Question

Malarial species found in South America and West Africa is

• A. Plasmodium falciparum
• B. Plasmodium vivax
• C. Plasmodium malariae
• D. Plasmodium ovale

Answer 1

The correct option is D Plasmodium ovale

• Mild tertian malaria is caused by Plasmodium ovale. The fever recurs every third day or at intervals of 48 hours.
• This type of malaria is not much harmful and is mainly confined to South America and West Africa. Tertian malaria caused by P. vivax has worldwide occurrence mainly in temperate regions.
• Quartan malaria caused by P. malariae has worldwide occurrence mainly tropical and subtropical regions.
  

Thus, the correct answer is option D.