Which of following meristems is responsible for extrastelar secondary growth in dicotyledonous stem

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6.Anatomy of Flowering Plants

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Which of the following meristems is responsible for extrastelar secondary growth in dicotyledonous stem

A

Phellogen

B

Intrafascicular cambium

C

Interfascicular cambium

D

Intercalary meristem

(AIPMT-1998)

Solution

(a) The extrastelar regions grow simultaneously. The growth of extrastelar region is initiated by the formation of cork cambium or phellogen.

Standard 11

Biology

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