Microbiology MCQ 2//

     6.       Prokaryotic ribosomes are called:

a.       70s ribosomes

b.      80s ribosomes

c.       90s ribosomes

d.      60s ribosomes

     7.      The prokaryotic cells constitute one of the following features:

a.       Mitochondria

b.      Mesosome

c.       Cytoplasmic streaming

d.      Nucleolus

      8.      The mode of action of ultraviolet radiation as control agent is stated as:

a.       Dissolution of cell wall

b.      Formation of pyrimidine dimmer

c.       Formation of purine dimmer

d.      Penetration of mitochondria

      9.      Grape- cluster of bacteria are characteristics of

a.       Staphylococcus

b.      Streptococcus

c.       Pneumococcus

d.      E. coli

    10.  The dye used for negative staining is:

a.       Safranin

b.      Giemsa

c.       India ink

d.      Iodine