. Water containing cavities in vascular bundles are found in

Best Answer

Explanation:

Water containing cavities are formed by the disintegration of parenchyma and inner protoxylem vessels.

These cavities are known as lysigenous cavities.

They are only present in monocot plants.

Sunflower is a dicot plant, so it does not have lysigenous cavities.

Maize is a monocot plant, so it does not have lysigenous cavities.

Cycas has two cotyledons but it is not considered a dicot.It also does not have lysigenous cavities.

Pinus are also neither monocots nor dicots. 

Final answer:

The correct answer is maize, i.e option (B).