(C) Tubular secretion is a process where substances like $H^+$,$K^+$,and ammonia are secreted into the filtrate. This process occurs in both the proxi

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Tubular secretion takes place in the $PCT$ only.

(C) Tubular secretion is a process where substances like $H^+$,$K^+$,and ammonia are secreted into the filtrate. This process occurs in both the proximal convoluted tubule $(PCT)$ and the distal convoluted tubule $(DCT)$,as well as the collecting duct. Therefore,the statement that tubular secretion takes place in the $PCT$ only is incorrect.

Class 11 Biology Excretory Products and their Elimination Mix Examples- Excretory Products and their Elimination

Medium

Find the incorrect option regarding the mechanism of urine formation in humans.

A
The glomerular filtration rate is about $125 \ mL/min$.
B
The ultrafiltration is opposed by the colloidal osmotic pressure of plasma.
C
Tubular secretion takes place in the $PCT$ only.
D
Aldosterone induces greater reabsorption of sodium.

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Chapter

Excretory Products and their Elimination

Subtopic

Mix Examples- Excretory Products and their Elimination

Match the items given in Column $I$ with those in Column $II$ and select the correct option given below:

Column $I$ (Function) Column $II$ (Part of Excretory System)

$(a)$ Ultrafiltration $(i)$ Henle's loop

$(b)$ Concentration of urine $(ii)$ Ureter

$(c)$ Transport of urine $(iii)$ Urinary bladder

$(d)$ Storage of urine $(iv)$ Malpighian corpuscle

$(v)$ Proximal convoluted tubule

MediumNEET 2018

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The given figure shows the human excretory system with parts labeled $A$ to $D$. Select the option that correctly identifies these parts and describes their characteristics or functions.

NEET 2013

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An adult human excretes,on average,... liters of urine per day. On an average,... of urea is excreted out per day.

Medium

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$A$: Birds have metanephric kidneys and no urinary bladder.
$R$: South American Ostrich has a urinary bladder.

Medium

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Which one of the following body functions is not performed by kidneys?

Medium

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Column $I$ (Function)	Column $II$ (Part of Excretory System)
$(a)$ Ultrafiltration	$(i)$ Henle's loop
$(b)$ Concentration of urine	$(ii)$ Ureter
$(c)$ Transport of urine	$(iii)$ Urinary bladder
$(d)$ Storage of urine	$(iv)$ Malpighian corpuscle
	$(v)$ Proximal convoluted tubule

Find the incorrect option regarding the mechanism of urine formation in humans.

Similar Questions

The given figure shows the human excretory system with parts labeled $A$ to $D$. Select the option that correctly identifies these parts and describes their characteristics or functions.

An adult human excretes,on average,... liters of urine per day. On an average,... of urea is excreted out per day.

$A$: Birds have metanephric kidneys and no urinary bladder.$R$: South American Ostrich has a urinary bladder.

Which one of the following body functions is not performed by kidneys?

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$A$: Birds have metanephric kidneys and no urinary bladder.
$R$: South American Ostrich has a urinary bladder.