Aerenchyma is formed in the tissue of
Sclerenchyma
Parenchyma
Phloem
None of the above
Thick-walled and lignified with simple pits in walls and non-prosenchymatous cells without living protoplasm usually isodiametric or irregular in shape are
A fibre derived from a tracheid is
Collenchyma is
Conductive function is performed by