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The four regions of a root tip, in order from APEX upward, are:
AMeristematic → root cap → elongation → maturation
BRegion of maturation → elongation → meristematic → root cap
CRoot cap → region of meristematic activity → region of elongation → region of maturation (where root hairs form)
DRoot cap → maturation → meristematic → elongation
Answer & Solution
Correct answer: C. Root cap → region of meristematic activity → region of elongation → region of maturation (where root hairs form)
From apex: ROOT CAP (protects tender apex) → meristematic region (small thin-walled cells dividing rapidly) → elongation region (cells enlarge) → maturation region (cells differentiate; root hairs emerge). Root hairs form in the maturation region.
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