STD 11 - 13. Plant growth and development — NEET STD 11 Science — Question

$(a)$ secretion of secondary metabolities and their deposition in the lumen of vessels.

$(b)$ deposition of organic compounds like tannins and resins in the central layers of stem.

$(c)$ deposition of suberin and aromatic substances in the outer layer of stem.

$(d)$ deposition of tannins, gum, resin and aromatic substances in the peripheral layers of stem.

$(e)$ presence of parenchyma cells, functionally active xylem elements and essential oils.

Choose the correct answer from the options given below:

Choose the correct option for $A, B$ and $C$

$R$ - Agrobacterium tumifaciens is a pathogens ofseveral dicot plants