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Questions  

Statement A: Archaebacteria can survive in extremes of conditions such as high salinity and high temperature conditions.
Statement B: Cell wall composition of archaebacteria is different from eubacteria. 
 

a
Both statements A and B are incorrect.
b
Statement A is correct and B is incorrect
c
Statement A is incorrect and B is correct.
d
Both statements A and B are correct.

detailed solution

Correct option is D

Archaebacteria can survive in extremities of conditions such as high temperature, salinity, pressures, acidic conditions, anaerobic conditions etc. because their cell wall has pseudo-murein and cell membrane has branched lipids and ether bonds exist between lipid molecules.

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(b) They are anaerobic organisms.


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