BIOLOGICAL CLASSIFICATION
KINGDOM MONERA
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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They are also called PPLO
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They are pleomorphic
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They are sensitive to penicillin
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They cause disease in plants
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Detailed explanation-1: -They are not sensitive to penicillin as they do not have a cell wall and they are pathogenic in animals and plants causing pleuropneumonia disease. Hence, The correct answer is option (C).
Detailed explanation-2: -All mycoplasmas lack a cell wall and, therefore, all are inherently resistant to beta-lactam antibiotics (e.g., penicillin).
Detailed explanation-3: -So, the correct answer is ‘They are smallest, disease-causing thin walled organisms’.
Detailed explanation-4: -Thus, the correct answer is ‘They are sensitive to penicillin. ‘
Detailed explanation-5: -M. pneumoniae is susceptible to macrolides and related antibiotics, tetracyclines and fluoroquinolones. Macrolides and related antibiotics are the first-line treatment for respiratory infections caused by M. pneumoniae.