Descending limb of Henle's loop is permeable to water due the presence of ...

What is Henle’s loop?

Assertion: In the descending limb of loop of Henle the urine is hypotonic, while in ascending limb of loop of Henle, the urine is hypertonic. Reason: Descending limb is impermeable to water while ascending limb is impermeable to Na^(+)

Consider the following statement each with one or two blanks. (i). The ascending limb of loop of Henle is impermeable to (1).____but allows transport of (2)._____ (ii). (3)._____and (4)._____play a significant role is producing a concentrated urine. (iii). A fall in glomerular blood flow/glomerular blood pressure/GFR can activate the JG cells to release (5)._____ Which one of the following options correctly fills the blanks in any two of the statements?

Henle’s loop plays an important role in concentrating the urine.

Which of the following statements are correct? (i). Glucose has high threshold value. (ii). Urine is concentrated in Henle's loop (iii). Haemodialyser removes urea, uric acid, glucose and plasma proteins (iv). In glomerulus, urea, uric acid, water, glucose and plasma proteins are filtered out.

A bullet moving at 250 m/s penetrates 5 cm into at tree limb before comign to rest. Assuming that the force exerted by the tree limbis uniform, find its magnitude. Mass of the bulet is 10 g.

Which of the following statements is incorrect about the frog ? (i) Eyes are bulged out and covered by a nictitating membrane that protects them while in water (ii) On either side of the eyes a membranous tympanum (ear) receives sound signals (iii) The hind limbs end in four digits and they are largerr and muscular then force limbs that end in five digits (iv) Frogs exhibit sexual dimorphism.

If Henle’s Loop were absent from mammalian nephron, which one of the following is to be expected?