Excretory Products and their Elimination Practice Questions
NEET · Biology · 990 free MCQs with instant results and detailed explanations.
990
Total
202
Easy
441
Medium
347
Hard
Start Practicing Excretory Products and their Elimination
Take a timed quiz or customize your practice session
Topics in Excretory Products and their Elimination
Dialysis
204
Kidney Structure
188
Role of Other Organs in Excretion
204
Osmoregulation
200
Urine Formation
194
Sample Questions from Excretory Products and their Elimination
Here are 10 sample questions. Start a quiz to get randomized questions with scoring.
Q1
Easy
Which part of the nephron is primarily responsible for the reabsorption of water?
A.
Proximal convoluted tubule
B.
Distal convoluted tubule
C.
Loop of Henle
D.
Collecting duct
Show Answer & Explanation
Correct Answer: A
The proximal convoluted tubule is where about 65% of water is reabsorbed back into the bloodstream, making it crucial for water conservation.
Q2
Easy
What is the functional unit of the kidney called?
A.
Nephron
B.
Glomerulus
C.
Renal pelvis
D.
Ureter
Show Answer & Explanation
Correct Answer: A
The nephron is the basic structural and functional unit of the kidney, responsible for filtering blood and forming urine.
Q3
Easy
Which of the following structures is responsible for filtering blood in the kidney?
A.
Nephron
B.
Glomerulus
C.
Collecting duct
D.
Renal tubule
Show Answer & Explanation
Correct Answer: B
The glomerulus is a network of capillaries where blood filtration occurs, making it essential for urine formation.
Q4
Medium
What is the functional unit of the kidney responsible for urine formation?
A.
Glomerulus
B.
Nephron
C.
Collecting Duct
D.
Renal Pelvis
Show Answer & Explanation
Correct Answer: B
The nephron is the functional unit of the kidney that carries out the processes of filtration, reabsorption, and secretion to form urine.
Q5
Medium
Which structure of the nephron filters blood to form filtrate?
A.
Bowman's Capsule
B.
Proximal Convoluted Tubule
C.
Loop of Henle
D.
Distal Convoluted Tubule
Show Answer & Explanation
Correct Answer: A
Bowman's Capsule surrounds the glomerulus and is the site where blood filtration occurs, allowing water and small solutes to pass into the nephron.
Q6
Medium
Which of the following substances is not normally found in urine as a result of nephron function?
A.
Urea
B.
Glucose
C.
Creatinine
D.
Uric Acid
Show Answer & Explanation
Correct Answer: B
Glucose is typically reabsorbed completely in the proximal convoluted tubule, so it is not found in normal urine unless there is a condition like diabetes.
Q7
Medium
What regulates the permeability of the collecting duct to water?
A.
Aldosterone
B.
Antidiuretic Hormone (ADH)
C.
Renin
D.
Angiotensin II
Show Answer & Explanation
Correct Answer: B
Antidiuretic Hormone (ADH) increases the permeability of the collecting duct to water, facilitating water reabsorption and concentrating urine.
Q8
Hard
Which of the following structures is primarily responsible for the filtration of blood in the kidney?
A.
Glomerulus
B.
Bowman's capsule
C.
Loop of Henle
D.
Collecting duct
Show Answer & Explanation
Correct Answer: A
The glomerulus is a network of capillaries that filters blood, allowing water, ions, and small molecules to pass while retaining larger proteins and cells.
Q9
Hard
In terms of nephron structure, what is the primary role of the proximal convoluted tubule?
A.
Reabsorption of water only
B.
Secretion of urea
C.
Reabsorption of glucose and amino acids
D.
Filtration of blood
Show Answer & Explanation
Correct Answer: C
The proximal convoluted tubule is primarily responsible for the reabsorption of glucose, amino acids, and other essential nutrients back into the bloodstream.
Q10
Hard
Which component of the nephron is primarily involved in the regulation of the body's water balance?
A.
Glomerulus
B.
Proximal convoluted tubule
C.
Loop of Henle
D.
Collecting duct
Show Answer & Explanation
Correct Answer: D
The collecting duct plays a crucial role in the regulation of water balance by being responsive to antidiuretic hormone (ADH), allowing the kidney to concentrate urine.
Showing 10 of 990 questions. Start a quiz to practice all questions with scoring and timer.
Practice All 990 Questions →Other NEET Subjects
Excretory Products and their Elimination — NEET Biology Practice Questions Online
This page contains 990 practice MCQs for the chapter Excretory Products and their Elimination in NEET Biology. The questions are organized by difficulty — 202 easy, 441 medium, 347 hard — so you can choose the right level for your preparation.
Every question includes a detailed explanation to help you understand the concept, not just memorize answers. Take a timed quiz to simulate exam conditions, or practice at your own pace with no time limit. This chapter covers 5 topics, giving you comprehensive coverage of the entire chapter.