Biology Excretory System Test 13 Welcome to your Biology Excretory System Test 13 Name Email 1.The nephron is the microscopic structural and functional unit of the: (a) kidney (b) heart (c) lung (d) live None 2.Which of the following chemicals is responsible for the yellow colour in urine? (a) Bilirubin (b) Urobilin (c) Albumin (d) Creatinine None 3. ______ is the structural and functional unit of the kidney. (a) Ureter (b) Cortex (c) Medulla (d) Nephron None 4.Which of these is an excretory organ of the human body? (a) Heart (b) Skin (c) Brain (d) Muscles None 5.With regard to kidneys and its functions, which of the following statements is NOT correct? (a) They maintain water balance and expel metabolic waste. (b) Reptiles have relatively more nephrons than birds.. (c) Each nephron has two parts - the glomerulus and the renal tubule (d) Their basic functional units are called nephrons. None 6.Sweating or perspiration is nature’s way of______ (a) releasing excess salt from the body (b) warding off harmful insects through the bad odour of the sweat (c) releasing excess water from the body (d) lowering the internal temperature of the body None 7.Identify the organ which is located on both sides in the human body. (a) Spleen (b) Liver (c) Kidney (d) Bladder None 8. Before Urination, In which part of the excretory system in the human body does the urine get stored ? (a) Ureter (b) Bowman's Capsule (c) Urethra (d) Urinary Bladder None 9.Dialysis is advised to the patient in case of which human organ is damaged or not functioning properly? (a) Kidneys (b) Liver (c) Stomach (d) Heart None 10.Gloremulus and Bowman’s capsule are parts of which organ of the body ? (a) Heart (b) Kidneys (c) Lungs (d) Liver None 11.Which organ is responsible for removing the Nitrogenous waste from the human body ? (a) Liver (b) Kidneys (c) Lungs (d) Pancreas None Time's up
