Vascular bundle is closed, when
Cambium present
Cambium absent
Pericycle absent
None of these
(b) When cambium is absent between xylem and phloem, it is said to be closed type.
Conjoint, collateral and closed vascular bundle is found in
Describe internal structure of monocot (Maize) stem.
Phloem parenchyma is absent in
Cortex consists of three sub-zones in dicot stem, they are
$I.$ hypodermis $II.$ cortical layer
$III.$ pericycle $IV.$ endodermis $V.$ epidermis
Cut a transverse section of young stem of a plant from your school garden and observe it under the microscope. How would you ascertain whether it is a monocot stem or dicot stem? Give reasons.
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