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NEET Excretory Products and their Elimination PYQs with Solutions

402 previous year questions from Excretory Products and their Elimination (NEET UG Zoology) with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

402 questionsZoology2002–2026Answers + solutions

About Excretory Products and their Elimination PYQs

Excretory Products and their Elimination has 402 previous year questions in the Quantrex Academy NEET UG Zoology bank. The 220 questions in this list come from NEET (202) and AIIMS (18), spanning 2002 to 2026. Each question opens on its own page with the options, the correct answer and the worked solution where available.

NEET Excretory Products and their Elimination PYQs with Solutions

About Excretory Products and their Elimination PYQs

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Excretory Products and their Elimination questions with solutions

Which of the following statements about the reabsorption process in Henle's loop are correct ? (a) The descending limb of Henle's loop is permeable to water but almost impermeable

The JGA (Juxta Glomerular Apparatus) is a special sensitive region formed by cellular modifications in ____________ related to the same nephron.

Arrange the following events occurring in Renin-Angiotensin mechanism in the correct order : A. Increase in blood pressure and Glomerular filtration rate. B. Reabsorption of Na^ +

Which of the following diagrams is correct with regard to the proximal (P) and distal (D) tubule of the Nephron.

Given below are two statements: Statements I: Concentrated urine is formed due to counter current mechanism in nephron. Statement II: Counter current mechanism helps to maintain

Choose the correct statement given below regarding juxta medullary nephron.

Given below are two statements : Statement I : In the nephron, the descending limb of loop of Henle is impermeable to water and permeable to electrolytes. Statement II : The

Diuresis is prevented by:

Arrange the events of Renin - Angiotensin mechanism in correct sequence. (A) Activation of JG cells and release of renin. (B) Angiotensin II activates release of aldosterone. (C)

Match List I and List II List I List II A Taenia I Nephridia B Paramoecium II Contractile vacuole C Periplaneta III Flame cells D Pheretima IV Urecose gland Choose the correct

Given below are statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: Nephrons are of two types: Cortical and Juxta medullary, based on

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : Ascending limb of loop of Henle is impermeable to water

Nitrogenous waste is excreted in the form of pellet or paste by:

Select the correct statements. (a) Angiotensin II activates the cortex of adrenal gland to release aldosterone. (b) Aldosterone leads to increase in blood pressure. (c) ANF acts

Erythropoietin hormone which stimulates RBC formation is produced by:

The increase in osmolarity from outer to inner medullary interstitium is maintained due to : (i) Close proximity between Henle&#39;s loop and vasa recta (ii) Counter current

Select the correct statement:

Which of the following would help in the prevention of diuresis?

The renal fluid isotonic to the cortical fluid and blood is found in

Assertion : Malpighian tubules are excretory organs in most of the insects. Reason : These help in excretion of urea only.

Assertion : Stimulation of renin secretion will increase the volume of extracellular fluid (ECF). Reason : Increased ECF occurs due to decreased active reabsorption of Na^ + .

What is the function of Bowman's capsule and Glomerulus?

Match the following parts of a nephron with their function. Select the correct option from the following

Use of an artificial kidney during hemodialysis may result in: (a) Nitrogenous waste build-up in the body (b) Non-elimination of excess potassium ions ( c ) Reduced absorption of

Which of the following factors is responsible for the formation of concentrated urine?

Match the items in Column-I with those in Column II Select the correct option from the following

It is a disease which mainly affects mucous membrane of urinogenital tract. In males, burning feeling on passing urine, after a yellow discharge occurs, that is accompanied by

An X-ray of the lower abdomen shows a shadow in the region of the ureter suspected to be a ureteric calculus. A possible clinical symptom would be

Match the items given in Column I with those in Column II and select the correct option given below: Column - I Column - II a. Glycosuria i. Accumulation of uric acid in joints b.

Match the items given in Column I with those in Column II and select the correct option given below: Column - I Column - II (Part Function Part of Excretory System) a.

Which part of the nephron is impermeable to water?

A decrease in blood pressure/volume will not cause the release of

Which of the following statements is correct?

In mammals, which blood vessel would normally carry the largest amount of urea?

The part of nephron involved in conditional reabsorption of sodium is

Which of the following waste products in grasshopper is not excreted and is used in other metabolic activities?

Which part of the nephrons is impermeable to water?

The body cells in cockroach discharge their nitrogenous waste in the haemolymph mainly in the form of :

Human urine is usually acidic because

Removal of proximal convoluted tubule from the nephron will result in:

Which of the following does not favor the formation of large quantities of dilute urine?

Refer the given figure of nephron. Identify A, B, C and D and select the correct option regarding them

Which of the following causes an increase in sodium reabsorption in the distal convoluted tubule?

Which of the following is true for excretion in humans?

Select the option which shows correct matching of animal with its excretory organ and excretory product.

Figure shows human urinary system with structures labelled A to D . Select option, which correctly identifies them and gives their characteristics and/of functions

Assertion : In proximal convoluted tubule glomerular filtrate becomes hypertonic to blood plasma. Reason : HCO_3^ - is absorbed only in the proximal convoluted tubule.

The maximum amount of electrolytes and water (70-80 \%) from the glomerular filtrate is reabsorbed in which part of the nephron?

Which one of the following options gives the correct categorisation of six animals according to the type of nitrogenous wastes (A, B, C), they give out?

A fall in glomerular filtration rate (GFR) activates

Which one of the following characteristics is common both in humans and adult frogs?

Which one of the following is correct regarding the excretion?

If for some reason, the vasa efferentia in the human reproductive system get blocked, the gametes will not be transported from

Which one of the following correctly explains the function of a specific part of a human nephron?

Which one of the following is not a part of a renal pyramid?

Uricotelic mode of passing out nitrogenous wastes is found in

Ureters act as urogenital ducts in

Assertion : While on going down the loop of Henle, the filtrate becomes hypotonic. Reason : The descending limb of loop of Henle is impermeable to both water and electrolytes.

Which one of the following statements in regard to the excretion by the human kidneys is correct?

In which one of the following organism, its excretory organs are correctly stated?

Consider the following four statements (1-4) regarding kidney transplant and select the two correct ones out of these. (1) Even if a kidney transplant is proper the recipient may

The principal nitrogenous excretory compound in humans is synthesised

What will happen if the stretch receptors of the urinary bladder wall are totally removed?

Uric acid is the chief nitrogenous component of the excretory products of

What will happen if the stretch receptors of the urinary bladder wall are totally removed ?

Which one of the following pairs is not correctly matched?

Assertion : Secreting hypotonic urine is effective in reducing urinary loss of water. Reason : Hypotonic urine is more concentrated and higher in osmotic pressure than the blood.

A person who is on a long hunger strike and is surviving only on water, will have:

Bowman's glands are located in the:

Angiotensinogen is a protein produced and secreted by:

Which one of the following statements is correct with respect to salt water balance inside the body of living organisms?

In ornithine cycle, which of the following wastes are removed from the blood?

The net pressure gradient that causes the fluid to filter out of the glomeruli into the capsule is:

Uricotelism is found in:

If Henle's loop were absent from mammalian nephron, which one of the following is to be expected ?

Which of the following are uricotelic animals?

The increase in osmolarity from outer to inner medullary interstitium is maintained due to : (i) Close proximity between Henle's loop and vasa recta (ii) Counter current