E. 

      Zygomycota

  • 9. 
    The _____ is the vegetative body of algae.
    • A. 

      Mycelium

    • B. 

      Plasmodium

    • C. 

      Pseudoplasmodium

    • D. 

      Thallus

    • E. 

      Gametophyte

  • 10. 
    The most common method of sexual reproduction in the Protozoa is by
    • A. 

      Conjugation

    • B. 

      Gametangial contact

    • C. 

      Conidiospore production

    • D. 

      Binary fission

    • E. 

      Binary fusion

  • 11. 
    The most accepted scheme classifies protozoa as a subkingdom of protists, containing seven phyla; classification is based primarily on ___________
    • A. 

      Types of nuclei

    • B. 

      Mode of reproduction

    • C. 

      Mechanism of locomotion

    • D. 

      A, B, and C

    • E. 

      A and B

  • 12. 
    Who first isolated bacterial viruses?
    • A. 

      Felix díHerelle (1917)

    • B. 

      Edward Jenner (1798)

    • C. 

      Frederick Twort (1915)

    • D. 

      W.M. Stanley (1935)

    • E. 

      F. C. Bawden and N. W. Pirie (1935)

  • 13. 
    Usually viruses are separated into several large groups based primarily on ________
    • A. 

      Nature of the host

    • B. 

      Nucleic acid characteristics

    • C. 

      Capsid symmetry

    • D. 

      Presence of an envelope and ether sensitivity

    • E. 

      Diameter of the viroin or nucleocapsid

  • 14. 
    Which pair of microorganisms would you expect to be most closely related?
    • A. 

      Yeasts and actinomycetes

    • B. 

      Staphylococcus and Escherichia

    • C. 

      Streptococcus pyogenes type a and Streptococcus pyogenes type b

    • D. 

      Enterobacter aerogenes and Enterobacter cloacae

    • E. 

      Micrococcus and Staphylococcus

  • 15. 
    Plant viruses may be cultivated in _____________
    • A. 

      Tissue culture

    • B. 

      Cultures of separated cells

    • C. 

      Cultures of protoplants

    • D. 

      Whole plants

    • E. 

      All of the above

  • 16. 
    Viruses can be purified based on their size and density by use of ______________
    • A. 

      Gradient centrifugation

    • B. 

      Differential centrifugation

    • C. 

      Precipitation

    • D. 

      Filtration

    • E. 

      All of the above

  • 17. 
    The most important criteria used for classification of bacteriophage are
    • A. 

      Type of DNA and RNA

    • B. 

      Phage morphology and nucleic acid properties

    • C. 

      Sequence of DNA and RNA

    • D. 

      Type of protein and lipid

    • E. 

      A and C

  • 18. 
    Which of the following criteria can be used to classify animal Viruses?
    • A. 

      Morphology

    • B. 

      Physical and chemical nature of virion

    • C. 

      Genetic relatedness

    • D. 

      All of the above

    • E. 

      None of the above

  • 19. 
    Which nutrient that are required by microorganisms in relatively large amounts?1. N2. Mn3. Mg4. Zn
    • A. 

      1, 2, and 3

    • B. 

      1 and 3

    • C. 

      2 and 4

    • D. 

      4 only

    • E. 

      All of the above

  • 20. 
    Which growth factors that needed for protein and nucleic acids synthesis?1. lipid2. amino acids3. vitamin4. purines and pyrimidines
    • A. 

      1, 2, and 3

    • B. 

      1 and 3

    • C. 

      2 and 4

    • D. 

      4 only

    • E. 

      All of the above

  • 21. 
    Which of the following is NOT part of Koch's postulates?
    • A. 

      The microorganism is never found in healthy animals

    • B. 

      The microorganisms is always found in diseased animals

    • C. 

      The microorganism must cause disease in healthy animals

    • D. 

      The microorganism must secrete a toxin in culture

  • 22. 
    Which of the following are TRUE about archaea? 1. They may stain gram positive or gram negative 2. They may be spherical, rod-shaped, spiral, lobed, plate-shaped, irregularly shaped or pleomorphic 3. They may be aerobic, facultatively anaerobic, or strictly anaerobic 4. They are often found in extreme aquatic and terrestrial habitats
    • A. 

      1, 2, and 3

    • B. 

      1 and 3

    • C. 

      2 and 4

    • D. 

      4 only

    • E. 

      All of the above

  • 23. 
    Which of the following are MISMATCHED?
    • A. 

      Lag phase - the period of apparent inactivity in which the cells are adapting to a new environment

    • B. 

      Exponential (log) phase - the period in which the number of viable microorganisms remains constant

    • C. 

      Turbidostat - a continuous culture device that regulates the flow rate of media through the vessel in order to maintain a predetermined turbidity or cell density

    • D. 

      Psychrophiles – They can grow well at 0°C, have optimal growth at 15°C or lower, and usually will not grow above 20°C

    • E. 

      Quorum sensing (autoinduction) - a process by which bacteria can communicate and behave cooperatively

  • 24. 
    Which of the following are true about agar? 1) liquefies at 100°C.  2) a polysaccharide derived from a red alga.  3) solidifies at approximately 40°C. 4) is metabolized by many bacteria.
    • A. 

      1, 2, and 3

    • B. 

      1 and 3

    • C. 

      2 and 4

    • D. 

      Only 4

    • E. 

      All of above

  • 25. 
    Which of the following are MISMATCHED?
    • A. 

      Protozoa - unicellular, eucaryotic protists that are usually motile

    • B. 

      Lithotrophs - use reduced inorganic compounds as their electron source

    • C. 

      Organotrophs - use reduced organic compounds as their electron source

    • D. 

      Autotrophs - use carbon dioxide as their sole or principal carbon source

    • E. 

      Chemotrophs - use reduced, preformed organic molecules as carbon sources

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