alleryRoot hairs are
AUnicellular extensions of epidermis
BMulticellular branched trichomes
CVascular bundles in cortex
DEndodermal projections inward
Answer & Solution
Correct answer: A. Unicellular extensions of epidermis
Root hairs are unicellular elongations of root epidermal cells that vastly increase the surface area for water and mineral absorption.
Trichomes on aerial parts are typically multicellular.
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