Assertion : Materials can not be exchanged between epithelial cells.
Reason : Blood vessels are absent in epithelial tissue.

Options

A. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C. If the assertion is true but the reason is false
D. If the assertion is false but reason is true

Answer

D

Explanation

The epithelial cells joined by gap junction allows the free movement of molecules between the plasma membrane of different cells Ex:- Plasmodesmata. In epithelial tissue connective tissue is present beneath the basement membrane and it is avascular without blood vessels.