The correct option is
D All of the above
- Kingdom Monera includes non-nucleated unicellular organisms. They are prokaryotes.
- They have a cell wall. They have no membrane-bound organelles such as mitochondria, golgi complex. They lack a true nucleus.
- Instead, they have nucleoid, genetic material without a nuclear membrane.
- This kingdom includes bacteria, cyanophyceae (Blue-Green algae), nitrogen-fixing organisms etc.
Thus, the correct answer is 'All of the above.'