question_answer 22)

  In which of the following pairs of parts of a flowering plant is epidermis absent? (a) Root tip and shoot tip                                              (b) Shoot bud and floral bud (c) Ovule and seed                                                          (d) Petiole and pedicel

Answer:

                  (a) Root and shoot tip of an actively growing plant has high meristematic activity The cellsin this region are highly active and keep dividing. So, the cells do not get differentiatedto epidermal tissue, so epidermis is absent in root and shoot tips.