1. Bacteria whose cells have only a single curve are known
Answer:
1. a) vibrio
2. d) all of these
3. b) Beggiatoa
4. a) Prions
5. b) an integrated viral genome
6. b) Weismann
7. d) a well defined nucleus
8. b) bacteria
9. a) plasmid
10. d) both b and c
a) vibrio
b) cocci
c) sprilla
d) bacilli
2. Plasmid
a)replicate
independently of the main chromosome
b)often contain
antibiotic resistance genes
c)are transferred
from one bacterium to another by conjugation
d)all of these
3. Largest among sulphur bacteria are
a) Chlorobium
b) Beggiatoa
c)Thiobacillus
d) Chromatium
4. Infectious proteins
a) Prions
b)Virusoids
c) Virion
d) None of
these
5. Provirus is
a)a free DNA
b) an
integrated viral genome
c) a free virus
d)a primitive virus
6. Germ theory of disease was putforth by
a)Edward Jenner
b)Weismann
c)Louis
Pasteur
d)Robert Koch
7.Bacteria differ from other plants in that they do not have
a)DNA
b)RNA
c)cell wall
d)a well defined nucleus
8. Bacteriophage kill
a) viruses
b) bacteria
c) viruses and
bacteria
d) none of
these
9. Mesosome in a bacteria cell is?
a) plasmid
b) plasma membrane infolding for
respiration
c) connection
between two adjacent cells
d) none of these
10. The wall of bacteria consists of
a) Cellulose
b) N acetyl
glucosamine
c) N acetyl
muramic acid
d) both b and c
Learn more: