The process of extraction of separated DNA strands from gel is called elution.

$(a)$ In roots, xylem and phloem in a vascular bundle are arranged in an alternate manner along the different radii.
$(b)$ Conjoint closed vascular bundles do not possess cambium
$(c)$ In open vascular bundles, cambium is present in between xylem and phloem
$(d)$ The vascular bundles of dicotyledonous stem possess endarch protoxylem
$(e)$ In monocotyledonous root, usually there are more than six xylem bundles present.

Choose the correct answer from the options given below:

• A

  $(b), (c), (d)$ and $(e)$ Only

• B

  $(a), (b), (c)$ and $(d)$ Only

• C

  $(a), (c), (d)$ and $(e)$ Only

• D

  $(a), (b)$ and $(d)$ Only