STD 11 - 16. Excretory product and their elimination BIOLOGY - STD 11 - 16. Excretory product and their elimination

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 option given below :

$A$. An excessive loss of body fluid from the body switches off osmoreceptors.

$B$. $ADH$ facilitates water reabsorption to prevent diuresis.

$C$. ANF causes vasodilation.

$D$. $ADH$ causes increase in blood pressure.

$E$. $A D H$ is responsible for decrease in $GFR$.

Choose the correct answer from the options given below:

Assertion $A$: Nephrons are of two types: Cortical and Juxta medullary, based on their relative position in cortex and medulla.

Reason $R$: Juxta medullary nephrons have short loop of Henle whereas, cortical nephrons have longer loop of Henle.

In the light of the above statements, choose the correct answer from the options given below:

Choose the correct answer from the options given below: