Class 12 NEET Biology Human Health and Diseases Questions Part 1

(a) : Sporozoites represent the infective forms of malarial parasite. A healthy person acquires infection, when a female Anopheles mosquito, containing sporozoites, bites the person for sucking his blood. The mosquito punctures the host's skin by its proboscis and first introduces some saliva into the blood stream. Along with saliva, thousands of sporozoites are inoculated in the host also.