Which of the following statements is not true?

In which of the following regions of a nephron does maximum reabsorption of useful substances take place?

The brush border is a characteristic of which of the following?

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:

Where does the selective reabsorption of glomerular filtrate take place?

Brush-bordered epithelium (microvilli-bearing) is found in: