Phyllotaxy in which leaves are arranged in pairs at each node is called:

Which of the following is a stem modification for food storage?

Vascular bundles in monocot stems are:

Casparian strips are found in the _____ of the root.

Which tissue is responsible for secondary growth in dicot stems?

Identify the type of placentation in Dianthus:

Bulliform cells are present in:

Heartwood differs from sapwood in:

Collenchyma differs from sclerenchyma in having:

Conjoint, collateral, open vascular bundles with endarch xylem are characteristic of: