Regeneration of damaged growing grass following grazing is largely due to

The cells in this region are rich in protoplasm and possess large,conspicuous nuclei.

The pith is formed by . . . . . . .

The term 'meristem' was coined by:

The length of different internodes in the stem of sugarcane is variable because of:

Which of the following are characteristics of cells in the meristematic region?
$I-$ Cells divide continuously.
$II-$ Cells are rich in protoplasm.
$III-$ Cells possess a large,conspicuous nucleus.
$IV-$ All cells of meristematic tissue are differentiated.
$V-$ Cell walls are primary,thin,and cellulosic with abundant plasmodesmata.