1. Tardigrade
  2. Question
  3. Biology
  4. Assertion: The constantly dividing cells both at the root apex and the shoot apex, show the mersitematic phase of growth. Reason: The cells of this region are rich in protoplasm and are without nuclei.

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Q. Assertion : The constantly dividing cells both at the root apex and the shoot apex, show the mersitematic phase of growth.
Reason : The cells of this region are rich in protoplasm and are without nuclei.

Plant Growth and Development

Solution:

The root apex, shoot apex and many other regions have meristematic tissue. New cells are produced by mitotic divisions of the meristematic cells. These cells have cellulosic cells walls, large nucleus and rich in protoplasm. It is called the phase of cell formation or cell division.