$I.$ Protection of internal tissues
$II.$ Protection of leaves from microbes
$III.$ Gaseous exchange
$IV.$ Reduction in the rate of transpiration through epidermal cells due to trichomes
Which of the function of epidermis is/are relevant from the above given statements?
Only $II$
$I$ and $II$
$II$ and $III$
$I$, $II$, $III$ and $IV$
Lenticels are involved in
In the primary tissues of the stem, the cambium separating xylem and phloem is called
Which of the following statements about cork cambium is incorrect?
The pores present in the wall of plant's stem is called...
Cork cells are