In which medium, a substance is added to a liquid medium which inhibits the growth of unwanted bacteria and favour the growth of wanted bacteria
Enrichment medium
100
Example for acid stains
Nigrosine, Picric acid, Eosin, Acid fuschin, India ink
100
Study of fungi is
Mycology
200
Colour of cow milk is slightly yellow due to the presence of
Carotene
200
Name the Kingdoms Present in R.H Whittaker Classification
Monera, Protista, Plantae, Animalia,Fungi
200
Mac-conkey medium is an example of
Transport,Enrichment,Differential medium
200
Primary stain in acid fast staining is
Carbol Fuschin
200
Important Characteristic of Yeast
1.Fully developed mitochondria is seen
2. Reproduction is by means of Budding
300
Which test is used to check the milk whether it is pausterised or not?
Phosphatase test
300
In which division of Bergeys manual of Bacteriology,Bacteria Have no cellwall.Give an Example.
Tenericutes, Mycoplasma
300
Stuarts transport medium is used for transport of specimen containing
Neisseria gonorrhoeae
300
Bacteria which have cell wall with high lipid content such as mycolic acid -a group of branched chain hydroxy lipids are stained by
Acid fast staining (Ziehl-Nelsen method)
300
In the process of freeze drying a dense cell suspension is placed in small vials and is frozen at which temperature?
-60 to -78 0C
400
Principle involved in dye reduction tests in milk is
oxidation - Reduction Reaction
400
Organisms which grows best above 45 0c are called
Thermophilic organisms
400
Example for the media which is used when specimen cannot be cultured soon
Amies,Stuart medium
400
A differential stain used for demonstrating the presence of endospores
Schaeffer Fulton spore stain
400
Most species can remain viable for 10-30 years without undergoing change in their characteristics is by means of which preservation technique
Preservation by overlaying cultures with mineral oil ( Liquid nitrogen)
500
Holding time and temperature in HTST method
71.1 0C & 15 sec
500
Example for Coffee bean shaped bacteria
Neisseria gonorrhoeae
500
Which medium is used for the growth of Diptheria
Loeffler Serum
500
Example of Specialized stain which are used to detect the presence or absence of flagella to indicate the nature of that bacterium (motile/non-motile).
Liefson stain
500
Acetylated amino sugars present in cellwall of bacteria