- A Trypanosoma
- B Plasmodium
- C Entamoeba
- D Paramecium
Correct answer: B. Plasmodium
Explanation: Plasmodium is a sporozoan protist that causes malaria. Trypanosoma causes sleeping sickness and Entamoeba causes amoebic dysentery.
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.