Aerenchyma is helpful in plants by
Giving flexibility to plants
Giving mechanical strength to plants
Promoting photosynthesis
Providing buoyancy in hydrophytes
The function of a vessel is
The difference in phloem of gymnosperms and angiosperms is due to
The tissue which is living but does not possess nucleus in mature stage is
Sclereids are commonly found in
The central lumens are obliterated in