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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Starch sheath layer in plant stem is also known as

  1. Epidermis
  2. Metadermis
  3. Endodermis
  4. Pith layer
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In TS of dicot stem ________ is present on the inner side of the endodermis and above the phloem in the form of semilunar patches of sclerenchyma.

  1. Pericycle
  2. Casparian strip
  3. Pith
  4. Protoxylem
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___________ arrangement of vascular bundle is a characteristic of dicot stem.

  1. Ring
  2. Radial
  3. Centric
  4. Peripheral
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A large number of rounded, parenchymatous cells with large intracellular spaces which occupy the central position of stem constitute the __________.

  1. Lumen
  2. Pith
  3. Cortex
  4. Vascular bundle
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Phloem parenchyma is absent in

  1. Dicot stem
  2. Monocot stem
  3. Vascular bundle
  4. Both A and B
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