<prompt> Infectious stage of plasmodium is:TrophozoiteCryptozoiteSporozoiteMerozoite  <response>: Ans. cRef: Medical Parasitology by D.R. Arora and B. Arora, 2nd editionMalaria parasites exhibit a complex life cycle involving alternating cycles of asexual division schizogony occurring in man intermediate host and sexual development sporogony in mosquito definitive host. Thus, malaria exhibits alteration of generation. The sporozoite is the infective stage found in the salivary gland of the female mosquito. 