NEET Biology: Disorders-Uraemia Practice Questions
14 free multiple-choice questions on Disorders-Uraemia (Excretory Products and their elimination) for NEET Biology, each with the correct answer and a step-by-step explanation. Attempt a question, then reveal the solution to check your reasoning.
Practice thousands more NEET questions in the app →Q1. Which of the following substances is the primary excretory product of amino acid metabolism in humans?
Show answer & explanation
Correct answer: B — Urea
The breakdown of amino acids (deamination) produces ammonia, which is then converted into urea in the liver for excretion via the kidneys.
Q2. The major site for the metabolic breakdown of amino acids, resulting in ammonia production, occurs in which organ?
Show answer & explanation
Correct answer: D — Liver
The liver is responsible for deamination of amino acids, converting excess amino groups into ammonia, which is then transported to the kidneys for excretion.
Q3. Which part of the kidney is primarily responsible for the final elimination of waste materials from the body?
Show answer & explanation
Correct answer: C — Renal Pelvis
The renal pelvis collects urine from the collecting ducts and serves as the conduit for its transport away from the kidney for elimination.
Q4. Uremia is a condition resulting from the accumulation of which substance in the blood due to kidney dysfunction?
Show answer & explanation
Correct answer: D — Creatinine
Uremia is the symptom caused by the failure of the kidneys to excrete waste products, leading to the accumulation of substances like urea and creatinine in the blood.
Q5. The filtration process in the kidney that allows for the removal of blood components and wastes occurs primarily in the:
Show answer & explanation
Correct answer: B — Glomerulus
The glomerulus is a network of capillaries where blood pressure drives the filtration of plasma and waste products into Bowman's capsule.
Q6. In a patient suffering from kidney failure, what is the typical biochemical finding related to the excretion of urea?
Show answer & explanation
Correct answer: D — Increased plasma urea concentration
Due to impaired renal excretion, urea remains in the bloodstream, causing an elevation in plasma urea concentration.
Q7. The primary function of the renal tubules in the nephron is to facilitate which process?
Show answer & explanation
Correct answer: B — Reabsorption and Secretion
The renal tubules are essential for selectively reabsorbing necessary substances (like water and glucose) and secreting unwanted substances into the filtrate before final excretion.
Q8. Which of the following is a major nitrogenous waste product excreted by the kidneys?
Show answer & explanation
Correct answer: B — Urea
Urea is the principal nitrogenous waste product formed in the liver and then eliminated by the kidneys into the urine.
Q9. High levels of creatinine in the blood are often used as an indicator for which condition?
Show answer & explanation
Correct answer: B — Kidney dysfunction
Creatinine is a waste product from muscle metabolism, and its accumulation in the blood indicates impaired renal function, as the kidneys are responsible for its excretion.
Q10. In the context of kidney failure, an accumulation of which substance primarily leads to symptoms of uremia?
Show answer & explanation
Correct answer: D — Urea
Uremia is caused by the buildup of nitrogenous waste products, primarily urea, in the blood when the kidneys cannot excrete them effectively.
Q11. Which of the following nitrogenous waste products is primarily eliminated by the kidneys through urine formation?
Show answer & explanation
Correct answer: D — Creatinine
Creatinine is a waste product from muscle metabolism that is filtered and excreted by the kidneys in the urine.
Q12. Which of the following is a major non-nitrogenous waste product that is filtered and eliminated by the kidneys?
Show answer & explanation
Correct answer: C — Creatinine
Creatinine is a waste product derived from muscle metabolism and is readily filtered and excreted by the kidneys.
Q13. In the context of kidney failure, the buildup of excess urea in the blood is a direct manifestation of which disorder?
Show answer & explanation
Correct answer: C — Uremia
The excessive accumulation of urea in the blood is the defining feature and manifestation of uremia, which occurs when kidney function is impaired.
Q14. Which of the following excretory organs is directly responsible for regulating the balance of water and electrolytes in the body?
Show answer & explanation
Correct answer: B — Kidneys
The kidneys are the primary organs responsible for maintaining fluid and electrolyte balance by controlling water reabsorption and the excretion of waste products.
Keep going — practice on Padhai Karlo
Padhai Karlo gives you unlimited NEET practice: chapter-wise questions, timed quizzes, and full mock tests with an All-India Rank — free to start.
Get the free Android app →