NEET Botany Tissue Systems Assertion Reason Question
Assertion (A): In dicotyledonous stems, vascular bundles are open because they possess a cambium. | Reason (R): The presence of cambium in vascular bundles allows for the formation of secondary xylem and phloem tissues.
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
In dicotyledonous stems, the presence of cambium between phloem and xylem enables the formation of secondary tissues, making the bundles open as described in the NCERT context.
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