Assertion : Auxin was isolates by F.W. went from the tips of coleoptiles of wheat seedlings.
Reason : Etylene delays the senescence.
A. If both assertion and reason are true and reason is the correct explanation 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
