Which of the following statements is true reg | vedclass

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(D) Archaebacteria are considered to be the most ancient living organisms because they can survive in some of the most harsh habitats,such as extreme

Vedclass · Accepted Answer

They are the oldest living organisms.

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(D) Archaebacteria are considered to be the most ancient living organisms because they can survive in some of the most harsh habitats,such as extreme salty areas (halophiles),hot springs (thermoacidophiles),and marshy areas (methanogens).Their cell wall structure is different from other bacteria,which is responsible for their survival in extreme conditions.Therefore,they are often referred to as the oldest living organisms.

$(1)$ Gram-positive bacteria	$(a)$ Thermoacidophiles
$(2)$ Bacteria living in acidic medium	$(b)$ Firmicutes
$(3)$ Gram-negative bacteria	$(c)$ Halophiles
$(4)$ Bacteria living in extreme salty conditions	$(d)$ Spirochetes

Which of the following statements is true regarding Archaebacteria?

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Select the correct option for the following matches:
$(1)$ Gram-positive bacteria $(a)$ Thermoacidophiles
$(2)$ Bacteria living in acidic medium $(b)$ Firmicutes
$(3)$ Gram-negative bacteria $(c)$ Halophiles
$(4)$ Bacteria living in extreme salty conditions $(d)$ Spirochetes

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