Which of the following is a correct statement ?
Bacteria are exclusively heterotrophic organisms
Slime moulds are saprophytic organisms classified under Kingdown Monera
Mycoplasma have DNA, Ribosome and cell wall
Cyanobacteria are a group of autotorphic organisms classified under Kingdown Monera
1) Bacteria can be photosynthetic as well
2) Slime moulids belong to the kingdom Protista
3) Mycoplasma Lack cell wall
Hence, Option (4) is correct.