Assertion: Stele of dicot stem has collateral, open, endarch vascular bundles.

Reason: Each vascular bundle of the stele has outer phloem and inner xylem with protoxylem towards the center are present in the same radius and cambium is present in between xylem and phloem.

• A

  Both assertion and reason are correct and reason correctly explains the assertion.

• B

  Both assertion and reason are correct and reason does not correctly explains the assertion.

• C

  Both assertion and reason are incorrect.

• D

  Assertion is correct and reason is incorrect.