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

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

  • question_answer
    It is present in the respiratory system of insects, fish and mammals. It is

    A) spirades                      

    B) tracheae

    C) a thin moist surface    

    D) all of these

    Correct Answer: C

    Solution :

    a thin moist surface


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