Biology Class 11 Chapter - 6
Prokaryotes - 12
1.
Bacteria which requires oxygen for the process of respiration are
called as?
a) methanogenes
b) aerobic
c) thermophilic
d) anaerobic
2.
Bacteria which requires a low concentration of oxygen for growth
are called as?
a) megathermophilic
b) megaaerophilic
c) microaerophilic
d) microthermophilic
3.
The bacterium campylobacter is?
a) megaaerophilic
b) megathermophilic
c) microthermophilic
d) microaerophilic
4.
The blue green colour of cyanobacteria is due to?
a) phycocyanin and phycoerythrin
b) chlorophyll only
c) phycocyanin and chlorophyll
d) chlorophyll and phycoerythrin
5.
Cyanobacteria generate oxygen during photosynthesis from?
a) carbonates
b) carbon dioxide
c) glucose
d) water
6.
Cyanobacterial photosynthetic system resembles eukaryotes due to having?
a) chlorophyll b and PS I
b) chlorophyll b and PS II
c) chlorophyll a and PS I
d) chlorophyll a and PS II
7.
In cyanobacteria, the photosynthetic pigments are located in?
a) thylakoid membranes
b) flagella
c) nucleus
d) cell wall
8.
Cyanobacteria use phycobilins as accessory pigments. Thier
predominant phycobilin is?
a) phycoerythrin
b) leutin
c) chlorophyll
d) phycocyanin
9.
Bacteria reproduce by?
a) multiple fission
b) binary fission
c) budding
d) fragmentation
10.
A single bacterium give rise to two bacterial ells. How many bacteria are produced after 4 generations?
a) 20
b) 12
c) 4
d) 16
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