Biology Class 11 Chapter - 6
Prokaryotes - 2
1.
Which one of the following is not true about archaea?
a) its cell wall does not contains petidoglycan
b) its cell wall contains peptidoglycan
c) its glycerol is linked to branched hydrocarbon chain
d) it is a prokaryote
2.
Methanogenesis means?
a) dehydration of methane
b) hydrolysis of methane
c) degradation of methane
d) formation of methane
3.
Which one of the following is the property of archaea?
a) they are photosynthetic
b) they are all heterotrophs
c) they are non-photosynthetic
d) they can't do methanogenesis
4.
The encoding parts of genes are called as?
a) introns
b) extrons
c) exons
d) neutrons
5.
Which one of the following is a correct statement?
a) introns are absent in archaea
b) introns are present in bacteria
c) carbon chains of bacteria are unbranched
d) carbon chains of archaea are unbranched
6.
Halophile archaea are those which grow in?
a) high temperatures
b) high salt concentrations
c) low salt concentrations
d) low temperatures
7.
Which one of the following is not a habitat of methogen archaea?
a) swamps
b) marshes
c) highly saline place
d) intestinal tract of humans
8.
Hot springs,geysers and submarine thermal vents are the habitats of?
a) thermoacidophiles
b) halophiles
c) photophiles
d) methogenes
9.
Pyrulobus fumarii is the example of?
a) methogenes
b) photophiles
c) halophiles
d) thermoacidophiles
10.
Methane formed from hydrogen and carbon dioxide by archaea is called as?
a) physiogas
b) biogas
c) chemogas
d) thermogas
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