New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    Third generation pesticides

    are
    A Insect hormone analogues Correct Answer Incorrect Answer
    B Insect repellents Correct Answer Incorrect Answer
    C Pheromones Correct Answer Incorrect Answer
    D Pathogens Correct Answer Incorrect Answer

    Solution

    Third generation pesticides are far superior to the lead arsenate and DDT that epitomize the two earlier generations. These chemicals are called juvenile hormones which are made in two small glands in insects’ heads.

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