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

  • question_answer The parts of human excretory system are given below.                           
    (i) Bladder                  
    (ii) Kidney                   
    (iii) Ureter                   
    (iv) Urethra      
    In which order does urine pass through these structures?

    A) (ii)\[\to \](iii)\[\to \](i)\[\to \](iv)                  

    B) (i)\[\to \](iii)\[\to \](iv)\[\to \](ii)                   

    C) (ii)\[\to \](iv)\[\to \](i)\[\to \](iii)                  

    D) (iv)\[\to \](iii)\[\to \](i)\[\to \](ii)                 

    Correct Answer: A

    Solution :

    The wastes removed by the kidneys are in the form of a liquid called urine. It passes from the kidneys through ureters into the urinary bladder, where it is stored temporarily until it is excreted from the body through urinary opening located at the urethra.

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