Biology Practice: Excretion in Human (Mock Test 1 - Basic)
1. The process of removing metabolic waste products from the body is called:
2. Which of the following is considered a primary metabolic waste product in humans?
3. Which are the main excretory organs in the human body?
4. The human kidneys are shaped like:
5. The tube that carries urine from the kidney to the urinary bladder is called the:
6. Where is urine temporarily stored before it is expelled from the body?
7. The muscular tube through which urine finally leaves the body is the:
8. What is the structural and functional unit of the kidney?
9. Besides the kidneys, which organ helps in the excretion of Carbon Dioxide ($CO_{2}$)?
10. Sweat is excreted by the skin to remove excess water and ________.
11. Which organ is responsible for converting excess amino acids into urea?
12. Why is it important to excrete waste products like urea from the blood?
13. A healthy adult human excretes about how much urine in 24 hours?
14. The yellowish color of urine is due to the presence of a pigment called:
15. The elimination of undigested food (faeces) through the anus is specifically called:
16. The kidney is located in the ________ cavity, on either side of the backbone.
17. Which blood vessel brings oxygenated blood containing waste to the kidneys?
18. Kidney stones are often formed by the accumulation of crystals of:
19. If both kidneys fail, a patient may need a machine to filter the blood. This process is called:
20. Which of the following is NOT part of the human urinary system?