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Quiz Online Uji Nyali Menghadapi Kuis Review
30 Questions
|
By Fabiounsoed | Updated: Mar 19, 2022
| Attempts: 71
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1.
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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About This Quiz
2.
What's your name?
We’ll put your name on your report, certificate, and leaderboard.
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
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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
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4.
Which nutrient that are required by microorganisms in relatively large amounts?
1. N
2. Mn
3. Mg
4. Zn
1, 2, and 3
1 and 3
2 and 4
4 only
All of the above
Submit
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
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6.
The _____ is the vegetative body of algae.
Mycelium
Plasmodium
Pseudoplasmodium
Thallus
Gametophyte
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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
Submit
8.
Which growth factors that needed for protein and nucleic acids synthesis?
1. lipid
2. amino acids
3. vitamin
4. purines and pyrimidines
1, 2, and 3
1 and 3
2 and 4
4 only
All of the above
Submit
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
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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
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11.
Archaea usually grow in a few restricted or specialized habitats, such as
Anaerobic
Hypersaline
Extremely hot
Extremely cold
All of these
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12.
The bread mold
Rhizopus stolonifer
belongs to which of the following fungal divisions?
Ascomycota
Basidiomycota
Deuteromycota
Oomycota
Zygomycota
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13.
Plant viruses may be cultivated in _____________
Tissue culture
Cultures of separated cells
Cultures of protoplants
Whole plants
All of the above
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14.
The most common method of sexual reproduction in the Protozoa is by
Conjugation
Gametangial contact
Conidiospore production
Binary fission
Binary fusion
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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
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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
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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
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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
Submit
19.
Viruses can be purified based on their size and density by use of ______________
Gradient centrifugation
Differential centrifugation
Precipitation
Filtration
All of the above
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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...
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...
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
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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
Submit
22.
The spirochetes include the causative agents for _____________
Syphilis
Lyme disease
Human pneumonia
A and B
A dan C
Submit
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
Submit
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
Submit
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
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26.
What was the first bacterium shown to cause human disease?
Anthrax
Mycobacterium
Diphtheria
Streptococcus
Escherichia
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27.
Which molecular characteristics used in taxonomy?
Genetic analysis
Morphological characteristics
Physiological and metabolic characteristics
Ecological characteristics
G+C content
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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
Submit
29.
Who used rRNA studies to group all living organism into three domains?
Whittaker
Carl Woese
Bergey
Anton von Leeuwenhoek
Robert Koch
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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)
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The ...
The ...
The most accepted scheme classifies protozoa as a subkingdom of ...
Which nutrient that are required by microorganisms in relatively large...
Which of the following are MISMATCHED?
The _____ is the vegetative body of algae.
Which ...
Which growth factors that needed for ...
Which pair of ...
The most important criteria used for classification of ...
Archaea ...
The ...
Plant viruses may be cultivated in _____________
The most common method of sexual reproduction in the Protozoa is by
Which of the following is NOT part of Koch's postulates?
Which of ...
Which of the following are MISMATCHED?
Which of the following are MISMATCHED?
Viruses ...
Which of the following are MISMATCHED?
Usually ...
The spirochetes include the causative agents for _____________
Which of the following are MISMATCHED?
Which ...
Which of the following are MISMATCHED?
What was the first bacterium shown to cause human disease?
Which molecular characteristics used in taxonomy?
Which of the ...
Who used rRNA studies to group all living organism into three domains?
Who first isolated bacterial viruses?
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