Assertion a. True xerophytes store water in the form of mucilge which helps to withstand prolonged period of drought.
Reason r. Vasuclar and mechanical tissues are well developed in true xerophytes.
A. Both a and r are correct and r is correct explanation of a
B. Both a and r are correct but r is not correct explanation of a
C. a is true but r is false
D. a is false but r is true