The maximum reabsorption of glomerular filtrate occurs in $:-$

Which of the following statements is correct regarding excretion by the human kidney?

During urine formation,which of the following processes creates high osmotic pressure in the uriniferous tubule?

Given below are two statements:
Statement $I$: In the nephron,the descending limb of the loop of Henle is impermeable to water and permeable to electrolytes.
Statement $II$: The proximal convoluted tubule is lined by simple columnar brush border epithelium and increases the surface area for reabsorption.
In the light of the above statements,choose the correct answer from the options given below:

What is the primary role of cortical nephrons?

Cuboidal epithelium with a brush border is a characteristic of which of the following?