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NEETBotanyAnatomy of Flowering Plants

What is the function of the waxy material suberin found in the endodermal cells?

Options

  1. ATo provide structural support
  2. BTo protect against water loss
  3. CTo initiate lateral roots
  4. DTo act as a barrier for the uptake of minerals

Correct answer

D. To act as a barrier for the uptake of minerals

Step-by-step solution

The outermost layer is epiblema. Many of the cells of epiblema protrude in the form of unicellular root hairs. The cortex consists of several layers of thin-walled parenchyma cells with intercellular spaces. The innermost layer of the cortex is called endodermis. It comprises a single layer of barrel-shaped cells without any intercellular spaces. The tangential as well as radial walls of the endodermal cells have a deposition of water-impermeable, waxy material suberin in the form of casparian strips. Next to endod

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