Question

The tissue that nourishes the developing pollen grain is:

• A. Tapetum
• B. Endothecium
• C. Middle layer
• D. Endothelium

Answer 1

The correct option is A Tapetum

• The part of the anther where microspores or pollen grains are produced is called the microsporangium or pollen sac.
• The pollen sac wall has $4$ layers - epidermis, endothecium, middle layers and tapetum.

• Tapetum is the innermost layer which is made up of multinucleated cells with dense cytoplasm and reserve food material.
• It is surrounded by three other wall layers which are epidermis, endothecium , and middle layers.
• It provides nourishment to the developing microspores or pollen grains.