AIPMT MAINS2009Botany-Plant Anatomy
AIPMT MAINS 2009 Botany Root and Stem MCQ Question
Type: MCQ-conceptual-Medium-Class 11
Anatomically fairly old dicotyledonous root is distinguished from the dicotyledonous stem by
A
Absence of secondary phloem
B
Presence of cortex
C
Position of protoxylem
D
Absence of secondary xylem
Correct Answer
Option C
Detailed Explanation
In dicotyledonous roots, the protoxylem is located towards the periphery, whereas in stems, it is towards the center.
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