EASY
Earn 100

Which of the following is not part of renal tubules?

50% studentsanswered this correctly

Important Questions on Excretion system

EASY
Podocyte layer that provides outer lining to the surface of glomerular capillaries are found in
HARD

The given part belong to which system?

(a) Kidneys (b) Ureters (c) Urinary bladder

Draw a neat labelled diagram of the system.

EASY

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Identify A, B, C and D in the above diagram of Malpighian body of nephron.

HARD
Out of total nephrons, what is the % of juxtamedullary nephrons?
HARD
Which of the following statements is correct?
HARD
Sketch and label the structure of Malpighian body and explain the structure of Bowman’s capsule.
EASY

A diagrammatic representation of a Nephron is shown in figure with labels 1 to 6. Identify them correctly?

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EASY
The shared terminal duct of the reproductive and urinary system in the human male is:
HARD

Consider the following three statements with blanks. Which of the options correctly fills all the blanks in these statements?

a) The ascending limb of loop of Henle's is impermeable to __(1)__ but allows transport of __(2)__

b) __(3)__ and __(4)__ play a significant role in producing a concentrated urine.

c) A fall in the glomerular blood flow/glomerular blood pressure / GFR gets active at the JG cells to release __(5)__

MEDIUM

Study the following table.

  Part of Nephron Location Function
A Malpighian body Cortex Filtering blood
B Proximal convoluted tubule Cortex Absorption of useful substances
C Distal convoluted tubule Medulla Absorption of urea
D Collecting duct Only Cortex Collection of urine

Identify the correct combinations among the above.

EASY
What is Juxtaglomerular apparatus ?
EASY
Removal of proximal convoluted tubule from the nephron will result in:
EASY
Filtration of blood during urine formation takes place in
MEDIUM

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 their relative position in cortex and medulla.

Reason R: Juxta medullary nephrons have short loop of Henle whereas, cortical nephrons have longer loop of Henle.

In the light of the above statements, choose the correct answer from the options given below:

MEDIUM
Assertion (A): In human beings, kidneys are retroperitoneal organs
Reason (R): They are protruded into the body cavity from inner surface of dorsal body wall and have mesodermal peritoneum on their ventral side only
MEDIUM

Study the following table

S.No Part of nephron Lined by Substances reabsorbed
I) Proximal convoluted tubule Simple squamous epithelium Glucose, amino acids, water
II) Descending limb of loop of Henle Squamous epithelium (thin layer) Water
III) Ascending limb of loop of Henle Squamous epithelium (lower thin and upper thick) Water, electrolytes
IV) Distal convoluted tubule Cuboidal epithelium Water, HCO3-

Among the above, Wrong combination are

HARD
Suggest a practice to keep your kidneys healthy.
EASY
The part of nephron involved in conditional reabsorption of sodium is