First slide

Secondary Growth

Question

Choose the primary permanent tissues of woody dicot involved in the formation of secondary meristems during secondary growth.
A. Medullary rays
B. Conjunctive tissue
C. Pericycle of stem
D. Pericycle of root

Moderate

A

A, B, C and D
B

A, B and D only
C

C and D only
D

B, C and D only

Solution

In a woody dicot, during secondary growth, medullary rays of stem that form interfascicular cambium, cortex of stem that forms cork cambium, pericycle of root which forms complete cork cambium and a part of vascular cambium and conjunctive tissue of root that forms bulk of vascular cambium are involved in secondary growth by forming the secondary lateral meristems.

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