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NEETBotanyAnatomy of Flowering Plants

Match List I with List II regarding the characteristics of vascular bundles. List I (Plant Organ) List II (Vascular Bundle Features) A. Dicotyledonous root I. Radial vascular bundles, usually two to four xylem patches B. Monocotyledonous root II. Radial vascular bundles, polyarch xylem C. Dicotyledonous stem III. Conjoint and open vascular bundles arranged in a ring D. Monocotyledonous stem IV. Conjoint and closed va

Options

  1. AA-II, B-I, C-IV, D-III
  2. BA-I, B-II, C-III, D-IV
  3. CA-III, B-IV, C-I, D-II
  4. DA-I, B-II, C-IV, D-III

Correct answer

B. A-I, B-II, C-III, D-IV

Step-by-step solution

In roots, vascular bundles are radial (xylem and phloem are arranged alternately on different radii). Dicotyledonous roots typically have two to four (diarch to tetrarch) xylem patches, whereas monocotyledonous roots have more than six (polyarch) xylem bundles. In stems, vascular bundles are conjoint (xylem and phloem are situated on the same radius). Dicotyledonous stems possess open vascular bundles (cambium is present) that are arranged in a characteristic ring. Monocotyledonous stems have closed vascular bundle

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