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WorksheetsG.B.Sc.N - MICROBIOLOGY-2
Total questions: 40
Worksheet time: 1hrs 20mins
What type of staining technique Gram's staining is?
Differential staining
Negative staining
Selective staining
Simple staining
What type of staining Acid-fast staining is?
Differential staining
Negative staining
Selective staining
Simple staining
Acid-fast staining is also called:
Gram's staining
Hanging drop technique
Negative staining
Ziehl-Neelson staining
It is coloring component of a stain:
Acidic dye
Alcohol
Basic dye
Chromophore
Mycolic acid is present in:
Acid fast Bacteria
Gram Negative Bacteria
Gram Positive Bacteria
Nonacid fast Bacteria
The color of Acid-fast bacteria is:
Blue
Pink
Purple
Red
The color of Non-Acid-fast bacteria is:
Blue
Pink
Purple
Red
The color of Gram negative bacteria is:
Blue
PinK
Purple
Red
The color of Gram positive bacteria is:
Blue
Pink
Purple
Red
Primary dye used in Gram staining is:
Carbol fuchsin
Crystal violet
Methylene blue
Safranin
Secondary dye used in Gram staining is:
Carbol fuchsin
Crystal violet
Methylene blue
Safranin
Secondary dye used in Acid-fast staining is:
Carbol fuchsin
Crystal violet
Methylene blue
Safranin
Primary dye used in Acid-fast staining is:
Carbol fuchsin
Crystal violet
Methylene blue
Safranin
Type of staining in which back groung is colored leaving the bacterial cells colorless is:
Differential staining
Negative staining
Selective staining
Simple staining
Type of staining in which specific component of a bacterial cells is colored is:
Differential staining
Negative staining
Selective staining
Simple staining
Fractional sterilization is also called:
Autoclaving
Desiccation
Pasteurization
Tyndallization
Type of heat used in incineration is:
Dry heat
Low temperature
Moist heat
Refrigeration
This chemical is used as a disinfectant:
Mercuric chloride
Silver nitrate
Soap
Tincture of iodine
Sterilization can be achieved by:
Autoclaving
Boiling
Filtration
Pasteurization
Chemical agents that cannot withstand long period of boiling or autoclaving can be sterilized by:
Autoclaving
Boiling
Desiccation
Fractional sterilization
Working pressure and temperature of autoclave is:
14 psi for 121 º C
15 psi for 120 º C
15 psi for 121 º C
16 psi for 122 º C
Bacteria which require their energy from sunlight are called:
Autotrophs
Chemotrophs
Heterotrophs
Phototrophs
The phase of bacterial growth curve in which rate of cell growth is equal to the death rate of bacterial cells:
Death phase
Lag phase
Log phase
Stationary phase
The phase of bacterial growth curve in which bactetial cells grow exponentially.
Death phase
Lag phase
Log phase
Stationary phase
The phase of bacterial growth curve in which bactetial cells starts dying off.
Death phase
Lag phase
Log phase
Stationary phase
Bacteria which require their energy from chemical reactions are called:
Autotrophs
Chemotrophs
Heterotrophs
Phototrophs
Bacteria which use CO2 or inorganic carbon as their carbon source are called:
Autotrophs
Chemotrophs
Heterotrophs
Phototrophs
Bacteria which use organic carbon as their carbon source are called:
Autotrophs
Chemotrophs
Heterotrophs
Phototrophs
Bacteria whose Carbon source & energy source is inorganic compounds are called:
Chemoautotrophs
Chemoheterotrophs
Photoautotrophs
Photoheterotrophs
Bacteria whose Carbon source & energy source is organic compounds are called:
Chemoautotrophs
Chemoheterotrophs
Photoautotrophs
Photoheterotrophs
Bacteria whose Carbon source is organic carbon & energy source is sunlight are called:
Chemoautotrophs
Chemohetetotrophs
Photoautotrophs
Photohetetotrophs
Bacteria whose Carbon source is inorganic carbon & energy source is sunlight are called:
Chemoautotrophs
Chemohetetotrophs
Photoautotrophs
Photohetetotrophs
Autotrophs are also called:
Heterotrophs
Lithotrophs
Organotrophs
Phototrophs
Heterotrophs are also called:
Autotrophs
Lithotrophs
Organotrophs
Phototrophs
Photoautotrophs are also called:
Chemolithotrophs
Chemoorganotrophs
Photolithotrophs
Photoorganotrophs
Photoheterotrophs are also called:
Chemolithotrophs
Chemoorganotrophs
Photolithotrophs
Photoorganotrophs
Chemoheterotrophs are also called:
Chemolithotrophs
Chemoorganotrophs
Photolithotrophs
Photoorganotrophs
Chemoautotrophs are also called:
Chemolithotrophs
Chemoorganotrophs
Photolithotrophs
Photoorganotrophs
Killing of a bacterial cell is:
Bactericidal
Bacteristatic
Fungicidal
Fungistatic
Inhibiting bacterial growth is:
Algaestatic
Bactericidal
Bacteristatic
Fungistatic
