Aerating pores are present at places on the cork cambium. These are called

Grafting is not possible in monocots because they

The cambial ring is generally

The anatomy of springwood shows some peculiar features. Identify the correct set of statements about springwood.

$(a)$ It is also called as the earlywood

$(b)$ In spring season cambium produces xylem elements with narrow vessels

$(c)$ It is lighter in colour

$(d)$ The springwood along with autumnwood shows alternate concentric rings forming annual rings

$(e)$ It has lower density

Choose the correct answer from the options given below:

Mark the correct sequence of layers found in root anatomy.

$A$ : In monocot roots, pericycle gives rise to lateral roots and cork cambium.

$R$ : It has tetrach vascular bundles usually.