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NEET2012BotanyAnatomy of Flowering PlantsActual

As compared to a dicot root, a monocot root has

Options

  1. Amore abundant secondary xylem
  2. Bmany xylem bundles
  3. Cinconspicuous annual rings
  4. Drelatively thicker periderm

Correct answer

B. many xylem bundles

Step-by-step solution

The vasculature is radial in dicot root i.e., xylem bundles alternate with phloem bundles. Usually vascular bundles are 2-6 in number while in monocot root the vascular strand consists of several ( 8 or more) alternate radial xylem and phloem bundles. Secondary growth takes place in dicot root while absent in monocot roots and annual rings do not form.

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