Aerenchyma is helpful in plants by
Providing buoyancy in hydrophytes
Absorption in stilt roots
Giving mechanical strength to plants
Giving flexibility to plants
The presence of cambium in the vascular bundles provides them the ability to
Which of the following is the function of heartwood?
Assertion: The two cotyledons in seed are embryonic leaves.
Reason: The embryo contains radicle and plumule