Which Rickettsia can be grown on blood
agar media?
a. Lactobacilli b. Streptobacillus c. Bacillus anthrax. d. Vibrio cholerae

Electron microscope studies does not help
in identifying the section of bacterial
spore a. Core b. Spore cortex c. Capsule. d. All of these

The diagnosis of tuberculosis is carried
out by
a. Emulator b. Antiformin method c. Petroff’s method d. Concentration method e. All of these

he pH , to be ma inta ined for the
production of penicillin is

Biological false reaction in VDRL is related
to

Pfeiffer phenomenon is related to

?

Q2

Q3

Treponeium pallidum was discovered by

Neisseria gonorrhoeae was first described
by

Streptococcus pneumoniae was isolated
by

Which is the correct statement related to
hepatitis B virus?
a. Paramyxo virus b. Orthomyxo virus c. Reo viruses d. Retro viruses

Antigenic variation is most extensive in

a. Influenza virus b. Small pox virus c. Measles virus d. Herpes virus

Which of the following are inactive viral
vaccines?
a. Influenzae b. Rabies c. Russian spring summer encephalitis d. All of these

The gene transfer occurs by –

a. Transformation b. Transduction c. Conjugation d. Cell fusion