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Which tissue absorbs water and minerals at root tips?
APith filling the central root region
BSclerenchyma giving strength to roots
CPhloem carrying food downwards
DEpidermis with root hair extensions
Answer & Solution
Correct answer: D. Epidermis with root hair extensions
1. The outer layer of a root is its epidermis.
2. Near the tip the epidermis bears thin root hairs.
3. Root hairs enlarge the absorbing surface.
4. So absorption is through the root-hair-bearing epidermis.
_Source: Selina Concise Biology Class 9, Ch 3 Tissues, Plant and Animal Tissues (Mistral OCR'd PDF), section on epidermis_
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