NEET Biology: Excretion Practice Questions

14 questions with answers and step-by-step solutions. Tap any question to see the full worked solution.

  1. Q1.
    Which part of the nephron is responsible for the reabsorption of the majority of water and electrolytes?
    Easy
  2. Q2.
    The functional unit of the human kidney is known as the:
    Easy
  3. Q3.
    The process of removing nitrogenous waste from the blood using an artificial kidney is called:
    Easy
  4. Q4.
    Which hormone is primarily responsible for the reabsorption of water in the distal parts of the kidney tubules?
    Easy
  5. Q5.
    Which of the following is the primary nitrogenous waste product excreted by humans?
    Easy
  6. Q6.
    Which hormone is released in response to low blood pressure and acts to increase the reabsorption of sodium ions in the distal convoluted tubule?
    Medium
  7. Q7.
    If the diameter of the afferent arteriole is significantly reduced while the efferent arteriole remains unchanged, what will be the immediate effect on the glom
    Medium
  8. Q8.
    In the process of micturition, which of the following events occurs when the urinary bladder is filled with urine?
    Medium
  9. Q9.
    The counter-current mechanism in the loop of Henle is primarily responsible for maintaining a concentration gradient in the renal medulla. Which of the followin
    Medium
  10. Q10.
    Which of the following substances is normally found in the glomerular filtrate but is completely reabsorbed in the proximal convoluted tubule of a healthy human
    Medium
  11. Q11.
    Which of the following conditions would most likely lead to a decrease in the net filtration pressure (NFP) at the glomerulus?
    Hard
  12. Q12.
    Which of the following physiological changes would occur if the juxtaglomerular apparatus cells were damaged, preventing the release of renin?
    Hard
  13. Q13.
    During the countercurrent mechanism in the loop of Henle, the interstitial fluid osmolarity increases from 300 mOsm/L at the cortex to 1200 mOsm/L at the inner
    Hard
  14. Q14.
    If the concentration of antidiuretic hormone (ADH) in the blood is significantly elevated, what specific change occurs in the permeability of the nephron segmen
    Hard

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Excretion — NEET Biology Practice Questions with Solutions | SolveGini