Biology Class 11 Chapter - 6
Prokaryotes - 7
1.
The cell wall is absent in?
a) clostridium
b) mycoplasma
c) staphylococcus
d) Cyanobacteria
2.
Which one of the following is not a bacterial component external
to cell wall?
a) cell membrane
b) capsule
c) pili
d) flegella
3.
Peptidoglycan in bacteria is a component of its?
a) cell wall
b) cytoplasm
c) genetic material
d) cell membrane
4.
Peptidoglycan is composed of?
a) protiens, sugars and lipids
b) sugars and lipids
c) protiens and lipids
d) protiens and sugars
5.
Capsule of Anthrax bacillus is made up of?
a) lipids
b) proteins
c) D-glutamic acid
d) murien
6.
The role of bacterial capsule is in the?
a) adherence to human tissues
b) digestion
c) reproduction
d) locomotion
7.
Which one of the following property is common in both Gram
possitive and Gram negative cell walls?
a) thier thickness
b) thier functions
c) thier chemical composition
d) thier structure
8.
Teichoic acid is present in?
a) none of these
b) gram possitive bacteria
c) gram negative bacteria
d) both of these
9.
Lipopolysacharide is present in?
a) both of these
b) none of these
c) gram possitive bacteria
d) gram negative bacteria
10.
Bacterial capsule is composed of?
a) oligosacharides
b) polysacharides
c) monosacharides
d) disacharides
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