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The endarch protoxylem position is seen in

AThe stems of dicot flowering plants
BThe roots of dicot flowering plants
CThe leaves of monocot grass species
DThe thalli of brown marine algae
Answer & Solution
Correct answer: A. The stems of dicot flowering plants
ENDARCH = protoxylem toward the centre, metaxylem outward; seen in STEMS. EXARCH = protoxylem peripheral; seen in ROOTS. Dicot stems are endarch with bundles in a ring dicot roots are exarch with radial bundles.
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