Question

Name the protozoan species that is responsible for causing the most serious and even fatal malarial disease.

Hint:

Always underline scientific names or write them in italics. "Malignant" is the keyword associated with \textit{P. falciparum}.

Answer 1

Step 1: Understanding the Concept: 
Malaria is caused by various species of the genus Plasmodium. The severity of the fever and complications depends on the specific species involved. 
Step 2: Detailed Explanation: 
There are four species that cause human malaria: P. vivax, P. malariae, P. ovale, and P. falciparum. 
Malignant malaria caused by Plasmodium falciparum is the most serious one and can even be fatal due to complications like cerebral malaria. 
Step 3: Final Answer: 
Plasmodium falciparum.