Excretory Produ...

Active transport is

In 24 hours, total glomerular filtrate formed in human kidney is

If the diameter of the afferent renal arteriole is decreased and that of efferent renal arteriole is increased , the ultrafiltration will

A terrestrial animal must be able to

Removal of amino group of amino acid to transform it into keto acid is called

Which substance is finally excreted in the urine?

Select the correct statement.

Which of the following statement is/are true?
1.Urine is hypertonic in distal convoluted tubule.
2.When the urine passes into collecting tubule, it becomes hypotonic. 
3.Urine is isotonic in proximal convoluted tubule.
4.Urine becomes more and more hypotonic as it passes through Henle's loop.

The urine of man under normal conditions do not contain glucose because

Assertion  :  Aquatic mammals like whales and seals are  said to be ureotelic animals 
Reason  :    It is because of the fact that nitrogenous waste product is urea