Excretory System Class 10 Welcome to your Excretory System Class 10 Name 1. Profuse sweating takes place during heavy muscular exercise. The reason is To excrete excess amount of sodium chloride To regulate the temperature of the body To eliminate excessive lactic acid produced due to anaerobic metabolism All of these2. A tube that arises from the kidney and connects behind with the urinary bladder is called Renal tubule Urethra Pelvis Ureter3. Excretion primarily involves Removal of nitrogenous waste Removal of by-products during anabolism All of the above Removal of all by-products during catabolism4. What is located within the glomerular capsule? Renal cortex Loop of Henle A knot of capillaries Several conducting ducts5. What is the chief nitrogenous waste in mammals? Ammonia Amino acid Uric acid Urea6. Which term describes a one way valve composed of smooth muscle that functions in elimination of urine? Villus Appendix Cecum Sphincter7. The consumption of alcohol has what effect on the human urinary system? It increases the activity of antidiuretic hormone(ADH), decreasing urine production It decreases the activity of antidiuretic hormone(ADH), increasing urine production It results in dark, concentrated urine It completely blocks the flow of fluids through the kidney tubules8. The structural and functional unit of kidney is Urine Ureter Nephron Neuron9. Where does blood go after it leaves the glomerulus? It re-enters pulmonary circulation It runs parallel to the nephron via the efferent arterioles It runs parallel to the nephron via the efferent venules It returns to the heart via the inferior vena cava10. The apex of each pyramid which projects into the pelvis of the kidney is called Medulla Pyramid Papilla Calyx11. The bowman's capsule and the glomerulus together are called Renal tubule Renal capsule Malpighian capsule Malpighian capsule or Renal capsule12. Ultrafiltration occurs in Proximal convoluted tubule Bowman's capsule Henle's loop Distal convoluted tubule13. Which of the following are located in the cortex of the kidney? Ascending limb, descending limb and collecting duct Glomerulus, PCT and DCT Loop of Henle Glomerulus and Proximal tubule14. Maximum amount of water from glomerular filtrate is reabsorbed in Descending limb of loop of Henle Ascending limb of loop of Henle Proximal convoluted tubule Distal convoluted tubule15. Which of the following organs is the storage area of urine? Urethra Ureter Kidney Urinary bladder16. Which section of the Nephron is primarily responsible for concentrating the urine? Loop of Henle Glomerulus Proximal Convoluted tubule Distal convoluted tubule17. The removal of nitrogenous wastes is called as Sweating Excretion Defecation Breathing18. Choose the Odd one out Sweat Saliva Tears Urine19. Which product, secreted by the kidney, helps regulate blood pressure? Renin Aldosterone Cortisol Antidiuretic hormone20. The Urinary system consists of One bladder, two kidneys, two ureters, one urethra One bladder, two kidneys, one ureter, two urethras Two bladders,two kidneys,one ureter, one urethra Two bladders, two kidneys, two ureters, one urethra21 out of Time is Up!