Quiz Online Uji Nyali Menghadapi Kuis Review
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
- 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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