NEET Botany Biological Classification Questions Solved

NEET - 2013

Which of the following are likely to be present in deep sea water ?

(1) Archaebacteria

(2) Eubacteria

(3) Blue-green algae

(4) Saprophytic fungi

Audio Explanation:


(1)The archaebacteria have the ability to survive in harsh conditions. The pressure inside the deep sea water is high so the quality of archaebacteria to survive in harsh conditions makes it survive in high pressure environment.There is less light and sometimes there is hydrothermal vent but these bacterias can survive there as well. Peptidoglycan is absent and a semi rigid structure maintains the cell shape and cell wall is composed of different kind of protein and polysaccharide. This cell composition makes it stay there.

Difficulty Level:

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