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    Question

    The critical pest density level going beyond what is

    tolerable to crops is called 
    A Biological threshold level Correct Answer Incorrect Answer
    B Economic injury level Correct Answer Incorrect Answer
    C Economic threshold level Correct Answer Incorrect Answer
    D Both A and B Correct Answer Incorrect Answer

    Solution

    Economic injury level - This is the point where the cost of managing a pest population equals the economic damage they have caused.

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