Question

Archaebacteria can survive in extreme conditions because of the ________

(a) complex metabolic reactions in their body

(b) fact that they are the oldest life forms on the earth

(c) rigid cell wall they have

(d) double membrane nucleus

I had been asked this question by my college professor while I was bunking the class.

This is a very interesting question from Biological Classification topic in section Biological Classification of Biology – Class 11

Answer 1

Right answer is (c) rigid cell wall they have

For explanation I would say: Archaebacteria have a rigid cell wall which helps them to survive in extreme conditions like high salt concentration (halophiles) and very high temperature (thermophiles).