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Question

A root grows in length,which region of the root is responsible for this growth?


A
Root cap
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B
Region of meristematic activity
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C
Region of elongation
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D
Region of maturation
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Solution

The correct option is B Region of elongation
A)The root is covered at the apex by a thimble-like structure called the root cap that protects it from damage.
B)The cells are thin-walled and with dense protoplasm and divide rapidly forms region of meristematic activity.
C)The cells that divide undergo rapid elongation and are responsible for the growth of the root length is the region of elongation.
D)The cells of elongation gradually differentiate and mature is called the region of maturation.
So the correct option is ' Region of elongation'.

Biology

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