NEET Biology Strategies for Enhancement in Food Production / खाद्य उत्पादन में वृद्धि के लिए रणनीतियाँ Question Bank Critical Thinking Questions

  • question_answer
    First pesticide used by man is

    A) Rotenone

    B) Pyrethrin

    C) Pheromone

    D) Thuriocide

    Correct Answer: A

    Solution :

    Rotenone is a natural insecticide which are first used by man.


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