Quiz Online Uji Nyali Menghadapi Kuis Review

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  • 1/30 Questions

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

    • Archaea, Bacteria, Fungi, Plants, Animals
    • Monera, Protista, Plants, Animals, Fungi
    • Monera, Protista, Archaea, Animals, Fungi
    • Monera, Protista, Plants, Animals, Archaea
    • Viruses, Protista, Plants, Animals, Fungi
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  • 2. 

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

    • Radiation

    • Desiccation

    • Radiation and desiccation

    • Extreme temperatures

    • Saline environments

    Correct Answer
    A. Radiation and desiccation
  • 3. 

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

    • Types of nuclei

    • Mode of reproduction

    • Mechanism of locomotion

    • A, B, and C

    • A and B

    Correct Answer
    A. A, B, and C
  • 4. 

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

    • 1, 2, and 3

    • 1 and 3

    • 2 and 4

    • 4 only

    • All of the above

    Correct Answer
    A. 1 and 3
  • 5. 

    Which of the following are MISMATCHED?

    • Protozoa - unicellular, eucaryotic protists that are usually motile

    • Lithotrophs - use reduced inorganic compounds as their electron source

    • Organotrophs - use reduced organic compounds as their electron source

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

    • Chemotrophs - use reduced, preformed organic molecules as carbon sources

    Correct Answer
    A. Chemotrophs - use reduced, preformed organic molecules as carbon sources
  • 6. 

    The _____ is the vegetative body of algae.

    • Mycelium

    • Plasmodium

    • Pseudoplasmodium

    • Thallus

    • Gametophyte

    Correct Answer
    A. Thallus
  • 7. 

    Which of the following criteria can be used to classify animal Viruses?

    • Morphology

    • Physical and chemical nature of virion

    • Genetic relatedness

    • All of the above

    • None of the above

    Correct Answer
    A. All of the above
  • 8. 

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

    • 1, 2, and 3

    • 1 and 3

    • 2 and 4

    • 4 only

    • All of the above

    Correct Answer
    A. 2 and 4
  • 9. 

    Which pair of microorganisms would you expect to be most closely related?

    • Yeasts and actinomycetes

    • Staphylococcus and Escherichia

    • Streptococcus pyogenes type a and Streptococcus pyogenes type b

    • Enterobacter aerogenes and Enterobacter cloacae

    • Micrococcus and Staphylococcus

    Correct Answer
    A. Streptococcus pyogenes type a and Streptococcus pyogenes type b
  • 10. 

    The most important criteria used for classification of bacteriophage are

    • Type of DNA and RNA

    • Phage morphology and nucleic acid properties

    • Sequence of DNA and RNA

    • Type of protein and lipid

    • A and C

    Correct Answer
    A. Phage morphology and nucleic acid properties
  • 11. 

    Archaea usually grow in a few restricted or specialized habitats, such as

    • Anaerobic

    • Hypersaline

    • Extremely hot

    • Extremely cold

    • All of these

    Correct Answer
    A. All of these
  • 12. 

    The bread mold Rhizopus stolonifer belongs to which of the following fungal divisions?

    • Ascomycota

    • Basidiomycota

    • Deuteromycota

    • Oomycota

    • Zygomycota

    Correct Answer
    A. Zygomycota
  • 13. 

    Plant viruses may be cultivated in _____________

    • Tissue culture

    • Cultures of separated cells

    • Cultures of protoplants

    • Whole plants

    • All of the above

    Correct Answer
    A. All of the above
  • 14. 

    The most common method of sexual reproduction in the Protozoa is by

    • Conjugation

    • Gametangial contact

    • Conidiospore production

    • Binary fission

    • Binary fusion

    Correct Answer
    A. Conjugation
  • 15. 

    Which of the following is NOT part of Koch's postulates?

    • The microorganism is never found in healthy animals

    • The microorganisms is always found in diseased animals

    • The microorganism must cause disease in healthy animals

    • The microorganism must secrete a toxin in culture

    Correct Answer
    A. The microorganism must secrete a toxin in culture
  • 16. 

    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.

    • 1, 2, and 3

    • 1 and 3

    • 2 and 4

    • Only 4

    • All of above

    Correct Answer
    A. 1, 2, and 3
  • 17. 

    Which of the following are MISMATCHED?

    • Sulfolobus - Oxidize sulfur to sulfuric acid

    • Thermoproteus - They have temperature optima from 30-37°C and pH optima from 2.5 to 6.5

    • Halobacteria – They require at least 1.5 M NaCl

    • Thermoplasms - Thermoacidic organisms that lack cell walls

    • Methanogens - They may be an ecological problem

    Correct Answer
    A. Thermoproteus - They have temperature optima from 30-37°C and pH optima from 2.5 to 6.5
  • 18. 

    Which of the following are MISMATCHED?

    • Temperate phages - a nonlytic relationship with their hosts

    • Bacteriophages - viruses that infect bacteria

    • Nucleocapsid - The nucleic acid plus the surrounding capsid

    • Prions - Proteinaceous infectious particles (PrP) that are associated with a nucleic acid

    • Parvoviruses (ssDNA) – They have a very small genome with overlapping genes; use host enzymes for all biosynthetic process

    Correct Answer
    A. Prions - Proteinaceous infectious particles (PrP) that are associated with a nucleic acid
  • 19. 

    Viruses can be purified based on their size and density by use of ______________

    • Gradient centrifugation

    • Differential centrifugation

    • Precipitation

    • Filtration

    • All of the above

    Correct Answer
    A. Gradient centrifugation
  • 20. 

    Which of the following are MISMATCHED?

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

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

    • 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

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

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

    Correct Answer
    A. Exponential (log) phase - the period in which the number of viable microorganisms remains constant
  • 21. 

    Usually viruses are separated into several large groups based primarily on ________

    • Nature of the host

    • Nucleic acid characteristics

    • Capsid symmetry

    • Presence of an envelope and ether sensitivity

    • Diameter of the viroin or nucleocapsid

    Correct Answer
    A. Nature of the host
  • 22. 

    The spirochetes include the causative agents for _____________

    • Syphilis

    • Lyme disease

    • Human pneumonia

    • A and B

    • A dan C

    Correct Answer
    A. A and B
  • 23. 

    Which of the following are MISMATCHED?

    • Temperate phages - a nonlytic relationship with their hosts

    • Bacteriophages - viruses that infect bacteria

    • Prions - Proteinaceous infectious particles (PrP) that are associated with a nucleic acid

    • Nucleocapsid - The nucleic acid plus the surrounding capsid

    • Parvoviruses (ssDNA) – They have a very small genome with overlapping genes; use host enzymes for all biosynthetic process

    Correct Answer
    A. Prions - Proteinaceous infectious particles (PrP) that are associated with a nucleic acid
  • 24. 

    Which of the following are TRUE about basidiomycetes (club fungi)? 1.Some mushrooms serve as food 2.Basidia are produced at the tips of the hyphae 3.Basidiospores are held in fruiting bodies called basidiocarps 4.Many basidomycetes are decomposers

    • 1, 2, and 3

    • 1 and 3

    • 2 and 4

    • 4 only

    • All of the above

    Correct Answer
    A. All of the above
  • 25. 

    Which of the following are MISMATCHED?

    • Protozoa - unicellular, eucaryotic protists that are usually motile

    • Ectoplasm - the gelatinous cytoplasm just inside the plasma membrane; it provides some rigidity and shape

    • Contractile vacuoles - sites of food digestion

    • Encystation - the development of a resting stage structure called a cyst

    • Cyst - a dormant form that has a wall and greatly reduced metabolic activity

    Correct Answer
    A. Contractile vacuoles - sites of food digestion
  • 26. 

    What was the first bacterium shown to cause human disease?

    • Anthrax

    • Mycobacterium

    • Diphtheria

    • Streptococcus

    • Escherichia

    Correct Answer
    A. Anthrax
  • 27. 

    Which molecular characteristics used in taxonomy?

    • Genetic analysis

    • Morphological characteristics

    • Physiological and metabolic characteristics

    • Ecological characteristics

    • G+C content

    Correct Answer
    A. G+C content
  • 28. 

    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

    • 1, 2, and 3

    • 1 and 3

    • 2 and 4

    • 4 only

    • All of the above

    Correct Answer
    A. All of the above
  • 29. 

    Who used rRNA studies to group all living organism into three domains?

    • Whittaker

    • Carl Woese

    • Bergey

    • Anton von Leeuwenhoek

    • Robert Koch

    Correct Answer
    A. Carl Woese
  • 30. 

    Who first isolated bacterial viruses?

    • Felix díHerelle (1917)

    • Edward Jenner (1798)

    • Frederick Twort (1915)

    • W.M. Stanley (1935)

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

    Correct Answer
    A. Frederick Twort (1915)

Quiz Review Timeline (Updated): Mar 19, 2022 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 19, 2022
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 02, 2009
    Quiz Created by
    Fabiounsoed
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