10th Class Science Life Processes Question Bank Life Processes

  • question_answer
    Identify pathway of carbon dioxide after the exchange of gases in lungs?

    A) \[\text{Alveolus}~\to \text{bronchiole}~\to \text{bronchus}\to \] \[\text{trachea}\to \text{nose}\]

    B) \[\text{Alveolus}~\to \text{bronchus}~\to \text{bronchiole}\to \] \[\text{trachea}\to \text{nose}\]

    C) \[\text{Trachea}~\to \text{bronchus}\to \text{bronchiole}\to \] \[\text{alveolus}\to \text{nose}\]

    D) \[\text{Trachea}~\to \text{bronchiole}~\to \text{bronchus}\to \] \[\text{alveolus}\to \text{nose}\]

    Correct Answer: A

    Solution :

    The correct pathway of air that leaves the lungs is as follows. \[\text{Alveolus}~\to \text{bronchiole}\to \text{bronchus}\to \]trachea \[\to \text{nose}\]


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