NEET 2017 Botany Bacteria and Viruses MCQ Question
Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen?
Bacillus
Pseudomonas
Mycoplasma
Nostoc
Correct Answer
Detailed Explanation
Mycoplasma are the smallest living cells, lacking a cell wall, and are known to be pathogenic to both plants and animals. They can survive in anaerobic conditions.
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