When xylem and phloem are situated at the same radius of vascular bundle, then they are called _________ type of vascular bundle and are found in _________.

  1. Radial, roots
  2. Radial, stem and leaves
  3. Conjoint, root
  4. Conjoint, stems and leaves
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Phloem located only on the outer side of xylem is a characteristic feature of ________ vascular bundles.

  1. Conjoint
  2. Radial
  3. Diagonal
  4. Spherical
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In TS of Dicotyledonous root the innermost layer of the cortex is called _________.

  1. Pericycle
  2. Metaxylem
  3. Endodermis
  4. Pith
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The walls of the endodermal cells have deposition of water impermeable, waxy material suberin in the form of __________.

  1. Protoxylem
  2. Metaxylem
  3. Casparian strip
  4. Cork cambium
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In TS of dicotyledonous root next to endodermis lies a few layers of thick walled parenchymatous cells referred to as _________.

  1. Pericycle
  2. Metacycle
  3. Procycle
  4. Pith
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Initiation of lateral roots and vascular cambium during secondary growth take place in ___________.

  1. Pith
  2. Epidermis
  3. Protoxylem
  4. Pericycle
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In TS of Dicotyledonous root the parenchymatous cells which lies between the xylem and phloem are called _________.

  1. Connective tissue
  2. Conjuctive tissue
  3. Cortex
  4. Cambium
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In TS of dicot root all tissue on the inner side of the endodermis such as Pericycle, vascular bundles and pith constitute the ________.

  1. Medulla
  2. Metaxylem
  3. Pith
  4. Stele
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Monocotyledonous root do not undergo any ________.

  1. Cell division
  2. Secondary growth
  3. Differentiation
  4. Tertiary growth
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In TS of dicotyledonous stem the cells arranged in multiple layers between epidermis and Pericycle constitute the ___________.

  1. Cortex
  2. Pith
  3. Pericycle apparatus
  4. Medullary rays
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