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0 votes
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in Biology by (54.0k points)

The cork cambium, cork and secondary cortex are collectively called

(a) phellogen

(b) Periderm

(c) phellem

(d) phelloderm

1 Answer

+1 vote
by (65.2k points)
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Best answer

Correct option (b) Periderm

Explanation

The penderm is a secondary protective structure and is made up of cork cambium (phellogen), cork (phellem) and secondary cortex (phelloderm).

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