(A) 1-2
(B) 4-6
(C) 6-8
(D) 8-10
Culture media are sterilized by:
(A) Autoclaving
(B) β-radiation
(C) Hot air oven
(D) Tyndallization
Autoclaving is done in:
(A) Dry air at 121oC and 15 lbs pressure
(B) Steam at 100oC for 30 minutes
(C) Steam at 121oC for 30 minutes
(D) Dry air at 160 oC for 30 minutes
__is nonspecific host defense related to trachea.
(A) Lacrimation
(B) Ciliary Lining
(C) Desquamation
(D) Lactic acid
An example/examples of a nonspecific chemical barrier to infection is/are:
(A) Unbroken skin
(B) Cilia in respiratory tract
(C) Lysozyme in saliva
(D) All of these
DNA is copied during a process called:
(A) Transformation
(B) Replication
(C) Translation
(D) Transcription
Those mutations that arise in the absence of known mutagen are known:
(A) Induced mutations
(B) Fused mutations
(C) Spontaneous mutations
(D) None of the above
All of the following are functions of IgG EXCEPT:
(A)
(B)
(C)
(D)