Excretory product and Their Elimination

 1. The conversion of a protein waste, the ammonia into urea, occur in

      A)Kidney      C)Intestine 

      B)Lungs          D)liver

2.Urea in human urine is derived  from the breakdown of...... 

  A)Glucose          C)Fats

  B)Amino Acid    D)Uric acid

3.Alkaptonuria :This is a genetic disorder where urine contains alkapton and for that reason the urine turns black when passes

4.Dysuria:When urination is painful

    Biology  test link:https://docs.google.com/forms/d/e/1FAIpQLScWLExljkrFRSBADjKDHl3US-5XuIWOsunnO8vPTLPHuGXyCQ/viewform?usp=sf_link