10th Class Science Sample Paper Science Sample Paper-1

  • question_answer
    What is biological magnification?

    A) Increase in the availability of energy at each trophic level of the food chain

    B) Increase in the size of the living organisms at each trophic level of food chain

    C)  Increase in the concentration of harmful chemical substances in the body of living organisms at each trophic level of food chain

    D)  Both [a] and [b]

    E)  None of these

    Correct Answer: C


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