First slide

Secondary Growth

Question

Choose the correct statement with respect to bark.

Moderate

A

Bark has only primary tissues.
B

Bark has only secondary tissues.
C

Bark has permanent and meristematic tissues.
D

No part of the bark is formed from vascular cambium.

Solution

Bark has permanent tissues like cork, secondary cortex and secondary phloem. It also has primary permanent tissues like cortex. It has secondary meristem known as Cork cambium or phellogen. It has primary tissues and secondary tissues but much of the bark has secondary tissues.

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