Life Processes — Excretion

Grade 10 Science — Life Processes — Excretion: 25 practice questions with instant scoring and explanations.

1. The functional unit of the kidney is the:
2. Urine formation involves:
3. Glomerular filtration occurs in the:
4. Which substance is normally NOT present in urine?
5. The Loop of Henle is involved in:
6. Dialysis is used in kidney failure to:
7. The filtration pressure in the glomerulus is maintained by:
8. Selective reabsorption occurs in the:
9. Which hormone regulates water reabsorption in the kidney?
10. The kidney receives blood through the:
11. Excretion in plants occurs through:
12. The urinary bladder stores:
13. Deamination of amino acids occurs in the:
14. The major nitrogenous waste in humans is:
15. Dialysate in kidney dialysis has a composition similar to:
16. The peritubular capillaries are involved in:
17. Excessive loss of water in urine leads to:
18. The collecting duct is permeable to water when:
19. Ultrafiltration differs from osmosis in that:
20. The counter-current mechanism in the Loop of Henle allows for:
21. Most glucose filtered from blood is reabsorbed in the:
22. Plants excrete waste by:
23. A drop in blood pressure leads to:
24. Renal failure can result from:
25. Uric acid is the primary nitrogenous waste in: