NEET Botany Dicot & Monocot Anatomy Assertion Reason Question
Assertion (A): Monocot stems do not exhibit secondary growth.
Reason (R): The vascular bundles in monocot stems are arranged in a scattered manner without cambium.
Both A and R are true, and R is the correct explanation of A.
Both A and R are true, but R is not the correct explanation of A.
A is true, but R is false.
A is false.
Correct Answer
Detailed Explanation
Monocot stems have scattered vascular bundles which are closed (lack cambium), hence they do not undergo secondary growth. This arrangement prevents the formation of a vascular cambium necessary for secondary growth.
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