Which one of the following parts of the mammalian body is most closely associated with the production of urine?
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
Correct Answer: Option A
Explanation:
The correct answer is A: Malpighian capsule.
The Malpighian capsule (also known as the renal corpuscle) is part of the nephron in the kidney, which is the functional unit responsible for the production of urine. It consists of the glomerulus and the Bowman's capsule. The glomerulus filters blood, and the filtrate is collected in the Bowman's capsule. This process begins the formation of urine by removing waste products and excess substances from the bloodstream.
Here's why the other options are incorrect:
- B. Urinary bladder: The urinary bladder stores urine until it is excreted from the body but does not produce urine.
- C. Ureter: The ureter transports urine from the kidney to the urinary bladder, but it does not produce urine.
- D. Vas deferens: The vas deferens is part of the male reproductive system and is involved in transporting sperm, not urine.
- E. Urethra: The urethra is the tube through which urine is excreted from the body, but it does not produce urine.
Therefore, the Malpighian capsule is most closely associated with the production of urine.
The correct answer is A: Malpighian capsule.
The Malpighian capsule (also known as the renal corpuscle) is part of the nephron in the kidney, which is the functional unit responsible for the production of urine. It consists of the glomerulus and the Bowman's capsule. The glomerulus filters blood, and the filtrate is collected in the Bowman's capsule. This process begins the formation of urine by removing waste products and excess substances from the bloodstream.
Here's why the other options are incorrect:
- B. Urinary bladder: The urinary bladder stores urine until it is excreted from the body but does not produce urine.
- C. Ureter: The ureter transports urine from the kidney to the urinary bladder, but it does not produce urine.
- D. Vas deferens: The vas deferens is part of the male reproductive system and is involved in transporting sperm, not urine.
- E. Urethra: The urethra is the tube through which urine is excreted from the body, but it does not produce urine.
Therefore, the Malpighian capsule is most closely associated with the production of urine.