Choose the incorrect statements with respect to secondary growth of dicots.

A. Vascular cambium forms more secondary xylem than secondary phloem

B. Cork cambium forms more secondary cortex towards the centre than cork towards periphery

C. Pericycle of root gives rise only vascular cambium at the time of secondary growth

D. Conjunctive tissue of dicot root forms much of the vascular cambium

• A

  A and B

• B

  B and C

• C

  C and D

• D

  A and D