Question

Given below are two statements:
Statement (I): In fish, prolactin increases glomerular filtration rate in the kidney
Statement (II): In fish, prolactin functions predominately in freshwater osmoregulation
In light of the above statements, choose the most appropriate answer from the options given below.

• A. Both Statement (I) and Statement (II) are true.
• B. Both Statement (I) and Statement (II) are false.
• C. Statement (I) is true but Statement (II) is false.
• D. Statement (I) is false but Statement (II) is true.

Hint:

Prolactin acts as a barrier hormone in freshwater fish, reducing permeability to water and promoting active ion retention, but does not increase GFR.

Answer 1

The Correct Option is D