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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‘Amoebiasis' (amoebic dysentery) is caused by

  • [AIPMT 1992]

Fish which eradicates the mosquito larva, is

  • [AIPMT 1999]

Assertion : Plasmodium vivax is responsible for malaria.

Reason : Malaria is caused by polluted water.

  • [AIIMS 2001]

Which one is not a symptom of Entamoeba histolytica infection

Entamoeba histolytica feeds on