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Zoology - Excretion Two Marks Questions

11th Standard

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Biology

Time : 00:45:00 Hrs
Total Marks : 30
    15 x 2 = 30
  1. What is the nitrogenous waste produced by amphibian larvae and by the adult animal?

  2. Differentiate cortical from medullary nephrons

  3. What vessels carry blood to the kidneys? Is this blood arterial or venous?

  4. Which vessels drain filtered blood from the kidneys?

  5. Name the three main hormones that are involved in the regulation of the renal function?

  6. What is the effect of aldosterone on kidneys and where is it produced?

  7. Explain the heart’s role in secreting a hormone that regulates renal function? What hormone is this?

  8. Name any four nitrogenous waste products produced by animals.

  9. Why are aquatic animals mostly ammonotelic in nature?

  10. Why do reptiles produce very little hypotonic urine?

  11. What is ornithine cycle

  12. Name the processes involved in urine formation.

  13. What are aquaporins?

  14. Why is the urine yellow in colour?

  15. What is kidney transplantation?

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