In an annual ring, the light coloured part is known as
Early wood
Late wood
Heartwood
Sapwood
In the primary tissues of the stem, the cambium separating xylem and phloem is called
The meristematic tissue responsible for the cutting of vascular tissue $(xylem \;and \;phloem)$ is called
Give explanation about cork cambium.
Definitions / Explanation :
$(i)$ Early wood
$(ii)$ Late wood