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

7th Class Science Respiration in Organisms Question Bank Respiration In Plants And Animals

  • question_answer
    Exchange of gases in mammal take place through

    A) trachea         

    B) bronchi

    C) alveoli                         

    D) none of these

    Correct Answer: A

    Solution :

    trachea


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