Biology Class 11 Chapter - 6
Prokaryotes - 11
1.
Monotrichous bacteria have?
a) single flagellum at one end
b) two flagella at both ends
c) flagella over the whole body
d) two flagella at one end
2.
The attraction or repulsion of bacteria by a stimulus is called as?
a) sporulation
b) reproduction
c) locomotion
d) taxes
3.
Bacterial flegella are made up of protein called as?
a) flagellin
b) haemoglubin
c) pilin
d) myoglubin
4.
The rotatory motion of flagellum is produced by its?
a) filament
b) basal body
c) hook
5.
The genetic material of E.coli is(are)?
a) two circular DNA molecules
b) single circular DNA molecule
c) four circular DNA molecules
d) three circular DNA molecules
6.
How many chromosomes are there in the bacterial cell?
a) three
b) two
c) single
d) four
7.
Which one of the following has a single linear chromosome?
a) Vibrio
b) Clostridium
c) Borrelia
d) E.coli
8.
Plasmids in bacteria are?
a) pili protein
b) flagellar protein
c) lipoprotein
d) extrachromosomal DNA
9.
Upto date how many complete bacterial genomes have been sequenced?
a) 4
b) 6
c) 8
d) 2
10.
Bacteria that can prepare thier own food are called as?
a) saprophytic
b) symbiotic
c) autotrophic
d) heterotrophic
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