Medusa head colonies on nutrient agar is seen in?
Ans. is 'd' i.e., Anthrax BACILLUS ANTHRACIS Morphology ? Gram positive Non motile (all other members of genus Bacillus are motile) Arranged singly, in pairs or in sho chains Capsulated - entire chain being surrounded by a capsule. - Capsule is polypeptide Sporing - Spores are formed in culture or in soil but never in animal body during life. Chain of bacilli presents a bamboo stick appearance.
Pneumococcus
Legionella
Brucella
Anthrax