2. Questions Bank
  3. 7th Class
  4. Science
  5. Transportation in Animals and Plants

7th Class Science Transportation in Animals and Plants Question Bank Life Processes

  • question_answer
    Increased percentage of which gas will be present while exhaling in human beings?

    A) Carbon dioxide  

    B) Oxygen

    C) Nitrogen

    D)        Argon

    E) None of these

    Correct Answer: A

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