Question

Inner wall of microsporangia is:

• A. Tepitame
• B. Epidermis
• C. Endothecium
• D. Middle layer

Hint:

To remember microsporangium layers easily, note that the epidermis is outermost, the tepitame forms the inner wall, and the endothecium helps in spore release.

Answer 1

The Correct Option is A

The microsporangium is a structure in seed plants where microspores develop into pollen grains. It typically has four distinct layers:

• Epidermis: The outermost protective layer.
• Tepitame: The inner wall of the microsporangium, which provides mechanical support and helps in the dehiscence process.
• Endothecium: A layer that aids in the opening of the microsporangium to release pollen.
• Middle layer: A thin layer that usually degenerates early.

Among these, the tepitame specifically forms the inner wall of the microsporangium. It plays a crucial role in protecting the developing microspores and assists in the structural integrity of the sporangium.