7th Class Science Sample Paper Science Olympiad Model Test Paper-20

  • question_answer
    Fill in the blanks with the correct combination of words.
    When \[\underline{\,\,\,\,P\,\,\,\,}\] moves \[\underline{\,\,\,\,Q\,\,\,\,}\] and \[\underline{\,\,\,\,R\,\,\,\,}\] and diaphragm moves \[\underline{\,\,\,\,S\,\,\,\,}\] , the space in the chest cavity\[\underline{\,\,\,\,T\,\,\,\,}\].
    As a result air is pushed out from the lungs.

    A) P-ribcage, Q-downward, R-inward, S-downward, T-decreases

    B) P-ribcage, Q-downward, R-inward, S-upward, T-increases

    C) P-ribcage, Q-downward, R-inward, S-upward, T-decreases

    D) P-ribcage, Q-upward, R-inward, S-upward, T-decreases

    E) None of these

    Correct Answer: C


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