Excretion easy

Excretion in Biology Quiz (Easy)

1. What is the primary organ responsible for excretion in humans?

a) Liver b) Kidneys c) Lungs d) Heart

2. What is the process by which metabolic waste, especially urea, is removed from the body?

a) Transpiration b) Excretion c) Photosynthesis d) Respiration

3. Which of the following is NOT a part of the excretory system in humans?

a) Kidneys b) Ureters c) Lungs d) Urethra

4. Which of the following waste products is excreted through the lungs during exhalation?

a) Carbon dioxide b) Urea c) Ammonia d) Water

5. Which of the following organs is responsible for storing urine before it is excreted from the body?

a) Kidneys b) Ureters c) Bladder d) Urethra

6. Which of the following is the functional unit of the kidney responsible for filtering blood?

a) Nephron b) Alveoli c) Neuron d) Red blood cell

7. Which of the following substances is NOT normally found in urine?

a) Urea b) Glucose c) Water d) Creatinine

8. Which part of the nephron is responsible for reabsorbing most of the filtered water?

a) Glomerulus b) Bowman's capsule c) Loop of Henle d) Collecting duct

9. What is the name of the tube that carries urine from the kidney to the bladder?

a) Urethra b) Ureter c) Uvula d) Uvula

10. Which of the following is a metabolic waste product excreted by the kidneys?

a) Glucose b) Oxygen c) Sodium d) Uric acid