Q28 / 160 · JIPMER 2005 · Botany

In monocot roots which types of vascular bundles are found?

  • A
    Collateral, conjoint and closed
  • Correct answer
    B
    Radial with exarch xylem
  • C
    Bicollateral, conjoint and closed
  • D
    Radial with endarch xylem

Solution

When xylem and phloem groups are located on different radii, the bundles are said to be radial e.g. root. The protoxylem element lie at the periphery and metaxylem in the centre, this condition is called exarch e.g. root.

Hence, the correct answer is option: 'B'.

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