1. Formation of urea occurs in   Liver   Pancreas   Small intestine   Kidneys   Hint Half-n-half Clue   2. 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   3. 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   4. Tuft of capillaries inside the Malpighian body is known as   Renal artery   Collecting ducts   Nephron   Glomerulus   Half-n-half Clue   5. Main function of the _______ is to filter the wastes from the blood and excrete them in the form of urine.   Kidneys   Lungs   Urinary Bladder   Endocrine glands   Half-n-half Clue   6. Bag like structure in which urine is stored.   Stomach   Urinary Bladder   Ureter   Kidney   Half-n-half Clue   7. Which of these is not a function of kidneys? A. Maintenance of acid base balance. B. Excretion of nitrogenous waste products. C. Temperature regulation. D. Maintenance of water balance.   A   B   C   D   Half-n-half Clue