Biology Practice: Excretory System (Mock Test 1 - Basic Concepts & Kidney Anatomy)
1. The process of removal of nitrogenous metabolic wastes from the body is known as:
2. Which of the following is the primary nitrogenous waste product in humans?
3. The outer dark-colored zone of the kidney is the:
4. The functional and structural unit of the kidney is the:
5. The tube that carries urine from the kidney to the urinary bladder is the:
6. A knot of blood capillaries present in the Bowman’s capsule is called:
7. The notched part on the inner concave side of the kidney through which the ureter leaves is the:
8. Urea is primarily produced in which organ of the human body?
9. The funnel-shaped space where the ureter begins within the kidney is the:
10. Malpighian Corpuscle consists of:
11. Which blood vessel brings oxygenated but "impure" (waste-rich) blood to the kidney?
12. The hormone that helps in the reabsorption of water from the kidney tubules is:
13. The pigment that gives urine its characteristic straw-yellow color is:
14. The U-shaped part of the nephron that lies in the medulla is the:
15. The muscular bag that stores urine temporarily is the:
16. The process of expelling urine from the body is technically called:
17. Which of these is NOT a function of the human kidney?
18. The inner lighter region of the kidney, which contains conical pyramids, is the:
19. In the nephron, "Ultrafiltration" occurs in the:
20. The maintenance of water and salt balance in the blood by the kidneys is called:
