question_answer 53)

  Parenchyma cells are (a) relatively unspecified and thin walled              (b) thick walled and specialized (c) lignified                                                                          (d) None of the above

Answer:

  (a) Parenchyma cells from the bulk of the plant body. Its cells are living and they possess the power of division. The cells are rounded or is diametric, i.e., equally expanded on all sides. The cells are oval round, polygonal or elongated in shape with a thin cell wall. It encloses a dense cytoplasm, which contains small nucleus and surrounds large central vacoule.