MEDIUM
Earn 100
Ultrafiltration takes place in
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Important Questions on Excretory Products and their Elimination
HARD
Suggest a practice to keep your kidneys healthy.
HARD
The given part belong to which system?
(a) Kidneys (b) Ureters (c) Urinary bladder
Draw a neat labelled diagram of the system.
MEDIUM
Assertion In human beings, kidneys are retroperitoneal organs
Reason They are protruded into the body cavity from inner surface of dorsal body wall and have mesodermal peritoneum on their ventral side only
HARD
Sketch and label the structure of Malpighian body and explain the structure of Bowman’s capsule.
HARD
Which of the following statements is correct?
MEDIUM
Describe the structure of the human excretory system with a suitable diagram. Add a note on the process of urine formation.
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, |
Among the above, Wrong combination are
EASY
Which of the following is NOT lined by squamous epithelium?
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)__
EASY
Arrange the organs of the human excretory system in the correct order, based on the passage of urine.
ureter, urethra, kidney, urinary bladder
EASY
The part of nephron involved in conditional reabsorption of sodium is
EASY
Draw the L.S. of kidney and label the parts.
EASY
Where are the proximal and distal convoluted tubules located within the human body?
EASY
The type of epithelium found in the inner lining of is
EASY
Mark the wrong match.
MEDIUM
Erythropoietin hormone which stimulates RBC formation is produced by:
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
Removal of proximal convoluted tubule from the nephron will result in:
EASY
Name the smooth muscle of the urinary bladder.
