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Class 11 Biology Practice Test: Excretory Products and Elimination - Mechanism of Concentration of the Filtrate
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Class 11 Biology Practice Test: Excretory Products and Elimination - Mechanism of Concentration of the Filtrate
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15 Questions

1. Which of the following are not involved in the monitoring of kidneys?
2. What is ADH?
3. What is meant by counter-current?
4. Osmoreceptors in the body is not directly activated by which of the following?
5. Which of the following is released by JG cells when GFR falls its normal levels?
6. Which of the following plays a significant role in the concentration of urine?
7. What will happen if the blood volume increases?
8. What is the significance of the proximity of Henle’s loop and vasa recta?
9. The gradient of osmolarity is mainly caused by NaCl.
10. Which of the following returns NaCl into the interstitium?
11. What is the osmolarity of the urine in the cortex?
12. Which of the following is responsible for the secretion of ANF?
13. Which of the following structure make the countercurrent mechanism?
14. The hypothalamus releases vasopressin from the adenohypophysis.
15. Which of the following is not a feature of a counter-current mechanism?

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