2. Sample Papers
  3. 8th Class
  4. Science

8th Class Science Sample Paper Science Sample Paper-2

  • question_answer
    Which one of the following combinations of sex chromosomes in zygote determines the birth of a girl child?

    A) XX       

    B) XY

    C) YX       

    D) YY

    E)  None of these

    Correct Answer: A

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