First slide
Secondary Growth
Question

Bark includes:
(a) All tissues external to vascular cambium.
(b) The periderm and secondary phloem.
(c) Only living cells.

Easy
Solution

Bark includes all tissues external to the vascular cambium ring.

Bark includes the periderm ( phellem+ phellogen + phelloderm) and the secondary phloem.

Bark includes both living as well as dead cells.

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