1. True or False: Malpighian body is a part of nephron.   True   False   2. Which of these is not a normal constituent of urine: sugar, urea or creatinine?   Urea   Sugar   Creatinine   Hint Half-n-half Clue   3. Main function of the _______ is to filter the wastes from the blood and excrete them in the form of urine.   Urinary Bladder   Kidneys   Endocrine glands   Lungs   Half-n-half Clue   4. Which is not true regarding kidneys? A. They do not have any capsule. B. They are bean shaped and reddish brown in color. C. Each kidney is divided into 2 parts - cortex and medulla. D. They are the main excretory organs.   A   B   C   D   Half-n-half Clue   5. True or false: Kidneys contain 10-12 million nephrons.   True   False   6. Which of these is not true -- A, B, C or D? A. Kidney excretes urea. B. A small fraction of CO2 is removed through the skin. C. Small amount of salt is excreted through skin. D. Feces is excreted through the anus.   A   B   C   D   Half-n-half Clue   7. Identify urethra in this diagram.   1   2   3   4   Half-n-half Clue