Water containing cavities in vascular bundles are found in

Options

A. Sunflower
B. Maize
C. Cycas
D. Pinus

Answer

B

Explanation

In monocot stem like zea mays, vascular bundles are conjoint, collateral and closed. In vascular bundles the lowermost proto-xylem vessels and xylem parenchyma cells dissolve forming a water containing cavity called proto-xylem cavity or lacuna or Lysigenous cavity.