Free Kidney and Urinary System MCQs with Answers
121 Kidney and Urinary System MCQs from Biology, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.
The kidney and urinary system remove nitrogenous wastes, regulate water and ion balance, and help maintain blood pH through filtration, selective reabsorption and secretion. Questions cover nephron structure, ultrafiltration, the loop of Henle, collecting ducts, urine formation and the roles of ADH and aldosterone, while distinguishing excretion from egestion.
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121 questions · page 7 of 7
- A. Distal tubule
- B. Urethra
- C. Urinary bladder
- D. Ureter
Explanation: The urethra is the final pathway for urine to leave the body. It is a tube that connects the urinary bladder to an external opening…
Correct answer: Urethra