Amphivasal or leptocentric vascular bundles are found in
Cycas and Dryopteris
Dracaena and Yucca
Helianthus and Cucurbita
Maize and wheat
Which of the following is not a characteristic feature of the anatomy of dicotyledonous root
Vascular bundle, in which two patches of phloem are present on both sides of xylem is
$DNA$ content of quiescent zone is
$T.S.$ of stem of Cucurbita can be identified from the $T.S.$ of sunflower stem by the presence of