SSC Ecology And Environment Sample Paper NCERT Sample Paper-5

  • question_answer
    A. The territorial boundaries of certain animals are marked by urination (dogs, tigers) or defaecation. R. Urine and faeces of such animals contain chemicals which serve as pheromones.

    A)  A is correct and R is its explanation

    B)  A is correct and R is not its explanation

    C)  A is correct but R is wrong

    D)  Both A and R are wrong

    Correct Answer: A

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