Assertion (A): All tissues exterior to vascular cambium together constitutes bark.
Reason(R): Bark includes all the tissues derived from cork cambium and part of the tissue derived from vascular cambium.

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Both A and R are correct and R does not explains A

A is false but R is correct

Both A and R are correct and R explains A

A is correct but R is false

answer is A.

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Detailed Solution

Assertion (A) is true - All tissues exterior to vascular cambium together constitute bark ( secondary phloem + pericycle+ periderm )

Reason ( R) is also true - Bark includes the tissues derived from cork cambium (phellum , phellogen and phelloderm which is also called as periderm ) and vascular cambium ( secondary phloem )

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