- A Monera
- B Protista
- C Plantae
- D Fungi
Correct answer: A. Monera
Explanation: Cyanobacteria are prokaryotes, so they belong to Monera.
Concept context
Whittaker's five kingdom system covering Monera, Protista, Fungi, plus viruses, viroids, and lichens. A foundational NEET chapter on how living organisms are grouped.