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(D) Mycoplasma is a genus of bacteria that lacks a cell wall around its cell membrane.Statement $(i)$ is correct because they are pleomorphic due to t

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$(i), (ii) 	ext{ and } (iv)$

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(D) Mycoplasma is a genus of bacteria that lacks a cell wall around its cell membrane.Statement $(i)$ is correct because they are pleomorphic due to the absence of a cell wall.Statement $(ii)$ is correct as they are known to be the smallest living cells.Statement $(iii)$ is incorrect because Mycoplasma are facultative anaerobes; they can survive without $O_2$.Statement $(iv)$ is correct as many species of Mycoplasma are pathogenic to both animals and plants.Therefore,statements $(i), (ii),$ and $(iv)$ are correct.

Choose the correct statements $(i - iv)$ regarding mycoplasma:
$(i)$ Mycoplasma has no cell wall.
$(ii)$ Mycoplasma is the smallest living organism known.
$(iii)$ Mycoplasma cannot survive without $O_2$.
$(iv)$ Mycoplasma are pathogenic in animals and plants.

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Choose the correct statements $(i - iv)$ regarding mycoplasma:$(i)$ Mycoplasma has no cell wall.$(ii)$ Mycoplasma is the smallest living organism known.$(iii)$ Mycoplasma cannot survive without $O_2$.$(iv)$ Mycoplasma are pathogenic in animals and plants.