Assertion: Potato has stem tubers
Reason: It has vertically growing underground modified stems with swollen apices
Assertion and Reason are correct and Reason explains the assertion.
Assertion and Reason are correct and Reason does not explain the assertion.
Assertion is correct. Reason is incorrect.
Both assertion and reason are wrong
Potato has stem tubers as its underground modified stems which are obliquely growing underground branches with swollen apices.