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  • Root hairs arise from Option: 1  Piliferous region Option: 2  Region of

Root hairs arise from 

Option: 1

 Piliferous region 


Option: 2

 Region of maturation 


Option: 3

 Both a and b 


Option: 4

 None of these 


Answers (1)

 

 

The four main regions of the roots are as follows:

1. Root cap: It is a thimble-like structure that protects the apex of the root from injuries as the root grows through the soil. It is also called the calyptra.

2. Region of meristematic activity: This region lies a few millimeters above the root cap. The cells of this region are thin-walled and have a dense protoplasm. They divide actively and add new cells.

3. Region of elongation: The cells of this region undergo elongation and enlargement. So, this region is responsible for the growth of the root. 

4. Region of maturation: This region is made up of the cells that have differentiated and matured. From this region, some of the epidermal cells form very fine and delicate thread-like structures called the root hairs. Because of this, this region is also called the piliferous region. 

                            Regions of the Root

 

Root hairs arise from the region of maturation, also called the piliferous region. 

Posted by

Sumit Saini

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