Find out the incorrect statement:

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(B) $1$. In humans,approximately $25-30 \, gm$ of urea is excreted per day,so statement $A$ is correct.
$2$. The renal cortex extends in between the

Vedclass · Accepted Answer

Columns of Bertini are the extensions of medulla into the cortex.

Vedclass · Answer

(B) $1$. In humans,approximately $25-30 \, gm$ of urea is excreted per day,so statement $A$ is correct.
$2$. The renal cortex extends in between the renal pyramids as renal columns called Columns of Bertini. Therefore,the statement that they are extensions of medulla into the cortex is incorrect; they are extensions of the cortex into the medulla.
$3$. The Proximal Convoluted Tubule $(PCT)$ is the major site of reabsorption,where $70-80 \%$ of electrolytes and water are reabsorbed,so statement $C$ is correct.
$4$. The Glomerular Filtration Rate $(GFR)$ in a healthy individual is approximately $125 \, mL/min$,which amounts to $180 \, L$ per day,so statement $D$ is correct.
Thus,statement $B$ is the incorrect statement.

Column-$I$	Column-$II$
$P$. Structures in renal cortex	$I$. Descending limb of Henle
$Q$. Structures in renal medulla	$II$. Proximal convoluted tubule $(PCT)$
	$III$. Distal convoluted tubule $(DCT)$
	$IV$. Ascending limb of Henle
	$V$. Collecting duct
	$VI$. Duct of Bellini
	$VII$. Afferent arteriole
	$VIII$. Efferent arteriole

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