Malignant pustule is referred to_________________?
(A) Facio-cervical actinomycosis
(B) Cutaneous anthrax
(C) Infected squamous cell carcinoma
(D) None of the above
The urine sample of a patient has been sent to the laboratory to look for Leptospira. The specimen is to be screened by use of the__________________?
(A) Scanning microscope
(B) Inverted microscope
(C) Dark ground microscope
(D) Electron microscope
On a stained slide, clostridium tetani has the appearance of a__________________?
(A) Bunch of a
(B) Chain of beads
(C) Drum stick
(D) Safely pin
In initial stages of tyhoid, salmonella can be detected in________________?
(A) Feacus
(B) Urine
(C) Blood
(D) All of the above
Signs of tyhoid fever is/are_____________________?
(A) Haemorrhage
(B) perforation
(C) Osteomyelitis
(D) All of the above
The structure in involved in bacterial attachment to cell surface is_______________?
(A) Capsule
(B) Fimbria
(C) Flagella
(D) None of the above
Electron microscopic examination of the bacterial flora of necrotising ulcerative gingivitis indicates the presence of microorganisms within non-necrotic tissues in advance of other bacteria. The organisms involved are______________?
(A) Cocci
(B) Spirochetes
(C) Bacteriophages
(D) Filamentous rods
The following are applicable to bacterial genoms except________________?
(A) It is composed of DNA
(B) It doe not contain histones
(C) It is circular
(D) Its DNA has both introns and extrons
Each of the following can cause food poisoning except________________?
(A) Cl. difficile
(B) Staphylococcus
(C) Cl. welchii
(D) Cl. botulinum
The bacterial cell wall has all of the following properties except______________?
(A) It consists of a mixed polymer called peptidoglycon
(B) It is the structure principally responsible for the reaction of gram staining
(C) It is a unique flexible plastic structure
(D) It contains D-isomers of amino acids