Histogens are components of,or the histogens are differentiated in:

The term 'meristem' was coined by:

Vascular bundles are derived from (originate from):

Which of the following is not a lateral meristem?

Intercalary meristem results in

According to the $Apical$ $Cell$ $Theory$, the shoot apex contains a single apical cell with three cutting faces. This theory applies to some higher algae, bryophytes, and pteridophytes, but not to gymnosperms and angiosperms. Who proposed this theory?