During secondary growth in dicot root some part of vascular cambium originates from the tissue
located _______ the phloem and a portion of pericycle tissue ______ the protoxylem.
(1) Above, below
(2) Below, above
(3) Below, below
(4) Above, above
1
Expert's answer
2014-04-24T07:27:16-0400
During secondary growth in dicot root, the vascular cambium is completely secondary. It originates from the tissue located just below the phloem, and a portion of pericycle tissue above the protoxylem, forming a complete ring. Thus, the correct answer is (2) below, above
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