Excretory Products and Their Elimination

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 to electrolytes.
(b) Urine gets concentrated in Henle's loop....

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

Arrange the following events occuring in Renin-Angiotensin mechanism in the correct order:
A. Increase in blood pressure and Glomerular filtration rate
B. Reabsorption of $\mathrm{Na}^{+}$and water from distal parts of tubule due to Aldoste...

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

In frog, the Renal portal system is a special venous connection that acts to link:

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 osmotic gradient in the medullary interstitium.
In the light o...

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 proximal convoluted tubule is lined by simple columnar brush borde...

Choose the correct statement given below regarding juxta medullary nephron.

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) Fall in glomerular blood pressure.
(D) Reabsorption ...

Given below are two statements :
Statement I :- Goblet cells are unicellular glands.
Statement II :- Earwax is the secretion of exocrine gland.
In the light of the above statements, choose the
correct answer from the options given bel...

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 and allows transport of electrolytes actively or passively....

Which of the following statements are correct?
A. An excessive loss of body fluid from the body switches off osmoreceptors.
B. ADH facilitates water reabsorption to prevent diuresis.
C. ANF causes vasodilation.
D. ADH causes increase in blo...

Match List I with List II.

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Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A : Nephrons are of two types: Cortical & Juxta medullary, based on their relative position in cortex
and medulla.
Reason R : J...

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 as a check on renin-angiotensin mechanism.
(d) ADH causes vaso...

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

Which of the following would help in
prevention of diuresis?

Presence of which of the following conditions
in urine are indicative of Diabetes Mellitus?

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

Use of an artificial kindney during hemodialysis may result in :
(a) Nitrogenous waste build-up in the body
(b) Non –elimination of excess potassium ions
(c) Reduced absorption of calcium ions from gastro-intestinal tract
(d) Reduced RBC pr...

Match the items given in column I with those in
column II and select the correct option given
below.

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Match the items given in column I with those in
column II and select the correct option given
below.

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

Which of the following statements is correct?

The part of nephron involved in active reabsorption of sodium is

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

Removal of proximal convoluated tubule from the nephron will result in

Human urine is usually acidic because

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

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

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

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

Which one of the following options gives the correct categorization of six animals according to the type of nitrogenous waste they give out?

A fall in glomerular filtration rate (GFR) activates

Which one of the following statements is correct with respect to kidney function regulation?

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

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

Uricotelic mode of excreting nitrogenous wastes is found in

The principal nitrogenous excretory compound in humans is synthesised

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

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

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

Angiotensinogen is a protein produced and secreted by

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

A person is undergoing prolonged fasting. His urine will be found to contain abnormal quantities of

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

Conversion of ammonia to urea is done by

Concentration of urine depends upon which organ?