Tunica corpus theory was proposed by
Schmidt
Strasburger
Nageli
Hofmeister
(a) This theory was proposed by Schmidt ($1924$). This theory recognizes only two zones in the apical meristems.
What is the commercial source of cork ? How is it formed in the plant ?
Histogen theory states that epidermis is derived from the
Ring bark is present in
Sieve tubes are better suited for translocation, because
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