The infectious stage of Plasmodium that enters the human body is :
(1) Trophozoites
(2) Sporozoites
(3) Female gametocytes
(4) Male gametocytes
Ans: (2) Sporozoites
Explanation: The infectious stage of Plasmodium that enters the human body is sporozoites,that are formed as a result of sexual reproduction in the gut of vector female Anopheles mosquito.These sporozoites then migrate to the salivary glands of the insect to infect next human host.