Topic: Monera, Protista and Fungi· Diversity in Living World
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 ?
1. \(\textit{Pseudomonas}\)
2. Mycoplasma
3. \(\textit{Nostoc}\)
4. \(\textit{Bacillus}\)