Vascular bundles in monocotyledons are considered closed because

Question

Vascular bundles in monocotyledons are considered closed because (A) xylem is surrounded all around by phloem (B) there are no vessels with perforations (C) a bundle sheath surrounds each bundle (D) there is no secondary growth

Tardigrade Admin · Accepted Answer

The vascular bundles containing cambium are said to be open but if no cambium develops, they are referred as closed.
Due to absence of cambium, the secondary growth is not found. In most monocotyledons, closed vascular bundles are found.

Q. Vascular bundles in monocotyledons are considered closed because

xylem is surrounded all around by phloem

there are no vessels with perforations

a bundle sheath surrounds each bundle

there is no secondary growth

The vascular bundles containing cambium are said to be open but if no cambium develops, they are referred as closed. Due to absence of cambium, the secondary growth is not found. In most monocotyledons, closed vascular bundles are found.

The vascular bundles containing cambium are said to be open but if no cambium develops, they are referred as closed.
Due to absence of cambium, the secondary growth is not found. In most monocotyledons, closed vascular bundles are found.