2. Questions Bank
  3. 7th Class
  4. Science
  5. Respiration in Organisms

7th Class Science Respiration in Organisms Question Bank Respiration in organisms

  • question_answer
    Which statement is correct?

    A)  Exhaled air contains more oxygen and less carbon dioxide.

    B)  Exhaled air contains less oxygen and less carbon dioxide.

    C)  Inhaled air contains equal amount of carbon dioxide and oxygen.

    D)  Exhaled air contains more carbon dioxide and less oxygen.

    Correct Answer: D

    Solution :

    Exhaled air contains more carbon dioxide and less oxygen.


You need to login to perform this action.
You will be redirected in 3 sec spinner