Class XI

In dicot stems, the cells of cambium present between primary xylem and primary phloem is
  1. Interfascicular cambium
  2. Intrafascicular cambium
  3. Vascular cambium
  4. Medullary cells
Aerating pores in the bark of plants is known as
  1. None of these
  2. Air pore
  3. Stomata
  4. Lenticels
Stem of grasses and related plants elongate by the activity of
  1. Apical meristem
  2. Both lateral and apical meristem
  3. Lateral meristem
  4. Both apical and intercalary meristem
Lacunate collenchyma occurs in stem of
  1. Leucas
  2. Cucurbita
  3. Sunflower
  4. Sambucus
Which epidermis of leaf contains more stomata?
  1. Adaxial
  2. Both adaxial and abaxial contain same
  3. Abaxial
  4. Lateral
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