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Question

Smallest organisms, self reproducing in free living state are

A
Bacteria
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B
PPLO
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C
Prions
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D
Viruses
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Solution

The correct option is B PPLO
Mycoplasma are smallest living cells known that are capable of reproduction in free living state. They are also cally as PPLO or Pleuropneumonia-Like Organisms. They lack cell wall around their cellular membrane. Due to lack of cell wall, they are resistant to antibiotics like penicillin. They are anaerobic organisms. They can survive without oxygen.
Thus, the correct answer is 'PPLO.'

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