Secondary tissues such as secondary xylen develops from

Secondary phloem is derived from:

Secondary tissues in a dicot stem are produced by

Secondary sexual characters in males develop under the influence of

Cambium produces (a) secodary permanent tissue (b) secondary meristematic tissue (c) secondary apical meristem (d) all the above

Monocots do not show the secondary formation of tissues such as wood and cork. Why?

Secondary meristems are derived from

Secondary meristems are derived from