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Epidermal Tissues

nbsp;root hai...

Question

root hairs are present on epidermal cells of root . why ?

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Solution

Root hairs are formed by the specialized epidermal cells called trichoblast. These cells are special epidermal cells which form fine tubular outgrowths to increase the surface area of roots. So, they are present on the epidermal layer.

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Q. Epidermal cells of the roots contain root hair.

Q. Find the incorrect statements from the following.
A. Roots hairs are multicellular elongations of the epidermal cells.
B. Trichomes are unicellular epidermal hairs of the stem.
C. Guard cells are specialized cells regulating the opening and closing of stomata.
D. Cuticle, collenchyma and stomata are absent in roots.

Q. Select the correct statement:
I. From the region of elongation, some of the epidermal cells form root hairs
II. Pneumatophores are seen in Sonneratia
III. Adventitious roots are seen in banyan tree
IV. Maize and sugarcane have prop roots

Q. Select the correct statements.
(a) From the region of elongation, some of the epidermal cells form root hairs.
(b) Pneumatophores are seen in Sonneratia.
(c) Adventitious roots are seen in Banyan tree.
(d) Maize and Sugarcane have prop roots.

Select the correct statements.

I. From the region of elongation, some of the epidermal cells form root hairs.

II. Pneumatophores are seen in Rhizophora.

III. Adventitious roots are seen in the banyan tree.

IV. Maize and sugarcane have prop roots.

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