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

Bacteria are more sensitive to antibiotics
at which phase of growth curve?
a. Decline phase b. Stationary phase c. Lag phase d. Log phase

Tubercular bacilli grow best in

a. Absence of O2 b. Presence of CO2 c. Presence of O2 d. None of these