The blood pressure in the glomerular capillaries causes filtration of blood through:

Which of the following statements are $INCORRECT$?
$i$. Glomerular capillaries are extremely thin-walled.
$ii$. Diameter of afferent arteriole is greater than that of efferent arteriole.
$iii$. Glomerular filtrate is deproteinised plasma and is acidic in nature.
$iv$. $PCT$ cells reabsorb low threshold substances like sulphates,nitrates actively against concentration gradient.
Select the correct option from given.

At which stage of the $Ornithine$ cycle is the enzyme $Arginase$ used?

The liquid which is collected in the cavity of Bowman's capsule is

What are the main processes of urine formation?

Filtration fraction is the ratio of