1. Given below are two statements:
Statement I : In the nephron , the descending limb of 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 :

(1).Statement I is true but Statement II is false .

(2). Statement I is false but Statement II is true .

(3). Both Statement I and Statement II are true .

(4). Both Statement I and Statement II are false .

2. Choose the correct statement given below regarding juxta medullary nephron.

(1).Loop of Henle of juxta medullary nephron runs deep into medulla.

(2). Juxta medullary nephrons outnumber the cortical nephrons.

(3). Juxta medullary nephrons are located in the columns of Bertini.

(4). Renal corpuscle of juxta medullary nephron lies in the outer portion of the renal medulla.

3. Which of the following diagrams is correct withregard to the proximal (P) and distal (D) tubule of the Nephron.

(1).

(2).

(3).

(4).