1. Cold like symptoms are caused by which
bacteria
a) Pseudomonas
b) E.coli
c) Haemophilus influenza
d) Haemophilus streptococcus
2. In Streptococcus fecalis, the conjugation
takes place at
a) Pili
b) Cell membrane
c) Cell wall
d) Flagella
3. The infected mad dogs may contain
a) Nergi bodies
b) Niagri bodies
c) Negri bodies
d) Neisser bodies
4. What disease the Nesser will produce?
a) Mumps
b) Rubella
c) Polio
d) Measles
5. Rancidity in spoiled foods is due to
a) Lipolytic organisms
b) Proteolytic organisms
c) Toxigenic microbes
d) Saccharolytic microbes
6. The Baterium that is most commonly used
in genetic engineering is
a) Escherichia
b) Klebsiella
c) Proteius
d) Serratia
7. The functions of plasmid are
a) DNA replication
b) Protein synthesis
c) Cell wall synthesis
d) None of the above
8. Mycoplasmas are bacterial cells that
a) Fail to reproduce on artificial meida
b) Have a rigid cell wall
c) Are resistant to penicillin
d) Stain well with Gram’s stain
9. The etiologic agent of botulism is a
a) Neurotoxin
b) Endotoxin
c) Enterotoxin
d) All of the above
10. The bacterial cells are at their metabolic
peak during
a) Lag phase
b) Log
c) Stationary
d) Decline