RAJASTHAN PMT Rajasthan - PMT Solved Paper-1997

  • question_answer
    Which fish is helpful in biotic control of malaria?

    A)  Minnose            

    B)         Gambusia

    C)  Trout                   

    D)         All of these

    Correct Answer: D

    Solution :

    All these fishes feed on the larvae of the mosquitos, therefore, used as biological control agents.


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