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

8th Class Science Sample Paper Science Olympiad Model Test Paper-7

  • question_answer
    Which one of the following combination of sex chromosomes in zygote results a boy?

    A) XX

    B) XY

    C) YY

    D) All of these

    E) None of these

    Correct Answer: B

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