NEET · BiologyEasy
Which of the following is the primary nitrogenous waste product excreted by humans?
- A.Ammonia
- B.Urea
- C.Uric acid
- D.Creatinine
Show correct answer & step-by-step solution
Correct answer: B — Urea
Solution
- Humans metabolize proteins into ammonia.
- Ammonia is converted into urea in the liver via the urea cycle.
- Urea is then transported to the kidneys for excretion.
- Hence the answer is (B).
Attempt this question & track your score
Sign up free to answer, get instant scoring, and let SolveGini track which Biology topics you need to revise.
Attempt & Track Free →More Excretion practice questions
- The functional unit of the human kidney is known as the:
- Which hormone is primarily responsible for the reabsorption of water in the distal parts of the kidney tubules?
- Which part of the nephron is responsible for the reabsorption of the majority of water and electrolytes?
- The process of removing nitrogenous waste from the blood using an artificial kidney is called:
- The counter-current mechanism in the loop of Henle is primarily responsible for maintaining a concentration gradient in
- Which of the following substances is normally found in the glomerular filtrate but is completely reabsorbed in the proxi
- In the process of micturition, which of the following events occurs when the urinary bladder is filled with urine?
- If the diameter of the afferent arteriole is significantly reduced while the efferent arteriole remains unchanged, what
- Which hormone is released in response to low blood pressure and acts to increase the reabsorption of sodium ions in the
- If the concentration of antidiuretic hormone (ADH) in the blood is significantly elevated, what specific change occurs i
- During the countercurrent mechanism in the loop of Henle, the interstitial fluid osmolarity increases from 300 mOsm/L at
- Which of the following conditions would most likely lead to a decrease in the net filtration pressure (NFP) at the glome