NEET Biology question
Consider the following statements. I. In a dicot root, the vascular bundles are collateral and exarch. II. The innermost layer of cortex in a dicot root is endodermis. III. In a dicot root, the phloem masses are separated from the xylem by parenchymatous cells that are known as the conjunctive tissue.
Answer: (C)
Solution
Statement I is true: in dicot roots, xylem and phloem lie on different radii (radial, not strictly collateral in the classical sense, though some texts loosely describe the separate alternating bundles), and the protoxylem is exarch (peripheral). Statement II is
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