Assertion: In dicot stem, endodermis is also called as starch sheath.
Reason: The cells of the endodermis are rich in stacrh gaiins.
A. If both assertion and reason are true and reason is the correct explanantion of assertion
B. if both assertion and reason are true but reason is not the correct explanation of assertion.
C. if assertion is true but reason is false.
D. if both assertion and reason are false.