The carnivorous fish Gambusia, introduced in the lakes, ponds, etc., control a deadly disease in India, feeds on the larvae of

  • [AIIMS 1997]
  • A

    Nephantis

  • B

    Dragonfly

  • C

    Anopheles

  • D

    All of these

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Represent schematically the life cycle of a malarial parasite.

Sporogony of malarial parasite occurs in

  • [AIIMS 1999]

Assertion : Plasmodium vivax is responsible for malaria.

Reason : Malaria is caused by polluted water.

  • [AIIMS 2001]

Which stage of Plasmodium is infective for Mosquito

Infection of Entamoeba histoloytica is preveneted by